AIC1638
3-PIN ONE-CELL STEP-UP DC/DC CONVERTER
SPEC NO: DS-1638-00 03/01/00
"
TYPICAL PERFORMANCE CHARACTERISTICS
(CONTINUED)
AIC1638-27 Output Voltage vs Temperature
2.78
2.76
AIC1638-27 Switching Frequency vs Temperature
160
140
Output Voltage Vout (V)
2.74
2.72
2.70
2.68
2.66
2.64
2.62
-40
No Load
Switching Frequency (kHz)
120
100
80
60
40
20
-40
-20
0
20
40
60
80
100
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
AIC1638-27 Maximum Duty Cycle vs Temperature
82
80
1.8
1.6
AIC1638-27 SW On Resistance vs Temperature
Maximum Duty Cycle (%)
SW Turn On Resistance (Ω)
78
76
74
72
70
68
66
-40
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-20
0
20
40
60
80
100
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
AIC1638-27 Supply Current vs Temperature
52
48
µ
AIC1638-30 Load Regulation (L=100µH, CD54)
3.1
3.0
2.9
2.0V
1.5V
1.8V
Supply Current IDD1 (uA)
44
40
36
32
28
24
20
-40
Output voltage V
OUT
(V)
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
0
10
1.2V
V
IN
=0.9V
20
30
40
50
60
70
80
90
100 110 120 130 140
-20
0
20
40
60
80
100
Temperature (°C)
Output Current (mA)
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
5
AIC [ ANALOG INTERGRATIONS CORPORATION ]
