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首頁 / 產品 / 產品規格
 
 
dotHigh Power White LED Driver dotLow Dropout Voltage Regulators
dotPWM Switching Regulator / Step Down Version dotUltra Low Dropout Voltage Regulators
dotPWM Switching Regulator / Step Up Version  
dotUltra Low Noise CMOS LDOs  
 
  High Power White LED Driver
 

Part No.

Step Up /Down

Min. Vin (v)

Max. Vin(v)

Iout Typ.
(mA)

Package

Down
5.0
40

1500

SOP-8
Down

5.0

40

1500

SOP-8

--

3.0
40

-

SOT-23-5
 
   
  GL7115
  Description:
 

GL7115  is a PWM Power LED Driver IC.The driving current from a few mA up to 1.5A. It allows high brightness power LED operating at high efficiency from 5Vdc to 40Vdc. Up to 50KHz external controlled operation frequency. Fixed Rsn value and used external Resistance controlled the maximum output current to single LED or a LED string. The output current noise is very low. It have OVP function.

 
Features:

- Constant current  output versions max.:1.5A

- Input voltage range up to 40V

- High efficiency

- Thermal shutdown, current limit protection

- User standard inductors

- 50 KHz fixed frequency internal oscillator

- Constant current level adjust by liner

- Support Constant current and Voltage

- Low Iout noise

- SOP-8 package

 
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  GL7415
  Description:
 

GL7415  is a PWM Power LED Driver IC.The driving current from a few mA up to 1.5A. It allows high brightness power LED operating at high efficiency from 5Vdc to 40Vdc. Up to 300KHz external controlled operation frequency. Fixed Rsn value and used external Resistance controlled the maximum output current to single LED or a LED string. Th e output current noise is very low. It have OVP function.

 
Features:

- Constant current  output versions max.:1.5A

- Input voltage range up to 40V

- High efficiency

- Thermal shutdown, current limit protection

- User standard inductors

- 300 KHz fixed frequency internal oscillator

- Constant current level adjust by liner

- Support Constant current and Voltage

- Low Iout noise

- SOP-8 package

 
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  GL7001
  Description:
 

The GL7001 is Power LED Driver tool. It can let normal PWM IC transfer to LED Driver, and adjust constant current level more easy. It can let your constant current tolerance reduce less than 1%. And it can be fixed the Rsen at 0.1 ohm. When you want adjust current leave, you just change a “X”K ohm resistance. GL7001 have patent to approve by China & Taiwan & J apan & America.

 
Features:

- Vin Maxim can be load to 40V

- Sensor current min. 200nA

- Sensor Voltage min. 10mV

- Output Current min. 2mA

- SOT-25 packages

 
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  PWM Switching Regulator / Step Down Version :
 

Part No.

Max. VIN(V)

Iout(A)

Vref(V)

Switch Config.

Switching Frequency (KHz)

Vout Tolerance

Package

40
1.5
1.23
Internal
52
4%
SOP-8F
40
2
1.23
Internal
52
2%
SOP-8F
40
3
1.23
Internal
52
2%
TO-263-5, SOP-8FD, TO-263-5P
40
2
1.23
Internal
150
4%
SOP-8F
40
3
1.23
Internal
150
4%
TO-263-5, SOP-8FD, TO-263-5P
40
2
1.23
Internal
52
2%
LLP-8
 
   
  GL2574A
  Description:
  GL2574A of regulators provides all the active functions for a step-down (buck) switching regulator and drives A load with excellent line and load regulation GL2574A is available in fixed output voltages of 3.3V,5V,12V,15V and a versatile Adjustable output version. These regulators are simple to use and require a minimum number of external components. Features include internal frequency compensation and a fixes frequency oscillator. The GL2574A is high-efficiency replacements for popular three terminal linear regulators, and is requiring a smaller heatsink or even no heatsink. GL2574A performs well with standard inductors from several manufacturers, and simplifying the design of switch-mode power supplies. GL2574A guarantees ±2% tolerance on output voltage within specified input voltages and output load conditions and ±10% on the oscillator frequency External shutdown is included with 50μA (typical) standby current. The output switch has cycle-by-cycle current limiting as well as thermal shutdown for full protection under fault condition.
 
