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Discrete Divice
LVMOS
Planar LVMOS Normal Trench LVMOS Split Gate Trench LVMOS Automotive MOSFET
HVMOS
Planar HVMOS Multi-Epi DPMOS Trench DPMOS
IGBT
Planar IGBT Trench IGBT SiC Hybrid IGBT RC IGBT
SiC
SiC MOS
Diode
FRD
IPM
DIP2V/SOP2V
DIP-23/SOP-23
DIP-24
DIP-25
DIP-26
DIP-27
DIP-29
SOP30
SOP-37
IGBT Module
Industrial Module
Automobile module
AC-DC Converter
SSR Flyback Controller IC
PSR Flyback Controller IC
Synchronous Rectifier IC
Non-isolated BUCK/BUCK-BOOST IC
PFC IC
Fast Charging IC
Power Bank Fast Charger IC
Car Charger IC
AC-DC Fast Charging Protocol IC
DC-DC Converter
DC-DC Converter IC
PoE IC
LED Lighting Driver
Dimming LED Lighting Driver
Non-dimming LED Lighting Driver
Gate Driver IC
Three-phase Half Bridge Driver
Half Bridge Driver
PFC IGBT Gate Driver
MEMS Sensor
Triaxial Acceleration Sensor
Six- Axis Inertial Sensor
Proximity Detection and Digital Ambient Light Sensor
Heart Rate Sensor
Silicon Microphone Sensor
MCU IC
8bit MCU
32bit MCU
Integrated Driver MCU
Digital Audio/Video
CD SERVO
Audio Decode
Audio Effects Processing
Intelligent Audio
ASIC
Bipolar PWM Controller
Bipolar DC-DC
LDO
Volume and Sound Control Circuit
DC Drive Circuit
Darlington Circuit
Logic circuit
Optional Amplifier
Comparator
Reference IC
Linear Regulator
Audio Circuit
Logic & Switches
Gate
Buffer/Driver
Voltage Level Translators
Flip-flops/Latches/Registers
Other Logic IC
LED Chip
GaN
GaAs
Discrete Divice
LVMOS
Planar LVMOS Normal Trench LVMOS Split Gate Trench LVMOS Automotive MOSFET
HVMOS
Planar HVMOS Multi-Epi DPMOS Trench DPMOS
IGBT
Planar IGBT Trench IGBT SiC Hybrid IGBT RC IGBT
SiC
SiC MOS
Diode
FRD
IPM
DIP2V/SOP2V
DIP-23/SOP-23
DIP-24
DIP-25
DIP-26
DIP-27
DIP-29
SOP30
SOP-37
IGBT Module
Industrial Module
Automobile module
AC-DC Converter
SSR Flyback Controller IC
PSR Flyback Controller IC
Synchronous Rectifier IC
Non-isolated BUCK/BUCK-BOOST IC
PFC IC
Fast Charging IC
Power Bank Fast Charger IC
Car Charger IC
AC-DC Fast Charging Protocol IC
DC-DC Converter
DC-DC Converter IC
PoE IC
LED Lighting Driver
Dimming LED Lighting Driver
Non-dimming LED Lighting Driver
Gate Driver IC
Three-phase Half Bridge Driver
Half Bridge Driver
PFC IGBT Gate Driver
MEMS Sensor
Triaxial Acceleration Sensor
Six- Axis Inertial Sensor
Proximity Detection and Digital Ambient Light Sensor
Heart Rate Sensor
Silicon Microphone Sensor
MCU IC
8bit MCU
32bit MCU
Integrated Driver MCU
Digital Audio/Video
CD SERVO
Audio Decode
Audio Effects Processing
Intelligent Audio
ASIC
Bipolar PWM Controller
Bipolar DC-DC
LDO
Volume and Sound Control Circuit
DC Drive Circuit
Darlington Circuit
Logic circuit
Optional Amplifier
Comparator
Reference IC
Linear Regulator
Audio Circuit
Logic & Switches
Gate
Buffer/Driver
Voltage Level Translators
Flip-flops/Latches/Registers
Other Logic IC
LED Chip
GaN
GaAs
SDH790XDHT
NON-ISOLATED LED LIGHTING DRIVE IC WITH BUILT-IN HIGH-VOLTAGE MOSFET, HIGH PFC AND HIGH CONSTANT CURRENT ACCURACY
Description Main feature Product specification classification Internal block diagram Technical documentation Relevant package outline drawing
SDH790XDHT 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.SDH790XDHT 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.SDH790XDHT integrates various protections, such as output open circuit protection, output short circuit protection, cycle-by-cycle over current protection, and over temperature protection.SDH790XDHT 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 supplyNo peripheral VCC pin and VCC capacitorBuilt-in high voltage power MOSFET and high voltage JFETConstant current with high accuracy for LED (<±3%)PF>0.9 in full voltage input rangeBoundary-Conduction modeLED short circuit protectionLED open circuit protectionOver current protectionInternal current reduction in high temperature condition


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SDH7903DHT DIP-8A-300-2.54 / Halogen free Tube
SDH7904DHT DIP-8A-300-2.54 / Halogen free Tube
Block Diagram

SDH790XDHT 英文（1440&720）.png

Documents
title Types of Size (KB) date Download the latest English version
SDH790XDHT 0 1970-01-01 SDH790XDHT Brief Datasheet