ap1507-12d5 Diodes, Inc., ap1507-12d5 Datasheet - Page 6

• Manufacturer Part Number: ap1507-12d5
• Description: 150khz, 3a Pwm Buck Dc/dc Converter
• Manufacturer: Diodes, Inc.

Typical Performance Characteristics
AP1507 Saturation Voltage vs. Temperature
AP1507 Rev. 2
15
14
13
12
11
10
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
83
82
81
80
79
78
77
76
75
74
73
72
9
8
7
6
5
1
-50 -30 -10 10
AP1507 Efficiency vs. Temperature
-50 -30 -10 10 30
-50
(V
= 12V, V
-25
in
= 12V, V
Temperature (TA) (°C)
Temperature (TA) (°C)
(V
Temperature (TA) (°C)
cc
Switch ON
0
0.5A
= 12V, No Load, V
fb
= 0V, VSD = 0)
30
1A
out
25
= 5V, I
2A
50 70
50
3A
50
AP1507 Supply Current vs. Temperature
70
o
= 3A)
90 110 130 150
90 110 130 150
75
on/off
100
www.diodes.com
= 0V (Switch ON), V
125
6 of 11
(V
150KHz, 3A PWM BUCK DC/DC CONVERTER
cc
AP1507 Switch Current Limit vs. Temperature
5.5
4.5
3.5
60
55
50
45
40
35
30
78
77
76
75
74
73
72
71
70
5
4
3
AP1507 Efficiency vs. Temperature
-50 -30 -10 10
-50 -30 -10 10
-50
(V
on/off
in
-30
= 12V, V
= 5V (Switch OFF))
(V
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (TA) (°C)
cc
-10
= 12V, V
out
Switch OFF
30
30
10
= 3.3V, I
50
50
fb
= 0V)
30
70
70
o
FEBRUARY 2008
©
= 3A)
90 110 130 150
AP1507
90 110 130 150
50
Diodes Incorporated
70
90