Техническая Спецификация для STMicroelectronics 12 V, 150 mA non-isolated buck converter using VIPer™ Plus - VIPER06XS STEVAL-ISA115V1 STEVAL-ISA115V1
Модели
STEVAL-ISA115V1
DocID024275 Rev 2
13/29
AN4260
Testing the board
Figure 17. Efficiency @ P
IN
= 1 W
Another requirement for light load performance (EuP lot 6) is that the input power should be
less than 500 mW when the converter is loaded 250 mW. The demonstration board satisfies
this requirement, as shown in
less than 500 mW when the converter is loaded 250 mW. The demonstration board satisfies
this requirement, as shown in
Figure 18. P
IN
@ P
OUT
= 0.25 W
50
55
60
65
70
75
80
85
90
80
110
140
170
200
230
260
e
ff [%
]
V
IN
[V
AC
]
AM16644v1
0.25
0.3
0.35
0.4
0.45
0.5
80
110
140
170
200
230
260
P
IN
[W
]
V
IN
[V
AC
]
AM16665v1