KA34063A
Features
- -
- - Operation From 3.0 to 40V Input Short Circuit Current Limiting Low Stand-by Current Output Switch Current of 1.5A Without External Transistors
- Output Voltage Adjustable
- Frequency of Operation From 100Hz to 100k Hz
- Step-up, Step-Down or Inverting Switching Regulators
Description
The KA34063A is a monolithic regulator sub system intended for use as DC to DC converter. This device contains a temperature pensated bandgap reference, a duty cycle control oscillator, a driver, and a high current output switch. It can be used for step down, step up or inverting switching regulators as well as for series pass regulators.
8-DIP
8-SOP
Internal Block Diagram
DRIVE COLLECTOR SWITCH COLLECTOR
1.25V REF VTG P S Q PARATOR INVERTING INPUT Q2
Q1
IPK SENSE GND
TIMING CAPACITOR
OSCILLATOR R
3 2
- VCC(6)
Rev. 1.0.1
©2002 Fairchild Semiconductor Corporation
Absolute Maximum Ratings
Parameter Supply Voltage parator Input Voltage Range Switch...
