MC34060A

Order this document by MC34060A/D Precision SWITCHMODE™ Pulse Width Modulator Control Circuit The MC34060A is a low cost fixed frequency, pulse width modulation control circuit designed primarily for single–ended SWITCHMODE power supply control. The MC34060A is specified over the commercial operating temperature range of 0° to +70°C, and the MC33060A is specified over an automotive temperature range of –40° to +85°C. Complete Pulse Width Modulation Control Circuitry MC34060A MC33060A PRECISION SWITCHMODE PULSE WIDTH MODULATOR CONTROL CIRCUIT SEMICONDUCTOR TECHNICAL DATA On–Chip Oscillator with Master or Slave Operation On–Chip Error Amplifiers On–Chip 5.0 V Reference, 1.5% Accuracy Adjustable Dead–Time Control Uncommitted Output Transistor Rated to 200 mA Source or Sink Undervoltage Lockout 14 1 P SUFFIX PLASTIC PACKAGE CASE 646 PIN CONNECTIONS 14 1 Noninv Input Inv Input Compen/PWM Comp Input Dead–Time Control CT RT Ground 1 2 3 + Error Amp 1 – + Error 2 Amp – VCC 5.0 V ref Noninv 14 Input Inv 13 Input 12 Vref 11 N.C. 10 VCC D SUFFIX PLASTIC PACKAGE CASE 751A (SO–14) 0.1V 4 5 Oscillator 6 Q1 7 8 E 9 C Device MC34060AD MC34060AP MC33060AD (Top View) MC33060AP ORDERING INFORMATION Operating Temperature Range TA = 0° to +70°C TA = – 40° to +85°C Package SO–14 Plastic DIP SO–14 Plastic DIP Rev 1 © Motorola, Inc. 1996 MOTOROLA ANALOG IC DEVICE DATA 1 MC34060A MC33060A MAXIMUM RATINGS (Full operating ambient temperature range applies, unless otherwis...