AIC1631 Просмотр технического описания (PDF) - Analog Intergrations
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AIC1631 Datasheet PDF : 10 Pages
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AIC1631
APPLICATION EXAMPLES (CONTINUED)
+VOUT
(+3V)
+VIN
100Ω
R1
LOAD
47µF
L1
100µF +
C2
1N5819
D1
+ C1
10µF
ILIM/SD
VIN
VOUT
LBI
SW
SGND
LBO
CGND
AIC1631-3
80
VIN=1.4V
VIN=1.6V
75
70
VIN=1.0V
VIN=1.2V
65 0
2
4
6
8
10
12
Load Current (mA)
Fig. 3 1-Cell Input 3V Output Step-Up Converter
+VOUT
(+5V)
+VIN
R1
100Ω
LOAD
47µH
L1
1N5819
D1
+
100µF
C2
+
10µF
C1
ILIM/SD
VIN
VOUT
LBI
SW
SGND
LBO
CGND
AIC1631-5
80
75
VIN=1V
VIN=1.6V
VIN=1.4V
VIN=1.2V
70
65 0
2
4
6
8
10
12
Load Current (mA)
Fig. 4 1-Cell Input 5V Output Step-Up Converter
+VIN
500µH
L1
100Ω
27K
R1
R2
+
+
C1
C2
220µF 10µF
+
100µF
C2
1N5819
D1
ILIM/SD
VIN
VOUT
LBI
SW
LBO
SGND
CGND
AIC1631-5
2SB1424
Q1
15K
+VOUT
(+5V)
R5
RB
12K
62K
R3
+
100µF
C4
20K
R4
LOAD
94
90
86
82
VIN=6V
78
VIN=5V
VIN=4V
VIN=3V
74
70
VIN=7V
66
62
VIN=8V
58 0
50
100 150 200 250 300 350 400
Load Current (mA)
Fig. 5 4-Cell Input Step-Up / Step-Down Converter
8
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