ap1518t5ra ETC-unknow, ap1518t5ra Datasheet - Page 5

• Manufacturer Part Number: ap1518t5ra
• Description: 300khz, 3a Pwm Buck Dc/dc Converter
• Manufacturer: ETC-unknow

300KHz, 3A PWM Buck DC/DC Converter
Anachip Corp.
www.anachip.com.tw
AP1518 Saturation Voltage v.s. Temperature
Typical Performance Characteristics
15
14
13
12
11
10
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
83
82
81
80
79
78
77
76
75
74
73
72
9
8
7
6
5
1
-50 -30 -10 10
AP1518 Efficiency v.s. Temperature
-50 -30 -10 10 30
-50
(Vcc=12V,Vfb=0V,VSD=0)
(Vin=12V,Vout=5V,Io=3A)
-25
(Vcc=12V , No Load ,Von/off =0V(Switch ON) ,Von/off =5V(Switch OFF))
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (TA) (°C)
0
Switch ON
0.5A
30
1A
25
2A
50 70
50
3A
50
AP1518 Supply Current v.s. Temperature
70
90 110 130 150
90 110 130 150
75
100
125
5/12
AP1518 Switch Current Limit v.s. Temperature
5.5
4.5
3.5
60
55
50
45
40
35
30
78
77
76
75
74
73
72
71
70
5
4
3
AP1518 Efficiency v.s. Temperature
-50 -30 -10 10
-50 -30 -10 10
-50
(Vin=12V,Vout=3.3V,Io=3A)
-30
(Vcc=12V,Vfb=0V)
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (TA) (°C)
-10
Switch OFF
30
30
10
50
50
30
70
70
90 110 130 150
90 110 130 150
Rev.1.1 Oct 29, 2004
AP1518
50
70
90