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中

Home
Products
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Support
Quality
Investor Relations
Join us
About Silan

About Silan

News

Contact Us

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-Q25A

SDIP-26

DIP-27

DIP-29

SOP-30

SOP-37

DIP-T46A

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

Automotive LED Driver

Automotive Low-Voltage Motor Driver

Smart Power Switches

Gate Driver IC

Three-phase Half Bridge Driver

Single 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 & Switch & Level Shift

Operational Amplifier Circuit

Comparator

Reference IC

Linear Regulator

Audio Circuit

Interface ICs

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-Q25A

SDIP-26

DIP-27

DIP-29

SOP-30

SOP-37

DIP-T46A

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

Automotive LED Driver

Automotive Low-Voltage Motor Driver

Smart Power Switches

Gate Driver IC

Three-phase Half Bridge Driver

Single 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 & Switch & Level Shift

Operational Amplifier Circuit

Comparator

Reference IC

Linear Regulator

Audio Circuit

Interface ICs

LED Chip

GaN

GaAs

SDH698XRH _Datasheet

Description Main feature Product specification classification Internal block diagram Relevant package outline drawing

SDH698XRH is designed for non-isolated LED driving with floating Buck topology, built-in HV power MOSFET and depletion mode MOSFET are available. 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 as its own PFC control. Boundary Conduction mode is adopted for decreasing switching loss and improving the conversion efficiency.

SDH698XRH can realize high power factor without any external integral capacitor.

Furthermore, SDH698XRH has a built-in VCC regulator and a high-voltage power supply controller, which is able to supply power to VCC capacitor in a certain VCC range without any peripheral power supply or HV startup circuit, saving the system cost and area.

SDH698XRH integrates various protections, such as output open circuit protection, output short circuit protection, cycle-by-cycle over current protection, and over temperature protection.

SDH698XRH 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
Built-in VCC regulatorw Built-in HV power MOSFET and depletion mode MOSFET
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
VCC under voltage protection
Over temperature protection
Over current protection
Internal current reduction in high temperature condition
Current Foldback Protection

Ordering Information

Product Name	Package form	Marking	Hazardous Substance Control	Packing Type
SDH6981RH	SOP-8-225-1.27	19	Halogen free	Halogen free
SDH6981RHTR	SOP-8-225-1.27	19	Halogen free	Halogen free
SDH6982RH	SOP-8-225-1.27	29	Halogen free	Tube
SDH6982RHTR	SOP-8-225-1.27	29	Halogen free	Tape&Reel
SDH6983RH	SOP-8-225-1.27	6983RH	Halogen free	Tube
SDH6983RHTR	SOP-8-225-1.27	6983RH	Halogen free	Tape&Reel
SDH6984RH	SOP-8-225-1.27	9R	Halogen free	Tube
SDH6984RHTR	SOP-8-225-1.27	9R	Halogen free	Tape&Reel

Block Diagram

繪圖1.png

Packages

SOP-8-225-1.27

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