
AIC1620/AIC1621/AIC1622
n APPLICATION EXAMPLES
VOUT
OUT DAMPING
Q1
SWITCH
Q3
R1
BATT 200Ω
VIN
LX
L1
Q2
22µH
AIC1622
GND
Fig. 15. Simplified Damping Switch Diagram
R1
200Ω
BATT
(AIC1622)
LX
OUT
R3
CLSEL
LBI
(AIC1622)
SHDN
R4
REF
0.1µ F
C4
GND
LBO
FB
AIC1620
AIC1621
AIC1622
L
22µH
VIN
C1
100 µF
C2
0.1µF
VOUT
C3
220µF
R2
100KΩ
LOW BATTERY
OUTPUT
Fig. 16 VOUT = 3.3V Application Circuit.
R1
200Ω
R3
R4
BATT
(AIC1622)
LX
OUT
CLSEL
(AIC1622)
LBI
SHDN
REF
0.1µF
C4
LBO
GND
FB
AIC1620
AIC1621
AIC1622
L
22 µH
VIN
C1
100 µF
VOUT
C2
0 . 1µ F
100KΩ R5
R2
C3
220µF
LOW BATTERY
OUTPUT
R6
Fig. 17 An Adjustable Output Application Circuit
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