150Khz, 5A PWM Buck DC/DC Converter
AP1501A
Typical Performance Characteristics (Continued)
Minimum Operating Supply Voltage
5.0
4.0
3.0
2.0
1.0
VOUT=1.23V
ILOAD=120mA
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (oC)
ON/OFF Threshold Voltage
5.0
4.0
3.0
2.0
1.0
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (oC)
150.0
120.0
90.0
ON/OFF Pin Current (Sinking)
VIN=40V
-40oC ≤ TJ ≤ 125oC
60.0
30.0
0.0
1.4 5 10 15 20 22 23 24 25
ON/OFF PIN VOLTAGE (V)
200.0
Switch Frequency
150.0
100.0
50.0
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (oC)
Feedback Pin Bias Current
50.0
40.0
30.0
20.0
Adjustable Version Only
10.0
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE(oC)
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Aug 23, 2005
6/12