AIC1638
3-PIN ONE-CELL STEP-UP DC/DC CONVERTER
SPEC NO: DS-1638-00 03/01/00
"
TYPICAL PERFORMANCE CHARACTERISTICS
(CONTINUED)
AIC1638-50 Start-up & Hold-on Voltage (L=100µH)
1.8
1.6
5.3
5.2
AIC1638-50 Output Voltage vs Temperature
Output Voltage Vout (V)
1.4
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
-40
No Load
Input Voltage (V)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
2
4
6
8
10
12
14
16
18
20
Start up
Hold on
-20
0
20
40
60
80
100
Output Current (mA)
AIC1638-50 Switching Frequency vs Temperature
150
82
80
Temperature (°C)
AIC1638-50 Maximum Duty Cycle vs Temperature
Switching Frequency (kHz)
Maximum Duty Cycle (%)
-20
0
20
40
60
80
100
140
130
120
110
100
90
80
70
60
-40
78
76
74
72
70
68
66
64
-40
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
AIC1638-50 SW On Resistance vs Temperature
1.6
100
90
AIC1638-50 Supply Current vs Temperature
SW Turn On Resistance (Ω)
1.4
Supply Current IDD1
µ
A)
-20
0
20
40
60
80
100
80
70
60
50
40
30
20
10
-40
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-20
0
20
40
60
80
100
Temperature (°C)
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
10
AIC [ ANALOG INTERGRATIONS CORPORATION ]
