Not Recommended for New Design
AP1515
150KHz, 1.5A PWM Buck DC/DC Converter
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Oct 24, 2005
6/9
Typical Performance Characteristics (Continued)
AP1515 Saturation Voltage v.s. Temperature
(Vcc=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)
Saturation Voltage (V)
1.5A
1A
0.5A
AP1515 Switch Current Limit v.s. Temperature
(Vcc=12V,Vfb=0V)
2
2.5
3
3.5
-50-30-101030507090
Temperature (TA) (°C)
Switch Current Limit (A)
AP1515 Supply Current v.s. Temperature
(Vcc=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)
Supply Current (mA)
Switch ON
30
35
40
45
50
55
60
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
Supply Current (uA)
Switch OFF
AP1515 Frequency v.s. Temperature
(Vcc=12V , Io=500mA ,Vout=5V)
140
145
150
155
160
165
170
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
Frequency (KHz)
AP1515 Feedback Current v.s. Temperature
(Vcc=12V , Vout=5V,Vfb=1.3V)
-50
-40
-30
-20
-10
0
10
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
Feedback Current (nA)
