SSL2109T

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 2 — 26 April 2012

3 of 19

NXP Semiconductors

SSL2109T

GreenChip controller for LED lighting

6.

Block diagram

Fig 1.

Block diagram SSL2109T

aaa-001925

NTC

FUNCTION

SUPPLY:

INTERNAL

REGULATOR

AND

BANDGAP

VALLEY

DETECTION

dV/dT

SUPPLY

LOGIC

CONTROL

AND

PROTECTION

SWP

OCP

THERMAL

SHUTDOWN

POR

LOGIC

JFET

HV

VCC

NTC

GND

SOURCE

DRIVER

DRAIN

DVDT

4

5

8

6

1

2

3

7

TONMAX

BLANK

TOFFMAX

1.5 V

0.5 V < > 0.25 V