SSL21081T_2T_3T_4T

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© NXP B.V. 2011. All rights reserved.

Preliminary data sheet

Rev. 2 — 6 December 2011

4 of 24

NXP Semiconductors

SSL21081T/2T/3T/4T

GreenChip drivers for LED lighting

6.

Block diagram

7.

Pinning information

7.1 Pinning

Fig 1.

Block diagram SSL2108X

001aan694

JFET

HV

VCC

NTC

GND

DVDT

DRAIN

TONMAX

SOURCE

1.5 V

SUPPLY:

INTERNAL

REGULATOR

AND

BANDGAP

dV/dT

SUPPLY

VALLEY

DETECTION

TOFFMAX

LOGIC

TONMAX

BLANK

LOGIC

CONTROL

AND

PROTECTION

NTC

FUNCTION

THERMAL

SHUTDOWN

POR

0.5 V < >0.25 V

1 (1)

5 (9)

8 (12)

(8)

2 (3)

3 (4)

4 (5)

6, 7

(2, 6, 7, 10, 11)

Fig 2.

Pin configuration for SSL2108X

(SO8)

Fig 3.

Pin configuration for SSL2108X

(SO12)

SSL2108X

HV

DRAIN

SOURCE

GND

VCC

GND

NTC

DVDT

001aan702

1

2

3

4

6

5

8

7

SSL2108X

HV

DRAIN

GND

GND

SOURCE

GND

VCC

DVDT

NTC

TONMAX

GND

GND

001aan703

1

2

3

4

5

6

7

9

8

11

10

12