SM8303 Datasheet, PDF (4/11 Pages) SamHop Microelectronics Corp. – 150KHz, 3A PWM Buck Switching Regulator

SAMHOP Microelectronics Corp.
150KHz, 3A PWM Buck Switching Regulator
SM8303
Electrical Characteristics (Continued)
SM8303-ADJ
SM8303-3.3V
SM8303-5V
SM8303-12V
Symbol
V_FB
η
V_OUT
η
V_OUT
η
V_OUT
η
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
Typ.
1.23
73
Limit
1.193/1.18
1.267/1.28
Output voltage
5.5V < V_IN < 32V
0.2A < I_LOAD < 3A
3.3
3.168/3.135
3.432/3.465
Efficiency V_IN = 12V, I_LOAD=3A 73
Output voltage
8V < V_IN < 32V
0.2A < I_LOAD < 3A
5
4.8/4.75
5.2/5.25
Efficiency V_IN = 12V, I_LOAD=3A 80
Output voltage
15V < V_IN < 32V
0.2A < I_LOAD < 3A
12
11.52/11.4
12.48/12.6
Efficiency V_IN = 15V, I_LOAD = 3A 90
Specifications with boldface type are for full operating temperature range, the other type are for T_J=25ºC.
Unit
V
V_MIN
V_MAX
%
V
V_MIN
V_MAX
%
V
V_MIN
V_MAX
%
V
V_MIN
V_MAX
%
4
V1.0 May 17 ,2007