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MC34063AD Datasheet(PDF) 1 Page - Texas Instruments

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Part No. MC34063AD
Description  1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

MC34063AD Datasheet(HTML) 1 Page - Texas Instruments

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2
3
4
8
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Switch Collector
Switch Emitter
Timing Capacitor
GND
Driver Collector
Ipk
VCC
Comparator Inverting Input
D (SOIC) OR P (PDIP) PACKAGE
(TOP VIEW)
DRJ (QFN) PACKAGE
(TOP VIEW)
Comparator Inverting Input
Switch Collector
2
3
4
1
8
7
6
5
Switch Emitter
Timing Capacitor
GND
VCC
Ipk
Driver Collector
The exposed thermal pad is electrically bonded internally to pin 4 (GND) .
MC33063A
MC34063A
www.ti.com
SLLS636L – DECEMBER 2004 – REVISED DECEMBER 2009
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
Check for Samples: MC33063A MC34063A
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FEATURES
Wide Input Voltage Range: 3 V to 40 V
Precision Internal Reference: 2%
High Output Switch Current: Up to 1.5 A
Short-Circuit Current Limiting
Adjustable Output Voltage
Low Standby Current
Oscillator Frequency Up to 100 kHz
DESCRIPTION/ORDERING INFORMATION
The MC33063A and MC34063A are easy-to-use ICs containing all the primary circuitry needed for building
simple dc-dc converters. These devices primarily consist of an internal temperature-compensated reference, a
comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch.
Thus, the devices require minimal external components to build converters in the boost, buck, and inverting
topologies.
The MC33063A is characterized for operation from –40°C to 85°C, while the MC34063A is characterized for
operation from 0°C to 70°C.
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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