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MC34063A Datasheet(PDF) 1 Page - Texas Instruments

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Part No. MC34063A
Description  1.5-A Peak Boost/Buck/Inverting Switching Regulators
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

MC34063A Datasheet(HTML) 1 Page - Texas Instruments

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Q
S
1.25-V
Reference
Regulator
R
CT
Ipk
Oscillator
Q2
Q1
Switch
Collector
4
Switch
Emitter
Timing
Capacitor
GND
3
2
1
8
7
6
5
Comparator
Inverting Input
VCC
Ipk
Sense
Drive
Collector
100 W
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
MC33063A, MC34063A
SLLS636N – DECEMBER 2004 – REVISED JANUARY 2015
MC3x063A 1.5-A Peak Boost/Buck/Inverting Switching Regulators
1 Features
3 Description
The MC33063A and MC34063A devices are easy-to-
1
Wide Input Voltage Range: 3 V to 40 V
use ICs containing all the primary circuitry needed for
High Output Switch Current: Up to 1.5 A
building simple DC-DC converters. These devices
Adjustable Output Voltage
primarily
consist
of
an
internal
temperature-
compensated reference, a comparator, an oscillator,
Oscillator Frequency Up to 100 kHz
a PWM controller with active current limiting, a driver,
Precision Internal Reference: 2%
and a high-current output switch. Thus, the devices
Short-Circuit Current Limiting
require
minimal
external
components
to
build
converters
in
the
boost,
buck,
and
inverting
Low Standby Current
topologies.
2 Applications
The MC33063A device is characterized for operation
from –40°C to 85°C, while the MC34063A device is
Blood Gas Analyzers: Portable
characterized for operation from 0°C to 70°C.
Cable Solutions
HMIs (Human Machine Interfaces)
Device Information(1)
Telecommunications
PART NUMBER
PACKAGE (PIN)
BODY SIZE
Portable Devices
SOIC (8)
4.90 mm × 3.91 mm
Consumer & Computing
MC3x063A
SON (8)
4.00 mm × 4.00 mm
PDIP (8)
9.81 mm × 6.35 mm
Test & Measurement
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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