ZVS Full-Bridge Current-Mode PWM With Adjustable Synchronous Rectifier Control

The ISL6752 is a high-performance, low-pin-count alternative zero-voltage switching (ZVS) full-bridge PWM Controller Like Intersils ISL6551 it achieves ZVS operation by driving the upper bridge FETs at a fixed 50% duty cycle while the lower bridge FETs are trailing-edge modulated with adjustable resonant switching delays. Compared to the more familiar phase-shifted control method, this algorithm offers equivalent efficiency and improved overcurrent and lightload performance with less complexity in a lower pin count package.
The ISL6752 features complemented PWM outputs for synchronous Rectifier (SR) control. The complemented outputs may be dynamically advanced or delayed relative to the PWM outputs using an external control voltage.
This advanced BiCMOS design features precision deadtime and resonant delay control, and an Oscillator adjustable to 2MHz operating frequency. Additionally, Multi-Pulse Suppression ensures alternating output pulses at low duty cycles where pulse skipping may occur.
By Intersil Corporation
ISL6752 's PackagesISL6752 's pdf datasheet
ISL6752AAZA QSOP
ISL6752AAZA-T QSOP




ISL6752 Pinout, Pinouts
ISL6752 pinout,Pin out
This is one package pinout of ISL6752,If you need more pinouts please download ISL6752's pdf datasheet.

ISL6752 Application circuits
ISL6752 circuits
This is one application circuit of ISL6752,If you need more circuits,please download ISL6752's pdf datasheet.


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