ICE5QSBG Datasheet (Infineon) - Quasi-Resonant Controller

ICE5QSBG, Quasi-Resonant Controller

The Quasi-Resonant, ICE5QSBG is the 5th generation of quasiresonant controller optimized for off-line switch power supply in cascode configuration.

The improved digital frequency reduction with proprietary novel Quasi-Resonant operation offers lower EMI and higher efficiency for wide AC range by red

ICE5QSBG Quasi-Resonant Controller Product Highlights Novel Quasi-resonant operation and proprietary implementation for low EMI Enhanced Active Burst Mode with selectable entry and exit standby power Active Burst Mode to reach the lowest standby power <100 mW Fast startup achieved with cascode configuration Digital frequency reduction for better overall system efficiency Robust line protection with input OVP and brownout Comprehensive protection

ICE5QSBG Features

* Applications PG-DSO-8

* Minimum switching frequency difference between low & high line for higher efficiency & better EMI

* Enhanced Active Burst Mode with selectable entry and exit standby power

* Active Burst Mode to reach the lowest standby power