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KA78RH33

Description
Semi Low Dropout Voltage Regulator
File Size61KB,6 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet View All

KA78RH33 Overview

Semi Low Dropout Voltage Regulator

www.fairchildsemi.com
KA78RH33
Semi Low Dropout Voltage Regulator
Features
Fixed Output Voltage of +3.3V
Space Saving SMD types of DPAK
1V(Typ) Dropout at Io=800mA
Output Current of 800mA
Thermal Shutdown Protection
Over Current Protection
Output trimmed to +/-1% Tolerance
No minimum Load Requirement
Description
The KA78RH33 is a +3.3V fixed Low Dropout Voltage
Regulator specifically designed for use in low voltage oper-
ation. The maximum load current is 0.8A and the dropout
voltage is guaranteed to be 1V(Typ). The Dropout Voltage
varies with load current. The regulator consists of compos-
ite PNP-NPN pass transistors.
D-PAK
1
1. GND 2. Vout 3.Vin
Internal Block Diagram
3.Vin
CURRENT
GENERATOR
PROTECTION
CIRCUIT
2.Vout
1.GND
Rev. 1.0.1
©2001 Fairchild Semiconductor Corporation
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