Features:
- 3.3V, 5V, 12V, 15V, Adjustable output versions
- Adjustable output version output voltage range 1.23V to 37V ± 2% max over line and load conditions.
- 1.5A output current
- Input voltage range up to 40V
- Requires only 4 external components
- High efficiency
- TTL shutdown capability low power standby mode
- Uses standard inductors
- 52 kHz fixed frequency internal oscillator
 
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  GL2575
  Description:
  GL2575 of regulators provides all the active functions for a step down (buck) switching regulator, and drives 2A load with excellent line and load regulation GL2575 is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and a versatile Adjustable output version. These regulators are simple to use and require a minimum number of external components. Features include internal frequency compensation and a fixes frequency oscillator.The GL2575 is high-efficiency replacements for popular three-terminal linear regulators, and is requiring
a smaller heatsink or even no heatsink. GL2575 performs well with standard inductors from several manufacturers and simplifying the design of switch mode power supplies. GL2575 guarantees ±2% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included with 50 A typical standby current. The output switch has cycle-by-cycle current limiting as well as thermal shutdown for full protection under fault conditions.
 
Features:
- 3.3V, 5V, 12V, 15V, Adjustable output versions
- Adjustable output version output voltage range 1.23V to 37V ± 2% max over line and load conditions.
- 2A output current
- Input voltage range up to 40V
- Requires only 4 external components
- High efficiency
- TTL shutdown capability low power standby mode
- Thermal shutdown current limit protection
- Uses standard inductors
- 52 kHz fixed frequency internal oscillator
 
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  GL2576
  Description:
  Gl2576 of regulators provides all the active functions for
a step-own (buck) switching regulator, and drives 3A load with excellent line and load regulation, GL2576 is available in fixed output voltages of 3.3V, 5V, 12V,15V, and a versatile Adjustable output version. These regulators are simple to use and require a minimum
number of external components. Features include internal frequency compensation and a fixes-frequency oscillator. The GL2576 is high-efficiency replacements for popular three-terminal linear regulators, and is requiring a smaller heat-sink or even no heat-sink. GL2576 performs well with standard inductors from several manufacturers, and simplifying the design of switch mode power supplies. GL2576 guarantees ±2% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included with 50μA (typical) standby current. The output switch has cycle-by-cycle current limiting as well as thermal shutdown for full protection under fault conditions.
 
Features:
- 3.3V, 5V, 12V, 15V, Adjustable output versions
- Adjustable output version output voltage range 1.23V to 37V ± 2% max over line and load conditions.
- 3A output current
- Input voltage range up to 40V
- Requires only 4 external components
- High efficiency
- TTL shutdown capability low power standby mode
- Thermal shutdown, current limit protection
- Uses standard inductors
- 52 kHz fixed frequency internal oscillator
 
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  GL2595
  Description:
  GL2595 of regulators provides all the active functions for a step-down (buck) switching regulator, and drives 2A load with excellent line and load regulation. GL2595's is available in fixed output voltages of 3.3V, 5V, 12V, and a Adjustable output version. These regulators are simple to use and require a minimum number of external components. Features include internal frequency compensation and a fixed-frequency oscillator. The GL2595 is high-efficiency replacements for popular three-terminal linear regulators, and is requiring a smaller heatsink or even no heatsink. GL2595 performs well with standard inductors from several manufacturers and simplifying the design of switch mode power supplies GL259 guarantees ±2% tolerance on output voltage within specified input voltages and output
load conditions, and 15% on the oscillator frequency. External shutdown is included with 100uA (typical) standby current. The output switch has cycle-by-cycle current limiting as well as thermal shutdown for full protection under fault conditions. GL2595 operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard SOP-8F surface mount package.
 
