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SSL2103

NXP Semiconductors
Part Number SSL2103
Manufacturer NXP Semiconductors
Description SMPS controller
Published Dec 4, 2010
Detailed Description SSL2103 SMPS controller IC for dimmable LED lighting Rev. 2 — 25 November 2010 Product data sheet 1. General descriptio...
Datasheet PDF File SSL2103 PDF File

SSL2103
SSL2103

Overview
SSL2103 SMPS controller IC for dimmable LED lighting Rev.
2 — 25 November 2010 Product data sheet 1.
General description 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.
• SSL2101: fully integrated LED driver for lamps up to 10 W • SSL2102: fully integrated LED driver for lamps up to 25 W • SSL2103: gives the application designer flexibility permitting the: – control of an external power switch to allow the IC to provide any power – control of external bleeder transistors to provide extended dimmer interoperability The device includes a circuit that allows start-up directly from the rectified mains voltage.
2.
Features and benefits  Easy migration to existing lighting control infrastructures, TRIAC and transistor dimmers  Compatible with most dimming solutions  Optimized efficiency with valley switching managed by built-in circuitry  Built-in demagnetization detection  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, optimized for human eye response, down to 1 % 3.
Applications The SSL2103 is suitable for various power requirements including:  Retro-fit lamps  LED modules such as LED spots and down-lights  LED strings suitable for retail displays etc.
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DataSheet.
in NXP Semiconductors SSL2103 SMPS controller IC for dimmable LED lighting 4.
Quick reference data Table 1.
Symbol VCC fosc IDRAIN min max Tamb [1] Quick reference data Parameter supply voltage oscillator frequency current on pin D...


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