Datasheet
Table Of Contents
- Figure 1. STEVAL- ISA115V1 demonstration board
- 1 Adapter features
- 2 Circuit description
- 3 Bill of material
- 4 Layout
- 5 Testing the board
- 6 Functional check
- 7 Feedback loop calculation guidelines
- 8 Thermal measurements
- Figure 32. Thermal measurement @ VIN = 80 VAC, full load (130 mA) Rbl = 8.2 kohm
- Figure 33. Thermal measurement @ VIN = 115 VAC, full load (130 mA) Rbl = 8.2 kohm
- Figure 34. Thermal measurement @ VIN = 230 VAC, full load (130 mA) Rbl = 8.2 kohm
- Figure 35. Thermal measurement @ VIN = 265 VAC, full load (130 mA) Rbl = 8.2 kohm
- 9 EMI measurements
- Appendix A Test equipment and measurement of efficiency and light load performance
- 10 References
- Revision history
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 Figure 18.
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
eff [%]
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