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APW8821 Datasheet(PDF) 6 Page - Anpec Electronics Coropration

Part # APW8821
Description  Notebook PWM Controller with Differential Voltage Feedback
PDF  24 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW8821 Datasheet(HTML) 6 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Feb., 2011
APW8821
www.anpec.com.tw
6
Typical Operating Characteristics
0.494
Reference Voltage Accuracy vs.
Junction Temperature
-50 -30
10
50
110 130 150
90
30
-10
Junction Temperature, TJ ( oC )
0.506
0.504
0.502
0.500
0.498
0.496
70
1.015
1.010
0.980
3
Converter Output Current, IOUT (A)
10
9
4
1.020
1.005
1.000
0.995
0.990
0.985
5
6
7
8
VOUT=1V,
EXTERNAL MODE
VIN=8V
VIN=19V
Converter Output Voltage vs.
Converter Output Current
0.1
Switching Frequency vs.
Converter Output Current
0.001
0.010
0.100
1.000
10.00
Converter Output Current, IOUT (A)
1000
100
10
1
VIN=8V,
VOUT=1V
9
Converter Input Voltage, VIN (V)
Converter Output Voltage vs.
Converter Input Voltage
13
17
21
5
25
1.04
1.02
0.94
1.06
1.00
0.98
0.96
IOUT=0A
IOUT=10A
VCC=5V,
VOUT=1V,
EXTERNAL MODE
0.10
1.00
10.00
Converter Output Current, IOUT (A)
0
10
70
80
90
60
50
100
40
30
20
Efficiency vs Load current
VIN=8V, VOUT=1.05V
0.01
100.00
H-Side:SM4370 x1
L-Side:SM4373 x1
0.10
1.00
10.00
0
10
70
80
90
60
50
100
40
30
20
0.01
100.00
Converter Output Current, IOUT (A)
Efficiency vs Load current
VIN=19V, VOUT=1.05V
H-Side:SM4370 x1
L-Side:SM4373 x1



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