ap1509-s Diodes, Inc., ap1509-s Datasheet - Page 8

• Manufacturer Part Number: ap1509-s
• Description: 150khz, 2a Pwm Buck Dc/dc Converter
• Manufacturer: Diodes, Inc.

Typical Performance Characteristics
AP1509 Rev. 2
AP1509 Threshold Voltage vs. Temperature
170
165
160
155
150
145
140
3.45
3.35
3.25
3.15
3.05
2.95
AP1509 Output Voltage vs. Temperature
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
3.5
3.4
3.3
3.2
3.1
2.9
1
3
-50 -30 -10 10
AP1509 Frequency vs. Temperature
-50 -30 -10 10
-40 -20
(Vcc=12V, Io=500mA, Vout=5V)
(Vcc=12V, Io=100mA)
Temperature (TA) (°C)
Temperature (TA) (°C)
0
Temperature (TA) (°C)
(Vin=12V, Io=2A)
20
30
30
40
50
50
60
70
70
80 100 120 140 160
90 110 130 150
90 110 130 150
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150KHz, 2A PWM BUCK DC/DC CONVERTER
(Continued)
AP1509 ON/OFF Current vs. ON/OFF Voltage
AP1509 Feedback Current vs. Temperature
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
-10
-20
-30
-40
-50
10
0
0
-50 -30 -10 10
0
(Vcc=12V, Vout=5V, Vfb=1.3V)
3
Temperature (TA) (°C)
ON/OFF Voltage (V)
6
(Vin=12V)
30
9
50
12
70
©
FEBRUARY 2008
90 110 130 150
15
AP1509
Diodes Incorporated
18
21