NXP Semiconductors
SSL21081T/2T/3T/4T
GreenChip drivers for LED lighting
? No over or undershoots in the LED current
?
?
?
?
No binning on LED forward voltage required
Internal Protections:
? UnderVoltage LockOut (UVLO)
? Leading-Edge Blanking (LEB)
? OverCurrent Protection (OCP)
? Short-Winding Protection (SWP)
? Internal OverTemperature Protection (OTP)
? Brownout protection
? Output Short Protection (OSP)
Low component count (see Figure 4 ) LED driver solution:
? No Schottky diode required due to ZCS
? No dim switch and high-side driver required for PWM dimming
? Easy external temperature protection with a single NTC resistor
? Option for soft-start function
? Compatible with wall switches with built-in indication light during standby 1
IC lifetime easily matches or surpasses LED lamp lifetime
3. Applications
SSL2108X products are intended for compact LED lighting applications with accurate
fixed current output for single mains input voltages. Mains input voltages include 100 V,
120 V and 230 V (AC). The output signal can be modulated using a PWM signal.
1.
The Hotaru switch is a well known wall switch with built-in light
SSL21081T_2T_3T_4T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3.1 — 22 February 2012
? NXP B.V. 2012. All rights reserved.
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