Name: 700V Integrated Power Switch with 130kHz frequency and no bias winding for 2.5W offline flyback converters
Brand: 700V Integrated Power Switch with 130kHz frequency and no bias winding for 2.5W offline flyback converters
SKU: FSQ500L

700V Integrated Power Switch with 130kHz frequency and no bias winding for 2.5W offline flyback converters

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The FSQ500L is specially designed for a replacement of linear power supplies with low cost. This device combines current-mode Pulse Width Modulator (PWM) with a senseFET. The integrated PWM controller features include: a fixed oscillator, Under Voltage Lockout (UVLO) protection, Overload Protection (OLP), Leading-Edge Blanking (LEB), an optimized gate turn-on/turn-off driver, Thermal Shutdown (TSD) protection with hysteresis, and temperature-compensated precision-current sources for loop compensation. When compared to a linear power supply, the FSQ500L device reduces total size and weight, while increasing efficiency, productivity, and system reliability. This device provides a basic platform for cost-effective flyback converters

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Single Chip 700V SenseFET Power Switch
Precision Fixed Operating Frequency: 130kHz
No-load consumption 250mW at 265V_AC with Burst Mode and Down to 60mW with External Bias
Internal Startup Switch
Soft-Start Time Tuned by External Capacitor
Under-Voltage Lockout (UVLO) with Hysteresis
Pulse-by-Pulse Current Limit
Overload Protection (OLP) and Internal Thermal Shutdown Function (TSD) with Hysteresis
Auto-Restart Mode
No Need for Auxiliary Bias Winding

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FSQ500L

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Offline Regulators | FSQ500L

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