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| LTC3225-1_15 Datasheet, PDF (11/14 Pages) Linear Technology – 150mA Supercapacitor Charger | |||
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LTC3225/LTC3225-1
TYPICAL APPLICATION
5V Supercapacitor Back-Up Supply
Q2
Si4421DY
VIN
5V
Q1
Si4421DY
VIN
COUT
C2
LTC4412
C+
CX
10F
VIN SENSE
C1
LTC3225
1μF
LTC3225-1
C3
GND GATE
10F
R2
470k
Câ
GND
CTL STAT
C4
2.2μF
SHDN
VSEL
PROG
R1
12k
LTM4616
VIN1 VOUT1
C5
22μF
VIN2 FB1
GND ITHM1
VOUT2
FB2
ITHM2
GND
1.8V
R3
4.78k
C6
100μF
1.2V
C7
C8
100μF
100μF
R2
10k
3225 TA02
3225fb
11
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