ap1509-s Diodes, Inc., ap1509-s Datasheet - Page 10

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

Typical Performance Characteristics
.
AP1509 Rev. 2
1000
900
800
700
600
500
400
300
200
100
2.5
1.5
0.5
90
85
80
75
70
0
3
2
1
0
-40
-40
Supply Current vs. Temperature
0
Efficiency vs. Output Current
V
in
= 5V; V
V
in
= 5V; V
Output Current (mA)
Temperature (
Temperature (
10
out
10
20
= 15V; I
out
= 15V
out
o
o
60
40
C)
C)
60
= 0A
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110
10 of 12
60
110
150KHz, 2A PWM BUCK DC/DC CONVERTER
1.26
1.25
1.24
1.23
1.22
2.5
1.5
0.5
85
75
65
55
Feedback Voltage vs. Temperature
3
2
1
0
Supply Current vs. Supply Voltage
-40
0
0
Efficiency vs. Output Current
V
V
V
in
in
out
= 3.3V; V
= 5V; V
= 15V; I
Supply Voltage (V)
Output Current (mA)
20
10
Temperature (
5
out
out
out
= 15V
= 15V
= 0A
40
60
10
o
©
C)
FEBRUARY 2008
AP1509
Diodes Incorporated
110
60
15