SSL1623PH

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© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 02 — 13 September 2010

3 of 18

NXP Semiconductors

SSL1623PH

SMPS IC for mains LED drivers

6.

Block diagram

Fig 1.

Block diagram of SSL1623PH

014aaa566

PROTECTION

LOGIC

LOGIC

SUPPLY

SSL1623PH

VALLEY

RESET

THERMAL

SHUTDOWN

OSCILLATOR

stop

low freq

100 mV

0.75 V

0.5 V

blank

short winding

overcurrent

10

×

2.5 V

f

1.8

U

3

4

5

6

14

1, 2, 7, 9,

10, 13,

15, 16

12

11

DRAIN

n.c.

GND

8

SGND

SOURCE

AUX

REG

RC