AIC1631 AIC [Analog Intergrations Corporation], AIC1631 Datasheet - Page 9

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

APPLICATION EXAMPLES
+V
+V
(+5V)
OUT
LOAD
OUT
100µF
OSCON
LOAD
100µF
C1
C3
+
50µH
+
1N5819
D1
L1
+V
100 Ω
47µF
+
C2
IN
R1
1N5819
D1
100µF
C2
+
22Ω
* CTL= GND in Burst Mode
R1
CTL=VIN in Normal Mode
Fig. 6 Low Supply Current Burst Mode Step-Up Converter
ILIM/SD
VIN
SW
SGND
+
Fig.7 Adjustable Output Voltage Step-Up Converter
AIC1631-5
47µF
C1
CGND
27K
VOUT
R2
LBO
LBI
ILIM/SD VOUT
VIN
SW
GND
1N4148
AIC1631A
(CONTINUED)
*CTL
D2
LBO
LBI
FB
+
1M
R2
15nF
C4
C3
1µF
+V
Q2
2N3904
R1
R2
IN
1M
R3
Q1
2N3904
680K
R4
130
110
90
70
30
10
50
0
10
V
Load Current ( µ A)
IN
=1.8V
20
AIC1631
30
V
V
V
IN
IN
IN
=2.0V
=3V
=2.5V
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