
NXP Semiconductors
SSL2103
Dimmable Greenchip controller for LED lighting
6. Block diagram
SB_DRV
ISENSE
WB_DRV
HVDET
9
1
2
14
BLEEDER
V CC
3
SUPPLY
13
DRAIN
VALLEY
GND
4
LOGIC
10
AUX
100 mV
Stop
12
PWR_DRV
RC
7
OSCILLATOR
Low freq
THERMAL
Blank
SHUTDOWN
PROTECTION
11
SOURCE
LOGIC
BRIGHTNESS
5
FREQUENCY
POWER - UP
RESET
0.5 V
REDUCTION
RC2
6
CIRCUIT
1.5 V
PWMLIMIT
8
PWM
LIMIT
CIRCUIT
Overcurrent
Short-winding protection
SSL2103
001aam651
Fig 1.
Block diagram
SSL2103
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.2 — 5 December 2011
? NXP B.V. 2011. All rights reserved.
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