Product Summary

The MC34063AP1 is a monolithic control circuit containing the primary functions required for DC–to–DC converters. The MC34063AP1 consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. The MC34063AP1 is specifically designed to be incorporated in Step–Down and Step–Up and Voltage–Inverting applications with a minimum number of external components.

Parametrics

MC34063AP1 absolute maximum ratings: (1)Power Supply Voltage, VCC: 40 Vdc; (2)Comparator Input Voltage Range, VIR: –0.3 to +40 Vdc; (3)Switch Collector Voltage, VC(switch): 40 Vdc; (4)Switch Emitter Voltage (VPin 1 = 40 V), VE(switch): 40 Vdc; (5)Switch Collector to Emitter Voltage, VCE(switch): 40 Vdc; (6)Driver Collector Voltage, VC(driver): 40 Vdc; (7)Driver Collector Current, IC(driver): 100 mA; (8)Switch Current, ISW: 1.5 A.

Features

MC34063AP1 features: (1)Operation from 3.0 V to 40 V Input; (2)Low Standby Current; (3)Current Limiting; (4)Output Switch Current to 1.5 A; (5)Output Voltage Adjustable; (6)Frequency Operation to 100 kHz; (7)Precision 2% Reference.

Diagrams

MC34063AP1 circuit diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MC34063AP1
MC34063AP1

ON Semiconductor

Switching Converters, Regulators & Controllers 40V 1.5A

Data Sheet

Negotiable 
MC34063AP1G
MC34063AP1G

ON Semiconductor

Switching Converters, Regulators & Controllers 40V 1.5A Buck/Boost/Inverting

Data Sheet

0-1: $0.47
1-25: $0.37
25-100: $0.32
100-500: $0.24