SSL1623PH

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Product data sheet

Rev. 02 — 13 September 2010

4 of 18

NXP Semiconductors

SSL1623PH

SMPS IC for mains LED drivers

7.

Pinning information

7.1 Pinning

7.2 Pin description

Fig 2.

Pin configuration

SSL1623PH

n.c.

n.c.

n.c.

n.c.

DRAIN

GND

n.c.

RC

SOURCE

REG

AUX

n.c.

n.c.

SGND

n.c.

014aaa345

1

2

3

4

5

6

7

8

10

9

12

11

14

13

16

15

Table 3.

Pin description

Symbol

Pin

Description

3

supply voltage

GND

4

ground

RC

5

frequency setting

REG

6

regulation input

SGND

8

signal ground; preferably connect to pin GND

AUX

11

input for voltage from auxiliary winding for timing (demagnetization)

SOURCE

12

source of internal Metal-Oxide Semiconductor (MOS) switch

n.c.

1, 2, 7, 9, 10,

13, 15, 16.

not connected

DRAIN

14

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

sensing