ICE5QSBG
Overview
5th generation quasi-resonant flyback controller
Infineon's 5th generation quasi-resonant flyback PWM controller offers high performance and comprehensive suite of protection to increase system robustness.
Summary of Features
- 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
- VCC pin short to ground protection
- OLP, output short, output over-voltage, OTP with hysteresis and VCC over/under voltage protection
- Auto-restart for all protection features
Benefits
- 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
Potential Applications
- 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
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