AIC1631 AIC [Analog Intergrations Corporation], AIC1631 Datasheet - Page 8

• Manufacturer Part Number: AIC1631
• Description: 2-Cell, 500mA, Step-Up DC/DC Converter
• Manufacturer: AIC [Analog Intergrations Corporation]

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