SSL2102_1

© NXP B.V. 2009. All rights reserved.

Product data sheet

Rev. 01 — 29 June 2009

4 of 21

NXP Semiconductors

SSL2102

SMPS IC for dimmable LED lighting

7.

Pinning information

7.1 Pinning

7.2 Pin description

Fig 2.

Pin configuration SO20

SSL2102

SBLEED

DRAIN

GND

GND

GND

GND

WBLEED

GND

GND

GND

SOURCE

GND

GND

BRIGHTNESS

AUX

RC2

ISENSE

RC

PWMLIMIT

014aaa807

1

2

3

4

5

6

7

8

9

10

12

11

14

13

16

15

18

17

20

19

Table 3.

Pin description

Symbol

Pin

Description

SBLEED

1

drain of internal strong bleeder switch

GND

2

ground

GND

3

ground

WBLEED

4

drain of internal weak bleeder switch

5

supply voltage

GND

6

ground

GND

7

ground

BRIGHTNESS

8

brightness input

RC2

9

setting for frequency reduction

RC

10

frequency setting

PWMLIMIT

11

PWM limit input

ISENSE

12

current sense input for WBLEED

AUX

13

Input for voltage from auxiliary winding for timing

(demagnetization)

GND

14

ground

SOURCE

15

source of internal power switch

GND

16

ground

GND

17

ground

GND

18

ground

GND

19

ground

DRAIN

20

drain of internal power switch; input for start-up current and valley

sensing