Texas Instruments UCC3895N, Quad PWM Controller, 1000 kHz 20-Pin, PDIP

From Texas Instruments, a range of Pulse Width Modulation controllers and associated devices to suit a variety of applications and specifications.

The Texas Instruments UCC3895 is a phase-shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. The device allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part is used either as a voltage-mode or current-mode controller.

Programmable-output turn-on delay
Adaptive delay set
Bidirectional oscillator synchronization
Voltage-mode, peak current-mode, or average current-mode control
Programmable soft start, soft stop, and chip disable via a single pin
0% to 100% duty-cycle control
7-MHz error amplifier
Operation to 1 MHz
Typical 5-mA operating current at 500 kHz
Very low 150-μA current during UVLO

PWM (Pulse Width Modulation) Controllers, Texas Instruments