AP1501
150Khz, 3A PWM Buck DC/DC Converter
Electrical Characteristics (Continued)
Symbol
V
FB
Parameter
Output
Feedback
Efficiency
Conditions
4.5V < V
IN
< 40V
0.2A < I
LOAD
< 3A
V
OUT
programmed for
3V
V
IN
= 12V, I
LOAD
=3A
Typ.
1.23
73
3.3
73
5
80
12
90
11.52/11.4
12.48/12.6
4.8/4.75
5.2/5.25
3.168/3.135
3.432/3.465
Limit
1.193/1.18
1.267/1.28
Unit
V
V
MIN
V
MAX
%
V
V
MIN
V
MAX
%
V
V
MIN
V
MAX
%
V
V
MIN
V
MAX
%
AP1501-ADJ
η
V
OUT
AP1501-3.3V
4.75V < V
IN
< 40V
Output voltage
0.2A < I
LOAD
< 3A
Efficiency
V
IN
= 12V, I
LOAD
=3A
η
V
OUT
η
V
OUT
η
AP1501-5V
7V < V
IN
< 40V
Output voltage
0.2A < I
LOAD
< 3A
Efficiency
V
IN
= 12V, I
LOAD
=3A
AP1501-12V
15V < V
IN
< 40V
Output voltage
0.2A < I
LOAD
< 3A
Efficiency
V
IN
= 15V, I
LOAD
= 3A
Specifications with
boldface type
are for full operating temperature range, the other type are for T
J
=25ºC.
Anachip Corp.
www.anachip.com.tw
4/11
Rev.A7 Feb. 10, 2004
ANACHIP [ ANACHIP CORP ]
