DESCRIPTION
It can be used for step down, step-up or inverting switching regulators as well as for series pass regulators. SOP-8 FEATURES
*Operation from 3.0V to 40V. *Short circuit current limiting. *Low standby current. *Output switch current of 1.5A without external transistors. *Frequency of operation from 100Hz to 100kHz. *Step-up, step-down or inverting switch regulators. DIP-8 PIN CONFIGURATION Switch Collector Switch Emitter Timing Capacitor 1 8 Driver Collector 2 7 Lpk Sense 3 6 Vcc Gnd 4 5 Comparator Inverting input BLOCK DIAGRAM E SWITCH COLLECTOR T2 S Q R T1 SWITCH EMITTER D C Is A TIMING CAPACITOR CT OSCILLATOR 1 8 DRIVE COLLECTOR 2 7 Ipeak SENSE 3 6 Vcc COMP. GND 4 1.25Vref B 5 COMPARATOR INVERTING INPUT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R103-001,A UTC MC34063 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS
(Ta=25°C ) PARAMETER Supply Voltage Comparator input voltage range Switch collector voltage Switch Emitter Voltage Switch collector to emitter voltage Driver...
Unisonic Technologies
