Linear Technology Corporation announces the LT3753, a primary side, current-mode PWM controller optimized for use in a synchronous forward converter with active clamp reset. The LT3753 operates over an input voltage range of 8.5V to 100V, delivers up to 95% efficiency and is targeted for power levels up to 400W. A programmable volt-second clamp provides a safeguard for transformer reset that prevents saturation and protects the MOSFET. This function allows for transformer and MOSFET optimization, resulting in a reduced solution size.
The device output voltage regulates to ±5% without the use of an optocoupler. When an optocoupler is used, ±1.5%
The device output voltage regulates to ±5% without the use of an optocoupler. When an optocoupler is used, ±1.5%
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