APW7089 Datasheet, PDF (6/24 Pages) Anpec Electronics Coropration – 4A, 26V, 380kHz, Asynchronous Step-Down Converter

APW7089
Typical Operating Characteristics
Reference Voltage vs. Junction Temperature
0.816
0.812
0.808
0.804
0.800
0.796
0.792
0.788
0.784
-50 -25 0 25 50 75 100 125 150
Junction Temperature, T_J (^oC)
3.36
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
3.24
4
Output Voltage vs. Supply Voltage
I_OUT=1A
6 8 10 12 14 16 18 20 22 24 26
Supply Voltage, V_IN (V)
VIN Input Current vs. Supply Voltage
1.6
1.4
V_FB=0.85V
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
4 8 12 16 20 24 28
VIN Supply Voltage, V_IN (V)
Copyright © ANPEC Electronics Corp.
6
Rev. A.1 - Jan., 2012
Switching Frequency vs. Junction Temperature
420
410
400
390
380
370
360
350
340
-50 -25 0 25 50 75 100 125 150
Junction Temperature, T_J (^oC)
Output Voltage vs. Output Current
3.36
3.35
3.34
V_IN=12V
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
3.24
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Output Current, I_OUT (A)
Current-Limit Level (Peak Current)
vs. Junction Temperature
8.0
7.5
7.0
6.5
6.0
5.5
5.0
-50 -25 0 25 50 75 100 125 150
Junction Temperature, T_J (^oC)
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