MC34060A Datasheet (Motorola) - PULSE WIDTH MODULATOR CONTROLLER

MC34060A, PULSE WIDTH MODULATOR CONTROLLER

The MC34060A is a fixed *frequency pulse width modulation control circuit, incorporating the primary building blocks required for the control of a switching power supply (see Figure 1).

An internal *linear sawtooth oscillator is frequency *programmable by two external components

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 M

MC34060A Features

* ead time

* control input to a fixed voltage, ranging between 0 V to 3.3 V. The pulse width modulator comparator provides a means for the error amplifiers to adjust the output pulse width from the maximum percent on

* time, established by the dead time control input, down to zero, as the