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Part Number: MC34063E

 

 

 

 

Description: The MC34063A/E series is a monolithic control circuit delivering the main functions for DC-DC voltage converting.

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MC34063E General Description


The MC34063A/E series is a monolithic control circuit delivering the main functions for DC-DC voltage converting.

The device contains an internal 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 externalb components the MC34063A/E devices series is designed for Step-Down, Step-Up and Voltage-Inverting applications

MC34063E Maximum Ratings

Symbol Parameter Value Unit
VCC Power Supply Voltage 50 V
Vir Comparator Input Voltage Range -0.3 to 40 V
VSWC Switch Collector Voltage 40 V
VSWE Switch Emitter Voltage (VSWC = 40V) 40 V
VCE Switch Collector toEmitter Voltage 40 V
Vdc Driver Collector Voltage 40 V
Idc Driver Collector Current 100 mA
ISW Switch Current 1.5 A
Ptot
Power Dissipation at Tamb = 25  (for Plastic Package)
(for SOIC Package)		 1.25
0.625		 W
Top Operating Ambient Temperature Range (for AC and EC SERIES)
(for AB SERIES)
(for EB SERIES)		 0 to 70
- 40 to 85
- 40 to 125		 oC
oC
oC
Tstg Storage Temperature Range - 40 to 150 oC

MC34063E Features

n OUTPUT SWITCH CURRENT IN EXCESS OF 1.5A
n 2% REFERENCE ACCURACY
n LOW QUIESCENT CURRENT: 2.5mA (TYP.)
n OPERATING FROM 3V TO 40V
n FREQUENCY OPERATION TO 100KHz
n ACTIVE CURRENT LIMITING

MC34063E datasheet

MC34063EB
PDF/DataSheet Download

  • Datasheet: MC34063EB
  • File Size: 1518795 KB
  • Manufacturer: STMICROELECTRONICS [STMicroelectronics]
  • Click here to Download

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