Description
TOPSwitch-HX cost effectively incorporates a 700 V power MOSFET, high voltage switched current source, PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device.
Lower System Cost,Higher Design Flexibility
·Multi-mode operation maximizes efficiency at all loads
·New eSIP-7F and eSIP-7C packages
·Low thermal impedance junction-to-case (2C per watt)
·Low height is ideal for adapters where space is limited
·Simple mounting using a clip to aid low cost manufacturing
·Horizontal eSIP-7F package ideal for ultra low height adapter and monitor applications
·Extended package creepage distance from DRAIN pin to adjacent pin and to heat sink
·No heatsink required up to 35 W using P,G and M packages with universal input voltage and up to 48 W at 230 VAC
·Output overvoltage protection (OVP) is user programmable for latching/non-latching shutdown with fast AC reset
·Allows both primary and secondary sensing
·Line undervoltage(UV) detection prevents turn-off glitches
·Line overvoltage(OV) shutdown extends line surge limit
·Accurate programmable current limit
·Optimized line feed-forward for line ripple rejection
·132kHz frequency (254Y-258Y and all E/L packages) reduces transformer and power supply size
·Half frequency option for video applications
·Frequency jittering reduces EMI filter cost
·Heatsink is connected to SOURCE for low EMl
·Improved auto-restart delivers <3% of maximum power in
short circuit and open loop fault conditions
·Accurate hysteretic thermal shutdown function automatically
recovers without requiring a reset
·Fully integrated soft-start for minimum start-up stress
·Extended creepage between DRAIN and all other pins
improves field reliability
(Picture: Pinout)
