
NXP Semiconductors
SSL1623PH
SMPS IC for mains LED drivers
6. Block diagram
V CC
GND
3
4
SSL1623PH
SUPPLY
LOGIC
VALLEY
14
1, 2, 7, 9,
10, 13,
15, 16
DRAIN
n.c.
100 mV
stop
RC
5
OSCILLATOR
THERMAL
SHUTDOWN
12
SOURCE
low freq
PROTECTION
f
POWER - UP
LOGIC
blank
RESET
1.8
U
overcurrent
REG
6
2.5 V
10 ×
0.5 V
11
AUX
short winding
SGND
Fig 1.
8
Block diagram of SSL1623PH
0.75 V
014aaa566
SSL1623PH
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 13 September 2010
? NXP B.V. 2010. All rights reserved.
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