SSL21151T - NXP Semiconductors

SSL21151T Low-cost non-dimmable LED driver IC

The SSL2115X is a low-cost non-dimmable LED driver IC. It is designed to drive LEDs in isolated flyback or non-isolated buck-boost topologies. The device includes a high-voltage power switch and a circuit enabling start-up directly from the rectified mains voltage. It has a good controlled output current. 2. Features and benefits  Compact solution with a sm.

Features

 Compact solution with a small form factor and a low component count
 Ease of integration
 Primary side sensing (no optocoupler required)
 True current source behavior:  LED current independent of mains voltage, LED voltage and temperature variation  LED current accuracy (10 %)  Line regulation: 3 % at 230 V 10 %  Load regulation: 3 % between 0.5  Umax and 0.85  Umax
 Efficiency up to 86 % depending on the application www.DataSheet.net/
 Power Factor 0.6 or ~0.9 using valley fill
 Low ripple current < 1 %
 Internal protections:  OverTemperature Protection (OTP)  LED short pr.