ICE5QSBG

概要

5^th generation quasi-resonant flyback controller

Infineon's 5^th generation quasi-resonant flyback PWM controller offers high performance and comprehensive suite of protection to increase system robustness.

特長

Novel quasi-resonant switching scheme
Rapid and adjustable start-up with cascode configuration
2-level selectable active burst mode level
Built-in digital soft-start
Cycle-by-cycle peak current limitation
Digital frequency reduction with decreasing load for higher efficiency
Adjustable line input over-voltage and brown IN/OUT protection
V_CC pin short to ground protection
OLP, output short, output over-voltage, OTP with hysteresis and V_CC over/under voltage protection
Auto-restart for all protection features

利点

High efficiency with latest CoolMOS™ P7 family and quasi-resonant switching scheme
Auto-restart recovery scheme to minimize interruption to system operation
Extensive protection coverage to increase system robustness
Rapid start-up performance with cascode configuration

推奨アプリケーション例

Offline aux SMPS for server, PC power, aircon, refrigerator and audio
Offline main SMPS for adapter, set-top-box, water purifier, TV, industrial SMPS and POE