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
AP1509 Efficiency vs. Temperature
(VIN=12V, VOUT=5V, Io=2A)
86
85
84
83
82
81
80
79
78
77
76
75
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1509 Efficiency vs. Temperature
(VIN=12V, VOUT=3.3V, Io=2A)
81
80
79
78
77
76
75
74
73
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1509 Saturation Voltage vs. Temperature
(VIN =12V, VFB=0V, VSD=0)
1.4
1.3
1.2
2A
1.1
1
1A
0.5A
0.9
0.8
0.7
-50
-25 0 25 50 75
Temperature (TA) (°C)
100 125
AP1509 Switch Current Limit vs. Temperature
(VIN=12V, VFB=0V)
5.5
5
4.5
4
3.5
3
-50 -30 -10 10 30 50 70 90
Temperature (TA) (°C)
AP1509 Supply Current vs. Temperature
(VIN=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
Temperature (TA) (°C)
60
55
50
45
Switch OFF
40
35
30
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1509
Document number: DS31016 Rev. 4 - 2
7 of 13
www.diodes.com
June 2010
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