MC34063AQ8 Datasheet | Cystech Electonics

CYStech Electronics Corp. DC-to-DC Converter Control Circuit .. Spec. No. : C501Q8 Issued Date : 2003.03.21 Revised Date :2005.06.02 Page No. : 1/7 Description The MC34063AQ8 is a monolithic control circuit containing the primary functions required for DC-to-DC converters. This device consists of an internal temperature pensated reference, parator, control- led duty cycle oscillator with an active current limit circuit, driver and high current output switch. Features - 3V to 40V Input Voltage Operation - Internal 1.6A Peak Current Switch - Internal ±1.8% Reference - Low Quiescent Current at 1.6m A - Frequency Operation from 100Hz~100KHz - Current Limiting Applications - Saver for Cellular Phone - DC-DC Converter Module Typical Application Circuit Fig1.Saver Circuit for Cellular Phone MC34063A RSC Vin 8 7 6 5 1 2 3 4 L1 200µH Vout D1 1N5819 Cout 220µF CT 470ρF C1 100µF RA 5.6kΩ RB 33kΩ CYStek Product Specification CYStech Electronics Corp. Pin Connections 8 7 6...