AP1506 Datasheet, PDF (5/12 Pages) Anachip Corp – 150KHz, 3A PWM Buck DC/DC Converter

150KHz, 3A PWM Buck DC/DC Converter
AP1506
„ Typical Performance Characteristics
AP1506 Efficiency v.s. 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)
AP1506 Efficiency v.s. 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)
AP1506 Saturation Voltage v.s. 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
AP1506 Switch Current Limit v.s. 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)
AP1506 Supply Current v.s. 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
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)
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Oct 29, 2004
5/12