DESCRIPTION
GM34063 has all the functions required for DC-to-DC converters: an internal temperature- compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver, and highcurrent output switch. FEATURES
3.0V to 40V input Adjustable Output Voltage Current Limiting Output Switch Current to 1.5A Low Standby Current Operating Frequency to 100kHz Precision 2% Reference Application CD-ROM Motherboards SMPS Power Supply Battery Chargers DSL Modem SCHEMATIC DIAGRAM 8 Driver Collector S R 7 Ipk Sense Ipk Oscillator CT 6 VCC 100 Q Q2 Q1 1 Switch Collector 2 Switch Emitter 3 Comparator + 1.25V Reference Regulator Timing Capacitor 5 Comparator Inverting Input (Bottom View) 4 GND GM34063 1 V0.1 Power Management MICROELECTRONICS A A GM34063 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT MARKING INFORMATION & PIN CONFIGURATIONS (TOP VIEW) SOP-8 Ipk Sense Driver Collector VCC Comparator Inventing Input Ipk Sense Driver Collector DIP - 8 VCC Comparator Inven...
Gamma Microelectronics
