LTC3219 Datasheet, PDF (7/20 Pages) Linear Technology – 250mA Universal Nine Channel LED Driver

BLOCK DIAGRAM
V_BAT
18
DV_CC
7
ENU
10
SDA
9
SCL
8
LTC3219
850kHz
OSCILLATOR
20
17
19
16
C1P C1M C2P C2M
CHARGE PUMP
GND
15
CPO
1
1.22V
CONTROL
LOGIC
MASTER/SLAVE
REG
SHIFT REGISTER
9
9 UNIVERSAL
CURRENT SOURCES
AND DACS
U1
2
U2
3
U3
4
U4
5
U5
6
U6
11
U7
12
U8
13
U9
14
3219 BD
3219fa
7