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MC34063A Datasheet(Fiches technique) 1 Page - List of Unclassifed Manufacturers

Numéro de pièce MC34063A
Description  DC-DC Converter Control Circuits
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Fabricant  ETC1 [List of Unclassifed Manufacturers]
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DC-DC Converter Control Circuits
MC34063A
● OUTPUT SWITCH CURRENT IN EXCESS OF
1.5A
2% REFERENCE ACCURACY
LOW QUIESCENT CURRENT:2.5mA(TYP.)
OPERATING FROM 3V TO 40V
REQUENCY OPERATION TO 100KHz
ACTIVE CURRENT LIMITING
DESCRIPTION
The MC34063A series is a monolithic control
circuit delivering the main functions for DC-DC
voltage converting.
ORDERING INFORMATION
The device contains an intermal temperature
compensated reference, comparator, duty cycle
controlled oscillator with an active current limit
circuit driver and high current output switch.
Output voltage is adjustable through two external
resistors with a 2% reference accuracy.
Employing a minimum number of external
components the MC34063A devices series is
designed for Step-Down, Step-Up and
Voltage-lnverting applications.
BLOCK DIAGRAM
HTC
1
MC34063AN
8 DIP
Device
Package
MC34063AD
8 SOP
Ipk Oscillator
s
R
8
3
6
4
5
7
2
1
Q
+
Vcc
Drive
Collector
Ipk Sense
Switch
Emitter
Switch
Collector
GND
-
1.25V
Reference
Regulator
Comparator
lnverting
input
Comparator
Q2
Q1
Timing
Capacitor
1
2
3
4
8
7
6
5
Switch
Emitter
Timing
Capacitor
Ground
Ipk Sense
Vcc
Comparator
- Input
Drive
Collector
Switch
Collector
8 SOP/ 8 DIP PIN Configulation




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Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
MC34063DC-DC CONVERTER CONTROL CIRCUITS 1 2 3 4 5 MoreSTMicroelectronics
MC34063ADC-DC CONVERTER CONTROL CIRCUITS 1 2 3 4 5 MoreSTMicroelectronics
AMC34063DC-DC CONVERTER CONTROL CIRCUITS 1 2 3 4 5 MoreList of Unclassifed Manufacturers
AN8018SA1.8-volt 2-channel step-up step-down or inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
RT34063DC-to-DC Converter Control Circuits 1 2 3 4 5 MoreList of Unclassifed Manufacturers
MC35063ADC-to-DC Converter Control Circuits SILICON MONOLITHIC INTEGRATED CIRCUIT 1 2 3 4 5 MoreMotorola, Inc
SI9124500-kHz Push-Pull DC-DC Converter With Integrated Secondary Synchronous Rectification Control 1 2 3 4 5 MoreVishay Siliconix
UPC1933DC-DC CONVERTER CONTROL IC 1 2 3 4 5 NEC
LM3670Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits 1 2 3 4 5 MoreNational Semiconductor (TI)
UPC1934DC-DC CONVERTER CONTROL IC 1 2 3 4 5 MoreNEC

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