AIC1647 AIC [Analog Intergrations Corporation], AIC1647 Datasheet - Page 10
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AIC1647
Manufacturer Part Number
AIC1647
Description
WHITE LED STEP-UP CONVERTER IN SOT23
Manufacturer
AIC [Analog Intergrations Corporation]
Datasheet
1.AIC1647.pdf
(11 pages)
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APPLICATION EXAMPLE
V
V
V
IN
IN
IN
Fig. 22 Dimming Control Using a Filter PWM Signal
C1
1µF
Fig. 23 Six white LEDs application in Li-Ion Battery
C1
1µF
C1
1µF
Fig. 21 Dimming Control Using a DC Voltage
SHDN
GND
VIN
VIN
SHDN
GND
VIN
SHDN
GND
AIC1647
PWM
10µH
10µH
10µH
L
AIC1647
AIC1647
L1
L1
SW
FB
0~5V
0.1µF
5.1K
SW
SW
FB
FB
R3
C3
DC
D1
D1
RB521S-30
BZV55-B12
11.8V~12.2V
BZV55-B12
11.8V~12.2V
D1
51K
51K
R2
D2
R2
D2
RB512S-30
RB512S-30
R2
1K
1K
1K
R1
R1
R
4.7Ω
FB
R
4.7Ω
R
4.7Ω
FB
FB
20mA
20mA
R1
4.7Ω
C2
1µF
C2
1µF
20mA
C2
1µF
AIC1647
10