LT3753MPFE#PBF

LT3753 is a current mode PWM controller optimized for an active clamp forward converter topology, allowing upto 100V input operation. A programmable volt-second clamp allows primary switch duty cycles above 50% for high switch, transformer and rectifier utilization. Active clamp control reduces switch voltage stress and increases efficiency. A synchronous output is available for controlling secondary side synchronous rectification. It is widely used in application such as industrial, automotive and military systems, 48V telecommunication isolated power supplies etc.

• Input voltage range is 8.5V to 100V
• Programmable volt-second clamp
• Short-circuit (hiccup mode) overcurrent protection
• Programmable soft-start/stop
• Programmable OVLO and UVLO with hysteresis
• Synchronizable to an external clock
• Programmable frequency range is 100KHz to 500KHz)
• VIN quiescent current is 5.9mA typical
• Operating temperature is -55°C to 150°C
• Package style is 38-lead plastic TSSOP

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