PRODUCT DATASHEET
AAT3177
TM
ChargePump
High Current, High Efficiency Charge Pump with Auto-Timer
Evaluation Board Schematic
DC+
DC-
J1
VIN
C4
4.7μF
U1
C1
1μF
AAT3177
1
2
3
4
5
6
12
11
10
9
VIN
C1+
C1-
GND
F1
VIN
VOUT
C2+
C2
1μF
C3
2.2μF
C2-
8
CT
7
RSET EN/SET
R8
187K
R8 = 187K
for 600mA
C5
0.1μF
D1
OSRAM OPTO
Ceramos Flash LED
LW C9SP
R6
100K
J2
DC+
R7
220
U2
R5
R3 R2 R1
1K 1K 1K
1
2
3
4
8
7
6
5
330
C6
1uF
VDD
GP5
GP4
GP3
VSS
VR4
POT10K
DATA
GP0
GP1
GP2
SW3
LED7
RED
FLASH
MOVIE
SW2
SW1
PIC12F675
Figure 7: AAT3177 Evaluation Board Schematic.
Evaluation Board Component Listing
Component
Part Number
Description
Manufacturer
U1
U2
D1
R1-R3
C1-C2
C3
C4
C5
C6
R5
AAT3177
PIC12F675
LW C9SP
Chip Resistor
GRM18x
GRM18x
GRM18x
GRM18x
GRM31x
Tri-Mode High Eff. CP for White LED Flash; DFN33-12 Package
8-bit CMOS, FLASH-based μC; 8-pin PDIP Package
Ceramos TopLooker, High Brightness Flash LED
1K, 5%, 1/4W; 1206
AnalogicTech
Microchip
OSRAM OPTO
Vishay
1.0μF, 10V, X5R, 0603, Ceramic
2.2μF, 10V, X5R, 0603, Ceramic
4.7μF, 6.3V, X5R, 0603, Ceramic
0.1μF, 16V, X7R, 0603, Ceramic
1.0μF, 10V, X5R, 1206, Ceramic
330, 5%, 1/4W; 1206
100K, 5%, 1/4W; 1206
220, 5%, 1/4W; 1206
187K, 1%, 1/10W; 0603
10K POT; 3mm Squared SMD
Red LED; 1206
Murata
Murata
Murata
Murata
Murata
Vishay
Vishay
Vishay
Chip Resistor
Chip Resistor
Chip Resistor
Chip Resistor
EVN-5ESX50B14
CMD15-21SRC/TR8
PRPN401PAEN
PTS645TL50
R6
R7
R8
Vishay
VR4
LED7
J1-J2
SW1-SW3
Panasonic-ECG
Chicago Miniature Lamp
Sullins Electronics
ITT Industries
Conn. Header, 2mm
Switch Tact, SPST, 5mm
w w w . a n a l o g i c t e c h . c o m
3177.2008.06.1.0
15
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
