Product Summary

The MC34063 is a monolithic control circuit. The MC34063 consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch.

Parametrics

MC34063 absolute maximum ratings: (1)Power Supply Voltage:40 Vdc; (2)Comparator Input Voltage Range:-0.3 to +40 Vdc; (3)Switch Collector Voltage:40 Vdc; (4)Switch Emitter Voltage (VPin 1 = 40 V):40 Vdc; (5)Switch Collector to Emitter Voltage:40 Vdc; (6)Driver Collector Voltage:40 Vdc; (7)Driver Collector Current:100 mA; (8)Switch Current:1.5 A; (9)Operating Junction Temperature:+150℃; (10)Storage Temperature Range:-65℃ to +150℃.

Features

MC34063 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; (8)Pb?Free Packages are Available.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MC34063
MC34063
Other

Data Sheet
Negotiable 
MC34063A
MC34063A
Other

Data Sheet
Negotiable 
MC34063ABD-TR
MC34063ABD-TR
STMicroelectronics
Switching Converters, Regulators & Controllers 3.0 to 40V DC-DC Cnv
Data Sheet
0-1: $0.85
1-10: $0.74
10-100: $0.58
100-250: $0.50
MC34063ABN
MC34063ABN
STMicroelectronics
DC/DC Switching Converters DC DC CONVERTER CONTROL CIRCUITS
Data Sheet
0-1: $0.38
1-10: $0.29
10-100: $0.25
100-250: $0.22
MC34063ACD
MC34063ACD
STMicroelectronics
Switching Converters, Regulators & Controllers 3.0 to 40V DC-DC Cnv
Data Sheet
Negotiable 
MC34063ACD-TR
MC34063ACD-TR
STMicroelectronics
Switching Converters, Regulators & Controllers 3.0 to 40V DC-DC Cnv
Data Sheet
0-1: $0.26
1-25: $0.23
25-100: $0.20
100-250: $0.18
MC34063ACN
MC34063ACN
STMicroelectronics
Switching Converters, Regulators & Controllers 3.0 to 40V DC-DC Cnv
Data Sheet
0-1: $0.38
1-10: $0.29
10-100: $0.25
100-250: $0.22
MC34063ACS
MC34063ACS
Other

Data Sheet
Negotiable