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G9966

Global Mixed-mode Technology
Part Number G9966
Manufacturer Global Mixed-mode Technology
Description 3A Low Dropout Regulator
Published Jun 14, 2009
Detailed Description Global www.DataSheet4U.com Mixed-mode Technology Inc. G9966 3A Low Dropout Regulator with Enable Features „ „ „ „ „ „...
Datasheet PDF File G9966 PDF File

G9966
G9966

Overview
Global www.
DataSheet4U.
com Mixed-mode Technology Inc.
G9966 3A Low Dropout Regulator with Enable Features „ „ „ „ „ „ General Description The G9966 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 3 Amps.
Since it has superior dropout characteristics compared with regular LDOs, it can be used to supply 2.
5V on motherboards or 1.
5V, 1.
8V, 3.
3V on peripheral cards from the power supply thus allowing the elimination of costly heatsinks.
An enable pin further reduces power dissipation while shut down.
The G9966 provides excellent regulation over variations in line, load and temperature.
It provides over current and over temperature protection functions.
The G9966 is available with 1.
5V, 1.
8V, 2.
5V, 3.
3V and adjustable outputs in TO-263-5 package.
1.
5V, 1.
8V, 2.
5V, 3.
3V and Adjustable Outputs Over Current and Over Temperature Protection Output Current 3A Enable Pin 20µA Quiescent Current in Shutdown TO-263-5 Package Applications „ „ „ „ „ „ Battery Powered Systems Motherboards Peripheral Cards Network Cards Set Top Boxes Notebook Computers Ordering Information ORDER NUMBER G9966-15TGU G9966-18TGU G9966-25TGU G9966-33TGU G9966-ADJTGU MARKING G9966-15 G9966-18 G9966-25 G9966-33 G9966 TEMP.
RANGE -40°C ~ +85°C -40°C ~ +85°C -40°C ~ +85°C -40°C ~ +85°C -40°C ~ +85°C PACKAGE (Pb free) TO-263-5 TO-263-5 TO-263-5 TO-263-5 TO-263-5 Pin Configuration G9966-XX Typical Application Circuit G9966-XX VEN VIN VO VEN VIN VO GND C1 220µF 1 2 3 4 5 C2 220µF VEN VIN GND VO N.
C.
TO-263-5 G9966-ADJ VEN VIN VO R1 C1 220µF 1 2 3 4 5 C2 220µF R2 G9966-ADJ VEN VIN VO ADJ GND VEN VIN GND VO ADJ TO-263-5 VO = 1.
2 (R1+R2) Volts R2 R2=12kΩ is recommended Ver: 0.
6 Preliminary May 19, 2006 TEL: 886-3-5788833 http://www.
gmt.
com.
tw 1 Global www.
DataSheet4U.
com Mixed-mode Technology Inc.
G9966 (Note 1) Input Voltage.
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7V VEN Voltage .
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