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Description
AIC1621CO View Datasheet(PDF) - Analog Intergrations
Part Name
Description
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AIC1621CO
High Efficiency Synchronous Step-Up DC/DC Converter
Analog Intergrations
AIC1621CO Datasheet PDF : 12 Pages
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AIC1620/AIC1621/AIC1622
n
APPLICATION EXAMPLES
VOUT
OUT
DAMPING
Q
1
SWITCH
Q3
R1
BATT
200
Ω
VIN
LX
L1
Q2
22
µ
H
AIC1622
GND
Fig. 15. Simplified Damping Switch Diagram
R1
200
Ω
BATT
(AIC1622)
LX
OUT
R3
CLSEL
LBI
(AIC1622)
SHDN
R4
REF
0.1
µ
F
C4
GND
LBO
FB
AIC1620
AIC1621
AIC1622
L
22
µ
H
VIN
C1
100
µ
F
C2
0.1
µ
F
VOUT
C3
220
µ
F
R2
100K
Ω
LOW BATTERY
OUTPUT
Fig. 16 V
OUT
= 3.3V Application Circuit.
R1
200
Ω
R3
R4
BATT
(AIC1622)
LX
OUT
CLSEL
(AIC1622)
LBI
SHDN
REF
0.1
µ
F
C4
LBO
GND
FB
AIC1620
AIC1621
AIC1622
L
22
µ
H
VIN
C1
100
µ
F
VOUT
C2
0 . 1
µ
F
100K
Ω
R5
R2
C3
220
µ
F
LOW BATTERY
OUTPUT
R6
Fig. 17 An Adjustable Output Application Circuit
11
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