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SSL2101 Datasheet(PDF) 1 Page - NXP Semiconductors |
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SSL2101 Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 22 page  1. General description The SSL2101 is a Switched Mode Power Supply (SMPS) controller 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 and a circuit to allow start-up directly from the rectified mains voltage. Furthermore the device includes high-voltage circuitry to supply the phase cut dimmer. For dimmer applications, integrated dedicated circuitry optimizes the dimming curve. 2. Features I Easy migration to existing lighting control infrastructure, triac and transistor dimmers I Supports majority of available dimming solutions I Valley switching efficiency is optimized by built-in dedicated circuitry I Built-in demagnetization detection I The IC has built-in OverTemperature Protection (OTP) I Short-Winding Protection (SWP) and OverCurrent Protection (OCP) I The IC has internal VCC generation that allows start-up from rectified mains voltage I Natural dimming curve by logarithmic correction 3. Applications The SSL2101 is suitable for different power requirements, these include: I Retro-fit lamps, e.g. GU10, up to a maximum of 10 W I LED modules, separate power supplies, e.g. LED spots, down-lights, up to a maximum of 15 W I LED strings, e.g. retail display, up to a maximum of 15 W I Mains isolated LED drivers up to 10 W to 15 W (flyback topology) I Non mains isolate LED drivers (buck topology) with a maximum peak current of 900 mA and continuous LED current below 450 mA I LED lamps 1 W to 10 W (flyback) or 450 mA (buck) SSL2101 SMPS IC for dimmable LED lighting Rev. 04 — 28 August 2009 Product data sheet |
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