MC34063 Unisonic Technologies, MC34063 Datasheet

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MC34063

Manufacturer Part Number
MC34063
Description
Manufacturer
Unisonic Technologies
Datasheet

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UTC MC34063 LINEAR INTEGRATED CIRCUIT
DC TO DC CONVERTER
CONTROLLER
DESCRIPTION
subsystem, intended for use as DC to DC converter.
This device contains a temperature compensated
band gap reference, a duty-cycle control oscillator,
driver and high current output switch. It can be used
for
regulators as well as for series pass regulators.
FEATURES
*Operation from 3.0V to 40V.
*Short circuit current limiting.
*Low standby current.
*Output switch current of 1.5A without external
*Frequency of operation from 100Hz to 100kHz.
*Step-up, step-down or inverting switch regulators.
PIN CONFIGURATION
BLOCK DIAGRAM
UTC
transistors.
The UTC MC34063 is a monolithic regulator
step
down,
step-up
UNISONIC TECHNOLOGIES CO., LTD.
COLLECTOR
CAPACITOR
SWITCH
EMITTER
SWITCH
TIMING
GND
or
Capacitor
Collector
inverting
Emitter
Timing
Switch
Switch
1
2
3
4
Gnd
T1
1.25Vref
T2
A
switching
E
1
2
3
4
Q
CT
C
OSCILLATOR
S
R
Is
COMP.
B
8
7
6
5
D
Inverting input
Comparator
Lpk Sense
Collector
Driver
Vcc
8
7
6
5
COLLECTOR
Vcc
SENSE
INVERTING INPUT
DRIVE
COMPARATOR
Ipeak
SOP-8
QW-R103-001,B
DIP-8
1

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MC34063 Summary of contents

Page 1

... UTC MC34063 LINEAR INTEGRATED CIRCUIT CONVERTER CONTROLLER DESCRIPTION The UTC MC34063 is a monolithic regulator subsystem, intended for use converter. This device contains a temperature compensated band gap reference, a duty-cycle control oscillator, driver and high current output switch. It can be used ...

Page 2

... UTC MC34063 LINEAR INTEGRATED CIRCUIT 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 Power Dissipation (Ta=25°C) DIP SOP Thermal Characteristics DIP SOP Operating junction temperature ...

Page 3

... UTC MC34063 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R103-001,B ...

Page 4

... UTC MC34063 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R103-001,B ...

Page 5

... UTC MC34063 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R103-001,B ...

Page 6

... UTC MC34063 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R103-001,B ...

Page 7

... UTC MC34063 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein ...

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