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AP1509 Datasheet(PDF) 7 Page - Diodes Incorporated

Part # AP1509
Description  150KHz, 2A PWM BUCK DC/DC CONVERTER
PDF  13 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1509 Datasheet(HTML) 7 Page - Diodes Incorporated

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AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
AP1509
Document number: DS31016 Rev. 4 - 2
7 of 13
www.diodes.com
June 2010
© Diodes Incorporated
Typical Performance Characteristics
AP1509 Efficiency vs. Temperature
(VIN=12V, VOUT=5V, Io=2A)
75
76
77
78
79
80
81
82
83
84
85
86
-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)
73
74
75
76
77
78
79
80
81
-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)
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
-50
-25
0
25
50
75
100
125
Temperature (TA)
　(°C)
2A
1A
0.5A
AP1509 Switch Current Limit vs. Temperature
(VIN=12V, VFB=0V)
3
3.5
4
4.5
5
5.5
-50
-30
-10
103050
7090
Temperature (TA) (°C)
AP1509 Supply Current vs. Temperature
(VIN=12V, No Load, Von/off =0V(Switch ON) ,Von/off =5V(Switch OFF))
5
6
7
8
9
10
11
12
13
14
15
-50 -30 -10
10
30
50
70
90 110 130 150
Temperature (TA) (°C)
Switch ON
30
35
40
45
50
55
60
-50 -30 -10
10
30
50
70
90 110 130 150
Temperature (TA) (°C)
Switch OFF



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