Features:
- 3.3V, 5V, 12V, 15V, Adjustable output versions
- Adjustable output version output voltage range 1.23V to 37V ± 2% max over line and load conditions.
- 2A output current
- Input voltage range up to 40V
- Requires only 4 external components
- High efficiency
- TTL shutdown capability
- Thermal shutdown, current limit protection
- Uses standard inductors
- 150 kHz fixed frequency internal oscillator
 
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  GL2596
  Description:
  GL2596 of regulators provides all the active functions for a step-down (buck) switching regulator, and drives 3A load with excellent line and load regulation. GL2596's is available in fixed output voltages of 3.3V, 5V, 12V, and a versatile Adjustable output version. These regulators are simple to use and require a minimum number of external components. Features include internal frequency compensation and a fixed-frequency oscillator. The GL2596 is high-efficiency replacements for popular three-terminal linear regulators, and is requiring a smaller heatsink or even no heatsink.GL2596 performs well with standard inductors from several manufacturers and simplifying the design of switch-mode power supplies GL2596 guarantees ±2% tolerance onoutput voltage within specified input voltages and output load conditions, and 15% on the oscillator frequency.External shutdown is included with 100uA (typical) standby current. The output switch has cycle by cycle current limiting as well as thermal shutdown for full protection under fault conditions. GL2596 operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a 5-lead TO-263 surface mount package and DFN-8 package.
 
Features:
- 3.3V, 5V, 12V and Adjustable output versions
- Adjustable version output voltage range 1.23V to 37V ± 2 max over line and load conditions
- 3A output current
- Input voltage range up to 40V
- Requires only 4 external components
- High efficiency
- TTL shutdown capability
- Low power standby mode, IQ typically 100 μA
- Thermal shutdown, current limit protection
- Uses standard inductors
- 150 kHz fixed frequency internal oscillator
 
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  GL2775
  Description:
 

Many chargers use the well-known device 2575 in conjunction with operational amplifiers. This allows introducing an additional adjustment for the Over-Current Protection (OCP) and Over Voltage Protection (OVP).  In this case the OCP and OVP value can be changed with help external resistors. And it can be fixed old version have OCP latch problem.

GL2775 includes both devices – the 2575 and two Ops, thereby reducing the size and cost for charger applications.

The GL2775 provides all the active functions for a step-down (buck) switching regulator and is capable of driving 2A load with excellent line and load regulation. It includes an internal frequency compensation components and a fixed-frequency oscillator. Among other features are a guaranteed ±2% tolerance on an output voltage within the specified input voltages and output load conditions, and & plusmn;10% on the oscillator frequency. External shutdown is included, featuring 120 μA (typical) standby current.

The GL2775 has OVP function. If Voltage of pin OVP overshoots 1.25V, OVP is happened and the circuit is OFF with Istb~120uA (typical). When the voltage is fall down less 0.7V, the circuit is ON.

The output switch includes cycle-by-cycle current limiting and thermal shutdown elements for a full protection under fault conditions.

The high gain, internally frequency-compensated operational amplifiers were designed specifically to operate from a single power supply over a wide range of voltages.

These devices is an adjustable output version.

 
Features:  

- Just adjustable output versions

- Adjustable output version output voltage range 1.23V

- to 37V ±2% max over line and load conditions

- 2A output current

- Input voltage range up to 40V

- Include adjustable OCP and OVP function

- TTL shutdown capability, low power standby mode

- Thermal shutdown, current limit protection

- Uses standard inductors

- 50 kHz fixed frequency internal oscillator

- Low input offset voltage and offset current of OpAmp

- Internal frequency compensation of OpAmp

 
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  PWM Switching Regulator / Step Up Version :
 

Part No.

MIN. VIN
(V)

IOUT
(A)
Vref
(V)

Switch Config.

