Owner manual

AP1501
150KHz, 3A PWM BUCK DC/DC CONVERTER
AP1501 Rev. 11 7 of 12 JANUARY 2009
www.diodes.com © Diodes Incorporated
Typical Performance Characteristics (Continued)
JUNCTION TEMPERATURE(
o
C)
BIAS CURRENT (nA)
Feedback Pin Bias Current
1.45 10152022232425
ON/OFF PIN VOLTAGE (V)
CURRENT (uA)
ON/OFF Pin Current (Sinking)
0.0
30.0
60.0
90.0
120.0
150.0
V
IN
=40V
-40
o
C T
J
125
o
C
≤≤
0.0
10.0
20.0
30.0
40.0
50.0
-50 -25 0 25 50 75 100 125
Adjustable Version Only
0.0
1.0
2.0
3.0
4.0
5.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (
o
C)
SUPPLY VOLTAGE (V)
Minimum Operating Supply Voltage
V
OUT
=1.23V
I
LOAD
=120mA
JUNCTION TEMPERATURE (
o
C)
THRESHOLD VOLTAGE (V)
ON/OFF Threshold Voltage
0.0
1.0
2.0
3.0
4.0
5.0
-50
-25
0
25 50 75
100 125
Switch Frequency
JUNCTION TEMPERATURE (
o
C)
FREQUENCY (kHz)
0.0
50.0
100.0
150.0
200.0
-50 -25 0 25 50 75 100 125