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

Functional check AN4260
16/29 DocID024275 Rev 2
The protection acts in auto-restart mode with t
RESTART
= 1 sec (Figure 28). As the fault is
removed, normal operation is restored after the last t
RESTART
interval has been completed
(Figure 30).
Figure 27. Feedback loop failure protection:
tripping
Figure 28. Feedback loop failure protection:
steady-state
t
RESTART
Fault is
a
pp
lied here
AM16653v1
I_L2
t
RESTART
t
RESTART
I_L2
AM16654v1
Figure 29. Feedback loop failure protection:
steady-state zoom
Figure 30. Feedback loop failure protection:
converter restart
< t
OVL
I_L2
AM16655v1
Fault is
removed here
t
RESTART
I_L2
AM16656v1