Switching Frequency(kHz)

VOUT Tolerance

Optput Voltage Range

Package

2.7
1.5
1.276
Internal
280
2%
3.0 ~ 30
SOP-8
 
  GL5171
  Description:
  GL5171 products are 280 kHz switching regulators with a high efficiency, 1.5 A integrated switch. These parts operate over a wide input voltage range, from 2.7 V to 30 V. The flexibility of the design allows the chips to operate in most power supply configurations, including boost, flyback, forward, inverting, and SEPIC. The ICs utilize current mode architecture, which allows excellent load and line regulation, as well as a practical means for limiting current. Combining high frequency operation with a highly integrated regulator circuit results in an extremely compact power supply solution. The circuit design includes provisions for features such as frequency synchronization, shutdown, and feedback controls for either positive or negative voltage regulation.
 
Features:  
- Integrated Power Switch: 1.5 A Guaranteed  
- Input Voltage Range: 2.7V to 30V  
- High Frequency Allows for Small Components  
- Minimum External Components  
- Easy External Synchronization  
- Built in Over Current Protection  
- Frequency Foldback Reduces Component Stress During an Over Current Condition  
- Thermal Shutdown with Hysteresis  
- Regulates Either Positive or Negative Output Voltages  
- Shut Down Current: 50uA Maximum  
   
 
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Adjustable Shut Regulator
 
GL431A
Description
The GL431 is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. Output voltage can be adjusted to any value between 2.5V (Vref) and 36V by using two external resistors. The GL431 has a typical dynamic output impedance of 0.2W. Active output circuitry provides a very unique turn on characteristic, making the GL431 an excellent replacement for zener diodes in many applications such as onboard regulation and adjustab le power supplies. The GL431 is an ideal voltage reference for 3.0 to 3.3V switching power supplies. The GL431 shunt regulator is available with 3 voltage tolerances 0.5% over TA=0°C to +70°C , and four package options (SOT-23, TO-92) .Whatever your application is , the GL431 offers the optimum combination of performance, reliability, and economy.
Features:
- Sink Current Capability 1 mA to 100mA
- Low dynamic output impedance, 0.2W typ.
- Low output noise
- 0.5% reference voltage tolerance
- Alternate for TL431, TL431, LM431 & AS431
- Temperature range 0°C to +70°C
- Available in SOT-23, TO-92 packagese
 

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GL431B
Description
The GL431 is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. Output voltage can be adjusted to any value between 2.5V (Vref) and 36V by using two external resistors. The GL431 has a typical dynamic output impedance of 0.2W. Active output circuitry provides a very unique turn on characteristic, making the GL431 an excellent replacement for zener diodes in many applications such as onboard regulation and adjustab le power supplies. The GL431 is an ideal voltage reference for 3.0 to 3.3V switching power supplies. The GL431 shunt regulator is available with 3 voltage tolerances 1.0% over TA=0°C to +70°C , and four package options (SOT-23, TO-92) .Whatever your application is , the GL431 offers the optimum combination of performance, reliability, and economy.
Features:
- Sink Current Capability 1 mA to 100mA
- Low dynamic output impedance, 0.2W typ
- Low output noise
- 1% reference voltage tolerance
- Alternate for TL431, TL431, LM431 & AS431
- Temperature range 0°C to +70°C
- Available in SOT-23, TO-92 packages
 

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GL432A
Description
The GL432's are low-voltage three-terminal adjustable precision shunt regulators with specified thermal stability over their full temperature range. Output voltage can be set to any value from Vref (1.24V) to 16V by using two external resistors. Their active output circuitry provides a very unique turn-on characteristic, making them excellent replacements for zener diodes in many applications such as onboard regulation and adjustable power supplies. In a wid e range of home applications, these versatile darlings are ideal voltage references for 3.0V to 3.3V switching power supply. With operational cathode current as low as 80uA .
Features:
- Low-voltage operation, down to 1.24V
- 0.5% reference voltage tolerance
- Adjustable output voltage, VO = Vref to 16V
- Sink Current Capability 80uA to 100mA
- Low dynamic output impedance, 0.05W typical
- Wide temperature range, 0 to +70 degree C
- Pin-to-pin replacement for TLV431, SC431L
- Available in SOT-23, TO-92
 

