SSL2103 is a Switched Mode Power Supply (SMPS) controller IC designed for LED lighting applications. It is an extension of the NXP SSL2101/SSL2102 product platform, allowing easy design of derivative applications. When used in combination with a phase cut dimmer connected directly to a rectified mains, it provides dimmability to the application. In dimmer applications, integrated dedicated circuitry optimizes the dimming curve.

The SSL2103: gives the application designer flexibility permitting the control of an external power switch to allow the IC to provide any power and external bleeder transistors to provide extended dimmer interoperability. The device includes a circuit that allows start-up directly from the rectified mains voltage.

Features and benefits

  • Easy migration to existing lighting control infrastructures, TRIAC and transistor dimmers
  • Supports majority of available dimming solutions
  • Valley switching efficiency is optimized by built-in dedicated circuitry Built-in demagnetization detection
  • Built-in demagnetization detection
  • The IC has built-in OverTemperature Protection (OTP)
  • Short-Winding Protection (SWP) and OverCurrent Protection (OCP)
  • Internal VCC generation allowing start-up from rectified mains voltage
  • Natural dimming curve by logarithmic correction
  • Limited external components required due to high integration level
  • Thermal enhanced SO20 wide body package


  • Retro-fit lamps
  • LED modules such as LED spots and down-lights
  • LED strings suitable for retail displays etc.

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Mfr Part#: SSL2103T/1,518
Mounting Method: Surface Mount
Package Style: SOIC-14
Available In: REEL

SSL2103 Series 28 V 130 kHz SMT Dimmable LED Driver SMPS IC Controller - SOIC-14


Technical Specifications:

Supply Voltage: Output Current per Channel: Switching Frequency-Max:
12 to 28 V 30 µA 130 kHz
See the Download Center for a complete library of supporting documentation.


$0.1090 USD (each)
2500+ $0.1090

Other quantities & packages (Reels) may also be available


Qty in Stock : 0
Reserve Stock:
Factory Stock: N/A
Factory Lead-Time: N/A
Min. Order Qty: 2,500
Multiple of: 2,500
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