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SI9112

Part Number	SI9112
Manufacturer	Vishay Siliconix
Description	High-Voltage Switchmode Controller
Published	Apr 8, 2005
Detailed Description	Si9112 Vishay Siliconix High-Voltage Switchmode Controller FEATURES D 9- to 80-V Input Range D Current-Mode Control D H...
Datasheet	SI9112 PDF File

Overview

Si9112 Vishay Siliconix High-Voltage Switchmode Controller FEATURES D 9- to 80-V Input Range D Current-Mode Control D High-Speed, Source-Sink Output Drive D High Efficiency Operation (> 80%) D Internal Start-Up Circuit D Internal Oscillator (1 MHz) D SHUTDOWN and RESET DESCRIPTION The Si9112 is a BiC/DMOS integrated circuit designed for use in high-efficiency switchmode power converters.
A high-voltage DMOS input allows this controller to work over a wide range of input voltages (9- to 80-VDC).
Current-mode PWM control circuitry is implemented in CMOS to reduce internal power consumption to less than 10 mW.
A CMOS output driver provides high-speed switching of MOSPOWER devices large enough...

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