AP1509 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1509 Datasheet PDF : 13 Pages
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AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
Typical Performance Characteristics (Continued)
Header Frequency vs. Temperature
1000
900
800
700
600
500
400
300
200
100
0
-40
10
60
110
Temperature (oC)
Feedback Voltage vs. Temperature
(VIN=15V, VOUT=5V)
1.26
1.25
1.24
1.23
1.22
-40
10
60
110
Temperature (oC)
Supply Current vs. Temperature
(VIN=15V, VOUT=5V, lOUT=0A)
3
2.5
2
1.5
1
0.5
0
-40
10
60
110
Temperature (oC)
Supply Current vs. Supply Voltage
(VIN=15V, VOUT=5V, lOUT=0A)
3
2.5
2
1.5
1
0.5
0
0
5
10
15
Supply Voltage (V)
Efficiency vs. Output Current
(VIN=15V, VOUT=5V)
90
Efficiency vs. Output Current
(VIN=15V, VOUT=3.3V)
85
85
75
80
65
75
70
0
20
40
60
Output Current (mA)
55
0
20
40
60
Output Current (mA)
AP1509
Document number: DS31016 Rev. 4 - 2
9 of 13
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June 2010
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