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33063AP

Motorola
Part Number 33063AP
Manufacturer Motorola
Description MC33063AP
Published Oct 16, 2005
Detailed Description Order this document by MC34063A/D MC34063A MC33063A DC-to-DC Converter Control Circuits The MC34063A Series is a monoli...
Datasheet PDF File 33063AP PDF File

33063AP
33063AP

Overview
Order this document by MC34063A/D MC34063A MC33063A DC-to-DC Converter Control Circuits The MC34063A Series is a monolithic control circuit containing the primary functions required for DC–to–DC converters.
These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch.
This series was specifically designed to be incorporated in www.
DataSheet4U.
com Step–Down and Step–Up and Voltage–Inverting applications with a minimum number of external components.
Refer to Application Notes AN920A/D and AN954/D for additional design information.
• Operation from 3.
0 V to 40 V Input DC–to–DC CONVERTER CONTROL CIRCUITS SEMICONDUCTOR TECHNICAL DATA • • • • • • Low Standby Current Current Limiting Output Switch Current to 1.
5 A Output Voltage Adjustable Frequency Operation to 100 kHz Precision 2% Reference 8 1 P, P1 SUFFIX PLASTIC PACKAGE CASE 626 8 1 D SUFFIX PLASTIC PACKAGE CASE 751 (SO–8) PIN CONNECTIONS Representative Schematic Diagram 1 S Q 7 R 100 Ipk Oscillator CT 6 VCC Comparator + – Comparator 5 Inverting Input (Bottom View) 1.
25 V Reference Regulator 4 Gnd MC33063AVD MC33063AVP MC34063AD This device contains 51 active transistors.
MC34063AP1 TA = –40° to +125°C TA = 0° to +70°C SO–8 Plastic DIP SO–8 Plastic DIP Rev 5 Switch Collector Switch Emitter Timing Capacitor Gnd 1 2 3 4 8 7 6 5 Driver Collector Ipk Sense VCC Comparator Inverting Input Drive 8 Collector Q2 Q1 Switch Collector Ipk Sense 2 Switch Emitter (Top View) 3 ORDERING INFORMATION Timing Capacitor Device MC33063AD MC33063AP1 Operating Temperature Range TA = – 40° to +85°C Package SO–8 Plastic DIP © Motorola, Inc.
1996 MOTOROLA ANALOG IC DEVICE DATA 1 MC34063A MC33063A MAXIMUM RATINGS Rating Power Supply Voltage Comparator Input Voltage Range Switch Collector Voltage Switch Emitter Voltage (VPin 1 = 40 V) Switch Collector to Emitter Voltage Driver Collector Volta...


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