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PDF MC34063 Data sheet ( Hoja de datos )

Número de pieza MC34063
Descripción DC to DC Converter Controller
Fabricantes Unisonic Technologies 
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No Preview Available ! MC34063 Hoja de datos, Descripción, Manual

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UTCMC34063 LINEAR INTEGRATED CIRCUIT
DC TO DC CONVERTER
CONTROLLER
DESCRIPTION
The UTC MC34063 is a monolithic regulator
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 step down, step-up or inverting switching
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
transistors.
*Frequency of operation from 100Hz to 100kHz.
*Step-up, step-down or inverting switch regulators.
PIN CONFIGURATION
Switch
Collector
Switch
Emitter
Timing
Capacitor
Gnd
1
2
3
4
8
Driver
Collector
7 Lpk Sense
6 Vcc
5
Comparator
Inverting input
BLOCK DIAGRAM
SWITCH
COLLECTOR
1
SWITCH
EMITTER
2
TIMING
CAPACITOR
3
GND
4
E
T2
T1
A
S
Q
R
C
Is
CT
OSCILLATOR
1.25Vref
COMP.
D
B
8
DRIVE
COLLECTOR
7
Ipeak
SENSE
6 Vcc
5 COMPARATOR
INVERTING INPUT
SOP-8
DIP-8
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R103-001,B
www.DataSheet4U.com
www.DataSheet4U.com

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MC34063 pdf
UTCMC34063 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R103-001,B

5 Page










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