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NXP series
The SSL2102 - dimmable LED constant current program.
分类：NXP series 来源：网络 发布：2013-03-27 22:03:18
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General description The SSL2102 is a Switched Mode Power Supply (SMPS) driver IC that operates in combination with a phase cut dimmer directly from rectified mains. It is designed to drive LED devices. The device includes a high-voltage power switch, a circuit to allow direct start-up from the rectified mains voltage and a high-voltage circuitry to supply the phase cut dimmer. For dimmer applications, an 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 to: – Use an external power switch to allow the IC to provide any power – Use external bleeder transistors to provide extended dimmer interoperability Features and benefits ● Easy migration to existing lighting control infrastructure ● Supports most available dimming solutions ● Optimized efficiency with valley switch ing managed by a built-in circuitry ● Demagnetization detection ● OverTemperature Protection (OTP) ● Short-Winding Protection (SWP) and Over Current Protection (OCP) ● Internal VCC generation allowing start-up from the rectified mains voltage ●Natural dimming curve by logarithmic correction, down to 1 % ● Limited external components required because of the high integration level ● Thermal enhanced SO20 wide body package ● Suitable for flyback and buck applications
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