MC34063E - ST Microelectronics

MC34063E DC/DC Converter Contolr Circuits

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 resisto.

Features

OT TJ TSTG TOP Power Supply Voltage Comparator Input Voltage Range Switch Collector Voltage Switch Emitter Voltage (VSWC = 40V) Switch Collector to Emitter Voltage Driver Collector Voltage Driver Collector Current Switch Current Power Dissipation at TA = 25°C Operating Junction Temperature Storage Temperature Range Operating Ambient Temperature Range for AC and EC SERIES for AB SERIES for EB SERIES for DIP-8 for SO-8 Parameter Value 50 -0.3 to 40 40 40 40 40 100 1.5 1.25 0.625 150 -40 to 150 0 to 70 -40 to 85 -40 to 125 Unit V V V V V V mA A W °C °C °C Absolute Maximum Ratings are those value.