GS7103 Datasheet – 3A Ultra Low Dropout Linear Regulator

This is one of the regulator types.

Part Number : GS7103, GS7103SO-R

Function : 3A Ultra Low Dropout Linear Regulator

Package : PSOP-8 package, TDFN10-3×3 package

Manufacturers : GStek ( Green Solution Technology )

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GS7103 Regulator

Description

The GS7103 can deliver up to 3A of continuous output current with a typical dropout voltage of only 260mV using internal n-channel MOSFETs. The linear regulator uses a separate VDD supply to power the control circuitry and drive the Internal n-channel MOSFETs. The output voltage is adjustable from 0.8V to the voltage that is very close to VIN.

Pinout

GS7103 pinout

Features

1. Maximum 3A Low-Dropout Voltage Regulator
2. Ultra Low Dropout Voltage Typically 220mV at 3A Output Current
3. High Output Accuracy over Line, Load and Temperature
4. Build-In Soft-Start
5. Excellent startup under load from 0 to 3A
6. Power-On-Reset Monitoring on Both VDD and VIN Pins
7. Power-OK Output function
8. Foldback over Current Protection and Thermal shutdown

 

Applications

1. Notebook PC Applications
2. Motherboard Applications
3. Low Voltage Logic Supplies
4. Microprocessor and Chipset Supplies
5. Graphic Cards
6. Cordless phones

GS7103 Datasheet

 

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LP2950 Datasheet – 100 mA, Dropout Voltage Regulator

Part Number : LP2950

Function : Micropower Voltage Regulator

Package : TO92, DPAK, SOIC, DIP Type

Manufacturers : ON Semiconductor

Pinouts :
LP2950 Datasheet Voltage Regulator

 

Description :

The LP2950 and LP2951 are micropower voltage regulators that are specifically designed to maintain proper regulation with an extremely low input−to−output voltage differential. These devices feature a very low quiescent bias current of 75 A and are capable of supplying output currents in excess of 100 mA. Internal current and thermal limiting protection is provided.

The LP2951 has three additional features. The first is the Error Output that can be used to signal external circuitry of an out of regulation condition, or as a microprocessor power−on reset. The
second feature allows the output voltage to be preset to 5.0 V, 3.3 V or 3.0 V output (depending on the version) or programmed from 1.25 V to 29 V.

It consists of a pinned out resistor divider along with direct access to the Error Amplifier feedback input. The third feature is a Shutdown input that allows a logic level signal to turn−off or turn−on the regulator output.

LP2951 Pinout
LP2951 datasheet

Features

1. Low Quiescent Bias Current of 75 uA
2. Low Input−to−Output Voltage Differential of 50 mV at 100 uA and 380 mV at 100 mA
3. 5.0 V, 3.3 V or 3.0 V ±0.5% Allows Use as a Regulator or Reference
4. Extremely Tight Line and Load Regulation
5. Requires Only a 1.0 uF Output Capacitor for Stability
6. Internal Current and Thermal Limiting

Other data sheets within the file : LP2950ACDT-3.0, LP2950ACDT-3.0RK, LP2950ACDT-5.0

LP2950 Datasheet PDF Download

LP2950 pdf