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Low Quiescent Current LDO
Low Noise LDO
Ultra Low Dropout LDO
High Performance Single Synchronous Buck Controller (COT)
Single Synchronous Buck Controller (Voltage Mode)
High Performance Single Synchronous Buck Converter(MCM)
High Performance Single Synchronous Buck Converter
High Performance Single Asynchronous Buck Converter (CC/CV)
High Performance Single Buck Controller (CC/CV)
LED Backlight
Battery Protector/Balance
Power Multiplexer for USB High Side Switch (5VSB,5VCC)
Power Distribution Switch for USB
5V Dual Power Switch Controller
Load Switch
High Precision Voltage Console With I2C (VID)
DDR Terminator Regulator
DDR Memory Power Solution Converter
DDR Memory Power Solution Controller
High Voltage Gate Driver
Lower Voltage Gate Driver
OPA,Comparator
Sync. Boost Controller
IPM
POWER MODULE
Power Balance Switch
 
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General Description

The GS7103 can deliver up to 3A of continuous output current with a typical dropout voltage of only 300mV using internal n-channel MOSFETs. The linear regulator uses a separate VDD supply to power the control circuitry and drive the Inter- nal n-channel MOSFETs. The output voltage is adjustable from 0.8V to the voltage that is very close to VIN.
The GS7103 allows the use of low-ESR ceramic capacitor as low as 10uF. Moreover the IC provide good performance on both line transient response and load transient response.

The GS7103 provides foldback over current limit and thermal shutdown to prevent the linear regulator from damage. Built-in soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. During start-up, POK remain low until the output reaches 92% of its rating value.
The GS7103 is available in PSOP-8 package or TDFN10- 3x3 package.

Features

  • Maximum 3A Low-Dropout Voltage Regulator
  • Ultra Low Dropout Voltage Typically 300mV at 3A Output Current
  • High Output Accuracy over Line, Load and Temperature
  • Build-In Soft-Start
  • Excellent startup under load from 0 to 3A
  • Power-On-Reset Monitoring on Both VDD and VIN Pins
  • Power-OK Output function
  • Foldback over Current Protection and  Thermal shutdown
  • 0.3μA (typ) Shutdown Supply Current
  • Low ESR Output Capacitor(Multi-layer Chip Capacitors (MLCC)) Applicable
  • Vout Pull Low Resistance when Disable
  • PSOP-8, TDFN10- 3x3
  • Lead-Free and RoHS Compliant

Applications
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  • Notebook PC Applications
  • Motherboard Applications
  • Low Voltage Logic Supplies
  • Microprocessor and Chipset Supplies
  • Graphic Cards
  • Cordless phones

Typical Application

Pin Configuration

Ordering Information

No Item Contents
1 Package SO: PSOP-8
TD: TDFN10-3x3
2 Shipping R: Tape & Reel
 Example: GS7103 PSOP-8 Tape & Reel ordering information is “GS7103SO-R”

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