MIK34063A

MIKRON JSC http://www.mikron.ru March 2003 DATA SHEET MARCH 2003 NO. 00002 REV. 1-03 REPLACEMENT of MC34063A MIK34063A DC-to-DC CONVERTER CONTROLLER MIK34063A DC—TO—DC CONVERTER CONTROLLER CONTENTS GENERAL DESCRIPTION FEATURES SCHEMATIC DIAGRAM PIN CONNECTIONS ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS DESIGN FORMULA TABLE TYPICAL PERFORMANCE CHARACTERISTICS OUTPUT SWITCH ON-OFF TIME VERSUS OSCILLATOR TIMING CAPACITOR TIMING CAPACITOR WAVEFORM EMITTER FOLLOWER CONFIGURATION OUTPUT SATURATION VOLTAGE VERSUS EMITTER CURRENT COMMON EMITTER CONFIGURATION OUTPUT SWITCH SATURATION VOLTAGE VERSUS COLLECTOR CURRENT CURRENT LIMIT SENSE VOLTAGE VERSUS TEMPERATURE STANDBY SUPPLY CURRENT VERSUS SUPPLY VOLTAGE TYPICAL APPLICATION CIRCUIT Page 1 1 2 2 2 3 4 5 5 5 5 5 5 5 6 CONTENTS Page STEP-UP CONVERTER 6 STEP-DOWN CONVERTER 6 VOLTAGE INVERTING CONVERTER 6 STEP-UP WITH EXTERNAL NPN SWITCH 7 STEP-UP WITH EXTERNAL NPN SATURATED SWITCH 7 STEP-DOWN WITH EXTERNAL NPN SWITCH 7 STEP-DOWN WITH EXTERNAL PNP SATURATED SWITCH VOLTAGE INVERTING WITH EXTERNAL NPN SWITCH VOLTAGE INVERTING WITH EXTERNAL PNP SATURATED SWITCH 7 8 8 DUAL OUTPUT VOLTAGE 8 HIGHER OUTPUT POWER, HIGHER INPUT VOLTAGE 8 PHYSICAL DIMENSIONS AND MARKING DIAGRAMS 9 SOP–8 9 DIP–8 9 ORDERING INFORMATION 10 GENERAL DESCRIPTION FEATURES The MIK34063A is a monolithic control circuit containing the primary functions required for DC–to–DC converters. This device consist of an internal tempe...