APW1172
Typical Operating Characteristics (Cont.)
Efficiency vs. Output Current at VIN=5V
Efficiency vs. Output Current at VIN=12V
80%
86%
84%
82%
80%
78%
76%
74%
72%
70%
68%
66%
64%
62%
60%
78%
76%
74%
72%
70%
68%
66%
64%
62%
60%
VO=2.5V
VO=3.3V
VO=5V
VO=1.8V
VO=2.5V
VO=3.3V
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
Output Current (A)
Output Current (A)
VCE vs. ICE
VFB vs. Temperature
1.5
1.241
1.240
1.239
1.238
1.237
1.236
1.235
1.234
1.233
1.232
1.231
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
VIN=5V
VIN=12V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-50
-25
0
25
50
75
100
125
ICE (A)
JunctionTemperature (oC)
Copyright ã ANPEC Electronics Corp.
9
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Rev. A.4 - Aug., 2005
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
