LED Driver IC

Introduction

The DS9903 is a 50W linear multi-step LED driver IC designed for running LEDs directly from AC line. No complicated AC/DC converter. This is an easier and more efficient way to light up LED lamps than the switching types.

Output power

Unrestricted

Input voltage

110~120VAC / 200 ~240 VAC

Dimming

TRIAC, PWM, Analog

Adjustable LED current

10mA~300mA

AC direct drive input

7 steps or 15 steps

Power efficiency

>90%

Power factor

>0.9

THD

<35%

Over-temperature protection

Yes 150˚C

Over-voltage protection

Yes

Operating temperature

40˚~85˚C

Operating voltage

-0.7~600V

EMI

No.

Paring electronic parts

12

PINs

16 Pin 5X6mm

Package

SSOP16TP

Applications

LED Bulb, LED Tube, LED Panel Lighting, LED Street Lighting, LED Bay Lighting, LED Flood Lighting, etc.

Features

-          Low IC power consumption

-          High efficiency

-          Low IC temperature

-          LEDs can be uniformly illuminated even from    different production lots

Patent

China, USA, Taiwan, Japan