Diodes AP1509 - Manual (Page 8)

AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
AP1509
Document number: DS31016 Rev. 4 - 2
8 of 13
www.diodes.com
June 2010
© Diodes Incorporated
Typical Performance Characteristics (Continued)
AP1509 Threshold Voltage vs. Temperature
(V
IN
=12V, Io=100mA)
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
T
h
reshold Voltage (V)
AP1509 ON/OFF Current vs. ON/OFF Voltage
(V
IN
=12V)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0 3 6 9 12 15 18 21
ON/OFF Voltage (V)
ON/OFF Current (nA)
AP1509 Frequency vs. Temperature
(V
IN
=12V, Io=500mA, V
OUT
=5V)
140
145
150
155
160
165
170
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
F
requency (KHz)
AP1509 Feedback Current vs. Temperature
(V
IN
=12V, V
OUT
=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)
AP1509 Output Voltage vs. Temperature
(V
IN
=12V, Io=2A)
2.9
2.95
3
3.05
3.1
3.15
3.2
3.25
3.3
3.35
3.4
3.45
3.5
-40 -20 0 20 40 60 80 100 120 140 160
Temperature (TA) (° C)
V
OU
T
(V
)