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LED driver IC Non-isolate driver IC for LED-RM9282D

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LED driver IC Non-isolate driver IC for LED-RM9282D

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Non-isolated Buck LED Driver

Product:RM9282D

General Description

The RM9282D is a high precision non-isolated buckdriver, specially designed for 85VAC~265VAC inputnon-isolated constant current LED lighting.RM9282Dcan regulate the output current by switch on and offwith built_in three_stage dimming circuit. Operating in
critical conduction mode, the power MOSFETswitching loss is reduced and the inductor is fullyutilized.

The RM9282D integrates a 500V power MOSFET. Withfew external components, the LED output current canbe precisely controlled.

The RM9282D utilizes patent pending floating groundstructure. The inductor current is sensed during thewhole switching cycle. So it achieves high precisionoutput current control, and excellent line regulation andload regulation.

The RM9282D offers rich protection functions toimprove the system reliability, including LED opencircuit protection, LED short circuit protection, VCCunder voltage protection, CS resistor open circuitprotection and cycle by cycle current limit. All theprotection functions are auto-recovery. The systemreliability is further improved by the thermal regulationfunction. The output current is reduced when the driveris over temperature.

Features

Three_stage dimming regulation

Internal 500V Power MOSFET

System Efficiency up to 95%

3% LED Output Current Accuracy

Excellent Line and Load Regulation

Critical Conduction Mode Operation

Ultra Low (30uA) Start Up Current

Ultra Low (300uA) Operating Current

LED Short/Open Protection

Current Sensing Resistor Open Protection

Cycle by Cycle Current Limit

VCC Under Voltage Protection

Auto Fault Recovery

Thermal Regulation Function

Available in DIP-8 Package

三、Applications

LED Bulb, Spot Light

T8/T5LED String

Other LED Lighting

四、Package/Order Information

五、Typical Application

FREE HOT LINE:+86-400-788-7770

Tel:+86-769-81150556Mob:+86-18929103949 Ms Tang

Tel: +86-769-85638990Mob:+86-13725767930 Ms Zhao

Email: dgzm699@163.com QQ:2057045156Fax:+86-769-83351643

Head office: No.8, Yanhe East Street, Ailingkan Village, Dalingshan Town, Dongguan City, Guangdong Province, China

Foshan office: No.169 Rongqi Road,Ronggui Village,Shunde District,Foshan City,Guangdong Province,China

Shenzhen office:Baifuhui Industrial Park,Jianshedonglu Road,Longhua District,Shenzhen City,Guangdong Province,China

Zhongshan office:Shijihaoting,Longchang Road,Dongsheng Village,Zhongshan City,Guangdong Province,China

Hangzhou office:Jiangnanmoka,Wenyan Village,Xiaoshan District,Hangzhou City,Zhejiang Province,China

Office Website: www.topctc.com


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