KA34063 Fairchild Semiconductor, KA34063 Datasheet

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KA34063

Manufacturer Part Number
KA34063
Description
The KA34063A is a monolithic regulator sub System intended for use as DC to DC converter
Manufacturer
Fairchild Semiconductor
Datasheet

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Features
• Operation From 3.0 to 40V Input
• Short Circuit Current Limiting
• Low Stand-by Current
• Output Switch Current of 1.5A Without External
• Output Voltage Adjustable
• Frequency of Operation From 100Hz to 100kHz
• Step-up, Step-Down or Inverting Switching Regulators
Internal Block Diagram
©2002 Fairchild Semiconductor Corporation
KA34063A
SMPS Controller
Transistors
GND
1.25V
* V
REF
VTG
4
CC
(6)
I
PK
TIMING
CAPACITOR
SENSE
COMPARATOR
INVERTING
INPUT
5
3
7
COMP
OSCILLATOR
Description
The KA34063A is a monolithic regulator sub system
intended for use as DC to DC converter. This device
contains a temperature compensated 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-SOP
8-DIP
1
1
S
R
Q
DRIVE
COLLECTOR
www.fairchildsemi.com
Q2
8
RD
2
Q1
SWITCH
COLLECTOR
1
Rev. 1.0.1

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KA34063 Summary of contents

Page 1

... CC ©2002 Fairchild Semiconductor Corporation Description The KA34063A is a monolithic regulator sub system intended for use converter. This device contains a temperature compensated 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 ...

Page 2

... KA34063A Absolute Maximum Ratings Parameter Supply Voltage Comparator Input Voltage Range Switch Collector Voltage Switch Emitter Voltage Switch Collector To Emitter Voltage Driver Collector Voltage Switch Current Storage Temperature Range Electrical Characteristics (V = 5.0V + unless otherwise specified Parameter OSCILLATOR Charging Current ...

Page 3

... Typical Performance Characteristics Temperature ( C) Figure 1. Temperature Drift ( KA34063A 3 ...

Page 4

... KA34063A Mechanical Dimensions Package 6.40 0.20 0.252 0.008 # 7.62 0.300 4 Dimensions in millimeters 8-DIP 5.08 MAX 0.200 3.40 0.33 0.20 MIN 0.013 0.134 0.008 3.30 0.30 0.130 0.012 ...

Page 5

... Mechanical Dimensions Package #1 #4 6.00 0.236 3.95 0.156 0.225 0.50 0.20 0.020 0.008 (Continued) 8-SOP 1.55 0.20 0.061 0.008 #8 #5 0.30 1.80 MAX 0.012 0.071 0.20 0.008 5.72 Dimensions in millimeters 0.1~0.25 MIN 0.004~0.001 KA34063A 5 ...

Page 6

... KA34063A Ordering Information Product Number KA34063A KA34063AD DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...

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