AAT3171 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT3171' PDF : 19 Pages View PDF
AAT3171
High Current, High Efficiency
Charge Pump with Auto-Timer
Evaluation Board Schematic
DC-
DC+
J1
VIN
C4
4.7µF
OSRAM OPTO
Ceramos Flash LED
LW C9SP
C1
1µF
R8
D1 187K
U1
AAT3171
1
2
3
4
5
6
VIN
C1+
C1-
GND
F1
RSET
VIN
VOUT
C2+
C2-
CT
EN/SET
12
11
10
9
8
7
R8 = 187K
for 600mA
J2
C2
C3
1µF
2.2µF
C5 Insert C5 for
0.1µF AAT3171 only.
No C5 for
AAT3174.
R6
100K
DATA
FLASH
MOVIE
R7
220
R3 R2 R1
1K 1K 1K
SW3
SW2
SW1
U2
1
2
3
4
VDD
GP5
GP4
GP3
VSS
GP0
GP1
GP2
8
7
6
5
PIC12F675
DC+
R5
C6 330
VR4
POT10K
1uF
LED7
RED
Figure 7: AAT3171 Evaluation Board Schematic.
16
3171.2007.03.1.1
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