AIC1638
3-PIN ONE-CELL STEP-UP DC/DC CONVERTER
SPEC NO: DS-1638-00 03/01/00
"
TYPICAL PERFORMANCE CHARACTERISTICS
(CONTINUED)
AIC1638-30 Efficiency (L=100µH, CD54)
µ
85
80
AIC1638-30 Load Regulation (L=47µH CD54)
µ
3.1
3.0
2.9
Output Voltage (V)
Efficiency (%)
75
70
65
60
2.8
2.7
2.6
2.5
2.4
2.3
V
IN
=1.2V
V
IN
=1.5V
V
IN
=1.8V
V
IN
=2.0V
1.8V
2.0V
1.5V
55
50
V
IN
=0.9V
0
20
40
60
1.2V
80
100
120
140
160
180
V
IN
=0.9V
0
20
40
60
80
100
120
140
160
180
200
220
2.2
Output Current (mA)
Output Current (mA)
85
80
75
AIC1638-30 Efficiency (L=47µH CD54)
µ
1.0
0.9
0.8
AIC1638-30 Start-up & Hold-on Voltage (L=100µH)
Start up
Input Voltage (V)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Efficiency (%)
70
65
Hold on
V
IN
=2.0V
60
55
V
IN
=1.8V
V
IN
=1.5V
V
IN
=1.2V
50
75
100
125
150
175
200
225
V
IN
=0.9V
50
0
25
0.0
0
2
4
6
8
10
12
14
16
18
20
Output Current (mA)
Output Current (mA)
AIC1638-30 Start-up & Hold-on Voltage (L=47uH)
1.0
0.9
0.8
3.06
AIC1638-30 Output Voltage vs Temperature
Start up
3.04
Output Voltage Vout (V)
No Load
3.02
3.00
2.98
2.96
2.94
2.92
2.90
-40
Input Voltage (V)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
2
4
6
8
10
12
14
16
18
20
Hold on
-20
0
20
40
60
80
100
Output Current (mA)
Temperature (°C)
ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
6
AIC [ ANALOG INTERGRATIONS CORPORATION ]
