FSQ0565RQWDTU Q0565R Converter Offline Flyback Topology 48kHz ~
67kHz TO-220F-6L
Description
A Quasi-Resonant Converter (QRC) generally shows lower EMI and
higher power conversion efficiency than a conventional
hard-switched converter with a fixed switching frequency. The
FSQ-series is an integrated Pulse-Width Modulation (PWM) controller
and SenseFET specifically designed for quasi-resonant operation and
Alternating Valley Switching (AVS). The PWM controller includes an
integrated fixed-frequency oscillator, Under-Voltage Lockout
(UVLO), LeadingEdge Blanking (LEB), optimized gate driver, internal
softstart, temperature-compensated precise current sources for a
loop compensation, and self-protection circuitry. Compared with a
discrete MOSFET and PWM controller solution, the FSQ-series can
reduce total cost, component count, size, and weight; while
simultaneously increasing efficiency, productivity, and system
reliability. This device provides a basic platform for
cost-effective designs of quasi-resonant switching flyback
converters.
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 650V |
| Topology | Flyback |
| Voltage - Start Up | 12V |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 20V |
| Duty Cycle | - |
| Frequency - Switching | 48kHz ~ 67kHz |
| Power (Watts) | 80W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short
Circuit |
| Control Features | Sync |
| Operating Temperature | -25°C ~ 85°C |
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