AAT3177 Datasheet, PDF (15/16 Pages) Advanced Analogic Technologies – High Current, High Efficiency Charge Pump with Auto-Timer

ChargePump^TM
PRODUCT DATASHEET
AAT3177
High Current, High Efficiency Charge Pump with Auto-Timer
Evaluation Board Schematic
DC-
DC+
J1
VIN
C4
4.7μF
U1
C1
AAT3177
1μF
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
OSRAM OPTO
Ceramos Flash LED
LW C9SP
R8 R8 = 187K
D1 ^{187K for 600mA}
J2
C2
C3
1μF
2.2μF
C5
0.1μF
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+
VR4
POT10K
R5
C6 ³³⁰
1uF
LED7
RED
Figure 7: AAT3177 Evaluation Board Schematic.
Evaluation Board Component Listing
Component
U1
U2
D1
R1-R3
C1-C2
C3
C4
C5
C6
R5
R6
R7
R8
VR4
LED7
J1-J2
SW1-SW3
Part Number
AAT3177
PIC12F675
LW C9SP
Chip Resistor
GRM18x
GRM18x
GRM18x
GRM18x
GRM31x
Chip Resistor
Chip Resistor
Chip Resistor
Chip Resistor
EVN-5ESX50B14
CMD15-21SRC/TR8
PRPN401PAEN
PTS645TL50
Description
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
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
Conn. Header, 2mm
Switch Tact, SPST, 5mm
Manufacturer
AnalogicTech
Microchip
OSRAM OPTO
Vishay
Murata
Murata
Murata
Murata
Murata
Vishay
Vishay
Vishay
Vishay
Panasonic-ECG
Chicago Miniature Lamp
Sullins Electronics
ITT Industries
3177.2008.06.1.0
www.analogictech.com
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