LTC3210-2 Datasheet, PDF (8/16 Pages) Linear Technology – MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm × 3mm QFN

LTC3210-2/LTC3210-3
BLOCK DIAGRAM
C1P
C1M
C2P
C2M
1
14
16
13
800kHz
OSCILLATOR
V_BAT 15
CHARGE PUMP
ENABLE CP
12 GND
2 CPO
1.215V
RM 8
ENM 3
500Ω
250k
50ns FILTER
1.215V
500Ω
RC 9
ENC 10
250k
50ns FILTER
TIMER
5- BIT
DOWN
COUNTER
ENABLE MAIN
5- BIT
LINEAR
DAC
TIMER
TIMER
3- BIT
DOWN
COUNTER
SHUTDOWN
ENABLE CAM
3- BIT
LINEAR
DAC
MLED
4
CURRENT
SOURCES
4 MLED1
5 MLED2
6 MLED3
7
MLED4
(LTC3210-2 ONLY)
CLED
CURRENT
SOURCE
11 CLED
321023 BD
321023fa
8