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 GL432B
Description
The GL432's are low-voltage three-terminal adjustable precision shunt regulators with specified thermal stability over their full temperature range. Output voltage can be set to any value from Vref (1.24V) to 16V by using two external resistors. Their active output circuitry provides a very unique turn-on characteristic, making them excellent replacements for zener diodes in many applications such as onboard regulation and adjustable power supplies. In a wid e range of home applications, these versatile darlings are ideal voltage references for 3.0V to 3.3V switching power supply. With operational cathode current as low as 80uA .
Features:
- Low-voltage operation, down to 1.24V
- 1% reference voltage tolerance
- Adjustable output voltage, VO = Vref to 16V
- Sink Current Capability 80uA to 100mA
- Low dynamic output impedance, 0.05W typical
- Wide temperature range, 0 to +70 degree C
- Pin-to-pin replacement for TLV431, SC431L
- Available in SOT-23, TO-92
 

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Linear Regulator
 
- LDO Regulator
GL1117
Description
GL1117 of positive adjustable and fixed regulators is designed to provide 1.0A output with low dropout voltage performance. On-chip trimming adjusts the reference voltage to 1.5%. For usage on working in post regulators or microprocessor power supplies, low voltage operation and fast transient response are required.
Pin-to-pin compatible with the LT1086 family of regulators, GL1117 is available in surface-mount SOT-223 and TO-252 packages.
Features:
- Adjustable or Fixed Output
- Output Current of 1.0A
- Dropout Voltage (Typical) 1.15V @ 1.0A
- Line Regulation 0.2% max
- Load Regulation 0.4% max
- Fast Transient Response
- Current Limit Protection
- Thermal Shutdown Protection
 

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GL1084
Description
GL1084 series of positive adjustable and fixed regulators is designed to provide 5A output with low dropout voltage performance. On-chip trimming adjusts the reference voltage with an accuracy of 1% for adjustable and 2% for fixed voltage versions. To work in post regulators or microprocessor power supplies, which where low voltage operation and fast transient response are required. Device includes over-current protection and thermal shutdown protection as w ell.
GL1084 is available in TO-220 and surface-mount TO-263 packages.
Features:
- Adjustable or Fixed Output
- Output Current of 5.0A
- Dropout Voltage (typical) 1.15V @ 5.0A
- Typical Line Regulation 0.04%
- Typical Load Regulation 0.08%
- Fast Transient Response
- Current Limit Protection
- Thermal Shutdown Protection
 

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- Ultra LDO Regulator
GL39100
Description
The GL39100, GL39101 and GL39102 are 1A low-dropout linear voltage regulators that provide low-voltage, high-current output from an extremely small package. The GL39100/1/2 offers extremely low dropout (typically 410 mV at 1A) and low ground current (typically 12mA at 1A). The GL39100 is a fixed output regulator offered in the SOT-223 package. The GL39101 and GL39102 are fixed and adjustable regulators, respectively, in a thermally enhanced power 8-lead SOP (small outline package). The GL39100/1/2 is ideal for PC add-in cards that need to convert from standard 5V to 3.3V, 3.3V to 2.5V or 2.5V to 1.8V. A guaranteed maximum dropout voltage of 630mV over all operating conditions allows the GL39100/1/2 to provide 2.5V from a supply as low as 3.13V and 1.8V from a supply as low as 2.43V. The GL39100/1 /2 is fully protected with over current limiting, thermal shutdown, and reversed-battery protection. Fixed voltages of 5.0V, 3.3V, 2.5V, 1.8 and 1.5V are available o n GL39100/1 with adjustable output voltages to 1.24V on GL39102.
Features:
- Fixed and adjustable output voltages to 1.24V
- 410mV typical dropout at 1A
- 1A minimum guaranteed output current
- 1% initial accuracy
- Low ground current
- Current limiting and thermal shutdown
- Reversed-battery protection
- Reversed-leakage protection
- Fast transient response
 

