1507-12 データシートの表示（PDF） - Diodes Incorporated.
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1507-12 Datasheet PDF : 12 Pages
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AP1507
150KHz, 3A PWM BUCK DC/DC CONVERTER
Typical Characteristics
83
82
81
80
79
78
77
76
75
74
VIN = 12V
VOUT = 5V
73
IO = 3A
72
-50 -30 -10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
Efficiency vs. Temperature
78
77
76
75
74
73
72
VIN = 12V
71
VOUT = 3.3V
IO = 3A
70
-50 -30 -10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
Efficiency vs. Temperature
1.6
1.5
3A
1.4
1.6
VCC = 12V
VFB = 0V
1.4
1.3
2A
1.2
1.2
1.1
1
0.9 VCC = 12V
0.8
VFB = 0V
VSD = 0V
1A
0.5A
0.7
-50
-25 0 25 50 75 100 125
TEMPERATURE (°C)
Saturation Voltage vs. Temperature
1.1
0.9
0.7
-50
-25 0 25 50 75 100 125
TEMPERATURE (°C)
Switch Current Limit vs. Temperature
15
60
14
VCC = 12V
No Load
13
VON = 0V
Switch ON
55
12
50
11
10
45
09
40
08
VCC = 12V
07
35
No Load
VOFF = 5V
06
Switch OFF
05
-50 -30 -10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
Supply Current vs. Temperature
30
-50 -30 -10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
Supply Current vs. Temperature
AP1507
Document number: DS31067 Rev. 3 - 2
7 of 12
www.diodes.com
May 2012
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