AAT3104 Datasheet, PDF (13/15 Pages) Advanced Analogic Technologies – Low Cost 1x/2x 4 Channel Charge Pump WLED Driver

ChargePump^TM
PRODUCT DATASHEET
AAT3104178
Low Cost 1x/2x 4 Channel Charge Pump WLED Driver
Evaluation Board Schematic
DC+
DC+
J1
VIN
C 12 3
DC-
10uF
C2
1µF
JP1
JP5
C1
1µF
D4 D3 D2 D1
JP2 JP3 JP4
U1
1 _D2
D3
10
2 _D1
D4
9
C-
C+
IN
3
4
5
OUT VIN
C- EN/SET
C+
GND
8
7
6
AAT3104
C3
EN
1µF
EN
S2C
R2
20K
C6
4.7µF
S1
UP
S2
DOWN
S3
CYCLE
R5 R4 R3
1K 1K 1K
S1
S2
S3
U2
PIC12F675
1
2
3
4
VDD
GP5
GP4
GP3
VSS
GP0
GP1
GP2
8
7
6
5
VR1
POT10K
C4 R7
0.1µF 330
LED2
Red
MCU Power
R6
330
LED1
Green
S2C
Figure 6: AAT3104 Evaluation Board Schematic.
Figure 6: AAT3104 Evaluation Board
Top Layer.
Figure 7: AAT3104 Evaluation Board
Bottom Layer.
3104.2008.09.1.0
www.analogictech.com
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