HomedatasheetTOP246YN

TOP246YN Datasheet

AC/DC Converters
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Description

TOP246YN witch-GX uses the same proven topology as TOPSwitch,cost effectively integrating the high voltage power MOSFET,PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost and improve design flexibility, performance and energy efficiency. TOP246YN Features • Extended power range for higher power applications• No heatsink required up to 34 W using P/G packages• Features eliminate or reduce cost of external components• Fully integrated soft-start for minimum stress/overshoot• Externally programmable accurate current limit• Wider duty cycle for more power, smaller input capacitor• Separate line sense and current limit pins on Y/R/F packages• Line under-voltage (UV) detection: no turn off glitches• Line overvoltage (OV) shutdown extends line surge limit• Line feed-forward with maximum duty cycle (DCMAX) reduction rejects line ripple and limits DCMAX at high line• Frequency jittering reduces EMI and EMI filtering costs• Regulates to zero load without dummy loading• 132 kHz frequency reduces transformer/power supply size• Half frequency option in Y/R/F packages for video applications• Hysteretic thermal shutdown for automatic fault recovery• Large thermal hysteresis prevents PC board overheating
Features

Parameters

[{"Name":"Output Voltage","Value":"12 V "},{"Name":"Input / Supply Voltage (Max)","Value":"265 VAC "},{"Name":"Input / Supply Voltage (Min)","Value":"85 VAC "},{"Name":"Switching Frequency","Value":"132 kHz "},{"Name":"Supply Current","Value":"2.2 mA "},{"Name":"Operating Temperature Range","Value":"- 40 C to + 150 C "},{"Name":"Mounting Style","Value":"Through Hole "},{"Name":"Package / Case","Value":"TO-220 "},{"Name":"Packaging","Value":"Tube "}]

Manufacturer information

MICROCHIP TECHNOLOGY

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.


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