150Khz, 3A PWM Buck Switching Regulator
Electrical Characteristics (Continued)
Symbol
V
FB
SM8313
Parameter
Output
Feedback
Efficiency
Conditions
5V < V
IN
< 32V
0.2A < I
LOAD
< 3A
V
OUT
programmed for
3V
V
IN
= 12V, I
LOAD
=3A
5.5V < V
IN
< 32V
0.2A < I
LOAD
< 3A
V
IN
= 12V, I
LOAD
=3A
8V < V
IN
< 32V
0.2A < I
LOAD
< 3A
V
IN
= 12V, I
LOAD
=3A
15V < V
IN
< 32V
0.2A < I
LOAD
< 3A
V
IN
= 15V, I
LOAD
= 3A
Typ.
1.23
73
3.3
73
5
80
12
90
Limit
1.193/1.18
1.267/1.28
Unit
V
V
MIN
V
MAX
%
SM8313-ADJ
SM8313-3.3V
V
OUT
Output voltage
Efficiency
3.168/3.135
3.432/3.465
V
V
MIN
V
MAX
%
V
V
MIN
V
MAX
%
V
V
MIN
V
MAX
%
SM8313-5V
V
OUT
Output voltage
Efficiency
4.8/4.75
5.2/5.25
SM8313-12V
V
OUT
Output voltage
Efficiency
11.52/11.4
12.48/12.6
Specifications with
boldface type
are for full operating temperature range, the other type are for T
J
=25ºC.
4/10
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
