AAT3192 Datasheet, PDF (15/17 Pages) Advanced Analogic Technologies – Low-Cost, 2-/3-Channel Charge-Pump LED Drivers

Evaluation Board Schematic
DC- DC+
VIN
J1
C2
1μF
GND
D1 D2 D3
JPx
JP5 C1
1μF
1 _D1
D2 ¹⁰
2 _{OUT D3} 9
3 _C-
GND ⁸
4 _{C+ RSET} 7
5 _{IN EN/SET} 6
C3 U1 AA T3193
1μF
GND
R1
14.3k
GND
AAT3192/93
Low-Cost, 2-/3-Channel
Charge-Pump LED Drivers
R7
220
J2
R6
100K
VIN
GND
CYCLE
0
2
4
UP
0
2
4
DOWN
0
2
4
SW3
1
3
5
SW2
1
3
5
SW1
1
3
5
R3 R2 R1
1K 1K 1K
GND
Evaluation Board Layout
U2
1 _{VDD VSS} 8
2 _{GP5 GP0} 7
3 _{GP4 GP1} 6
4 _{GP3 GP2} 5
PIC12F675
C5
VR4
1μF
POT10K
R5
330
LED7
RED
R4
330 GND
GND
LED0
GRN
GND
Figure 8: AAT3193 Evaluation Board
Top Side Layout.
3193.2007.05.1.0
Figure 9: AAT3193 Evaluation Board
Bottom Side Layout.
15