超碰碰影院,97AV中文字幕,超碰午夜91

SDH790XSHT is designed for non-isolated LED driving with built-in high voltage power MOSFET and high voltage JFET. With this structure, inductor current is sensed and closed-loop is formed with the internal error amplifier for high constant current accuracy and high input/output regulation rate. Also, high PF in full range is available due to its own PFC control. Boundary Conduction mode is adopted for decreasing switching loss and improving the conversion efficiency.

SDH790XSHT can realize high power factor without any external integral capacitor.

Peripheral VCC pin and VCC capacitor (to GND) are unnecessary.

Over voltage protection threshold value is set through pin ROVP.

SDH790XSHT integrates various protections, such as output open circuit protection, output short circuit protection, cycle-by-cycle over current protection, and over temperature protection.

SDH790XSHT has ultra low start-up current and operating current, is able to high effectively drive highlight LED in full voltage input range.

Main feature

Proprietary constant control method (Patent)

High power factor without any external compensation capacitor (Patent)

Built-in high-voltage power supply

No peripheral VCC pin and VCC capacitor

Built-in high voltage power MOSFET and high voltage JFET

Constant current with high accuracy for LED (<±3%)

PF>0.9 in full voltage input range

Boundary-Conduction mode

LED short circuit protection

LED open circuit protection

Over current protection

Internal current reduction in high temperature condition

Ordering Information

Product Name	Package form	Marking	Hazardous Substance Control	Packing Type
SDH7902SHT	SOP-7-225-1.27	7902SHT	Halogen free	Tube
SDH7902SHTTR	SOP-7-225-1.27	7902SHT	Halogen free	Tape&Reel
SDH7903SHT	SOP-7-225-1.27	7903SHT	Halogen free	Tube
SDH7903SHTTR	SOP-7-225-1.27	7903SHT	Halogen free	Tape&Reel

Block Diagram

SDH790XSHT 英文（1440&720）.png

Documents

title	Types of	Size (KB)	date	Download the latest English version
SDH790XSHT		0	2022-10-25	SDH790XSHT Brief Datasheet

Packages

SOP-7-225-1.27

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