AIC1647 查看數據表（PDF） - Analog Intergrations
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AIC1647 Datasheet PDF : 11 Pages
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AIC1647
VIN
C1
1µF
L1
10µH
D1 RB512S-30
VIN
SW
D2
SHDN
GND
BZV55-B12
11.8V~12.2V
FB
AIC1647
R2
R1
0~5VDC
51K
1K
C2
1µF
20mA
RFB
4.7Ω
Fig. 21 Dimming Control Using a DC Voltage
VIN
C1
1µF
L1
10µH
D1 RB512S-30
VIN
SHDN
GND
SW
D2
BZV55-B12
11.8V~12.2V
FB
AIC1647
R3
R2
R1
PWM
5.1K 51K 1K
C3
0.1µF
C2
1µF
20mA
RFB
4.7Ω
Fig. 22 Dimming Control Using a Filter PWM Signal
APPLICATION EXAMPLE
VIN
C1
1µF
L
10µH
VIN SW
SHDN
GND FB
AIC1647
D1
RB521S-30
C2
1µF
20mA
R2
1K
RFB
R1
4.7Ω 4.7Ω
Fig. 23 Six white LEDs application in Li-Ion Battery
10
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