AP1507(2007) 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1507 Datasheet PDF : 10 Pages
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AP1507
150KHz, 3A PWM BUCK DC/DC CONVERTER
Typical Performance Characteristics
AP1507 Efficiency vs. Temperature
(Vin = 12V, Vout = 5V, Io = 3A)
83
82
81
80
79
78
77
76
75
74
73
72
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1507 Efficiency vs. Temperature
(Vin = 12V, Vout = 3.3V, Io = 3A)
78
77
76
75
74
73
72
71
70
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1507 Saturation Voltage vs. Temperature
(Vcc = 12V, Vfb = 0V, VSD = 0)
1.6
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
-50
3A
2A
1A
0.5A
-25 0 25 50 75
Temperature (TA) (°C)
100 125
AP1507 Switch Current Limit vs. Temperature
(Vcc = 12V, Vfb = 0V)
5.5
5
4.5
4
3.5
3
-50 -30 -10 10 30 50 70 90
Temperature (TA) (°C)
AP1507 Supply Current vs. Temperature
(Vcc = 12V, No Load, Von/off = 0V (Switch ON), Von/off = 5V (Switch OFF))
15
14
13
12
11
10
9
8
7
Switch ON
6
5
-50 -30 -10 10 30 50 70 90 110 130 150
60
55
50
45
Switch OFF
40
35
30
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
Temperature (TA) (°C)
AP1507 Rev. 1
5 of 10
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FEBRUARY 2007
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