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GL39500
Description
The GL39500 series is 5.0A low-dropout linear voltage regulators that provide a low-voltage, high-current output with a minimum of external components. The GL39500 series offers extremely low dropout (typically 400mV at 5.0A) and low ground current (typically 70mA at 5.0A). The GL39500 series is ideal for PC add-in cards that need to convert from standard 3.0V to 2.5V and 2.5V to 1.8V, down to new, lower core voltages. A guaranteed maximum dropout voltage of 500mV over all operating conditions allows the GL39500 series to provide 2.5V from a supply as low as 3V or 1.8V. The GL39500 series also has fast transient response, for heavy switching applications. The device requires only 47 uF of output capacitance to maintain stability and achieve fast transient response. The GL39500 series is fully protected with over current limiting, thermal shutdown, reversed-battery protection, reversed-lead insertion protection, and reversed-leakage protection. The GL39501 ser ies offers a TTL-logic-compatible enable pin and an error flag that indicates under voltage and over current conditions. Offered in a fixed voltage, 1.8V and 2.5V, the GL39500 series comes in the TO-220 and TO-263 packages and is an ideal upgrade to older, NPN-based linear voltage regulators.
Features:
- 5.0A minimum guaranteed output current
- 400mV dropout voltage at 5A
- 1% initial accuracy
- Low ground current
- Current limiting and thermal shutdown
- Reversed-battery and reversed-lead insertion protectionn
- Reversed-leakage protection
- Fast transient response
- TO-220 and TO-263 packages
- TTL/CMOS compatible enable pin (GL39501 only)
- Error flag output (GL39501 only)
- Ceramic capacitor stable (See Application Information)
 

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- CMOS LDO
 
GL6250
Description
GL6250 combine high accuracy with very low power consumption, and provides high output current even when the application requires extremely low input-output voltage differential.
GL6250 includes a precision voltage reference, an error correction circuit, over-temperature protection, and a current limited output driver. Fast transient response to load variations provides excellent stability under dynamic load conditions.
GL6250 comes in SOT-23 (150mW) and TO-92 packages.
Features:
- Maximum output current 250mA (within maximum power dissipation)
- Output voltage: from 1.8 V to 5.0V in 0.1V increments
- Output voltage 2%
- CMOS low power consumption, typically 1.0A at Vout = 5.0V
- Input stability typically 0.2%/V
- Ultra-low dropout voltage 0.38V @ Iout = 200mA at Vout = 5.0V
- Small input/ output differential: 0.4V at 160mA (Vout = 3.3V)
- SOT-23 (150mW) and TO-92 packages
 

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GL6251
Description
GL6250 combine high accuracy with very low power consumption, and provides high output current even when the application requires extremely low input-output voltage differential.
GL6250 includes a precision voltage reference, an error correction circuit, over-temperature protection, and a current limited output driver. Fast transient response to load variations provides excellent stability under dynamic load conditions.
GL6250 comes in SOT-23 (150mW) and TO-92 packages.
Features:
- Maximum output current 250mA (within maximum power dissipation)
- Output voltage: from 1.8 V to 5.0V in 0.1V increments
- Output voltage 2%
- CMOS low power consumption, typically 1.0A at Vout = 5.0V
- Input stability typically 0.2%/V
- Ultra-low dropout voltage 0.38V @ Iout = 200mA at Vout = 5.0V
- Small input/ output differential: 0.4V at 160mA (Vout = 3.3V)
- SOT-23 (150mW) and TO-92 packages
 

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