SSL2103

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© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 2 — 25 November 2010

4 of 21

NXP Semiconductors

SSL2103

SMPS controller IC for dimmable LED lighting

7.

Pinning information

7.1 Pinning

7.2 Pin description

Fig 2.

Pin configuration SO14

SSL2103

SB_DRV

HVDET

WB_DRV

DRAIN

PWR_DRV

GND

SOURCE

BRIGHTNESS

AUX

RC2

ISENSE

RC

PWMLIMIT

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1

2

3

4

5

6

7

8

10

9

12

11

14

13

Table 3.

Pin description

Symbol

Pin

Description

SB_DRV

1

strong bleeder switch drive

WB_DRV

2

weak bleeder switch drive

3

supply voltage

GND

4

ground

BRIGHTNESS

5

brightness input

RC2

6

setting for frequency reduction

RC

7

frequency setting

PWMLIMIT

8

PWM limit input

ISENSE

9

current sense input for WBLEED

AUX

10

input for voltage from auxiliary winding for timing (demagnetization)

SOURCE

11

current sense input of external power switch

PWR_DRV

12

power switch drive

DRAIN

13

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

HVDET

14

input for high voltage sensing