SSL5021BTS datasheet(2/20 Pages) NXP

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SSL5021BTS

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Product data sheet

Rev. 2 — 11 March 2015

2 of 20

NXP Semiconductors

SSL5021BTS

Compact low-ripple buck LED driver IC

 Thermal foldback protection via a single PTC or NTC resistor

 Compatible with wall switches with built-in standby indicator lights (Hotaru switch)

 Extended IC lifetime

Applications

 The SSL5021BTS is intended for low-cost, non-isolated LED lighting applications with

accurate fixed current output up to 25 W for single mains or universal mains voltage

(90 V (AC) to 277 V (AC)).

Quick reference data

[1]

An internal clamp sets the supply voltage. The current into the VCC pin must not exceed the maximum IVCC

value (see Table 4).

Ordering information

Table 1.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCC

supply voltage

operating range

[1] 9.5

RDSon

on-state resistance

of internal switch

Tj =25 C

0.75

0.90



Tj =125 C-

1.20



II(SW)

input current in pin SW triangle wave;

duty cycle < 20 %

2-

VI(SW)

input voltage on pin

current limited at

8.8 mA;

internal switch off

0.4

+22

Table 2.

Ordering information

Type number

Package

Name

Description

Version

SSL5021BTS

TSOP6

plastic surface-mounted package; 6 leads

SOT457

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