Datasheet

ADP8860
Rev. 0 | Page 22 of 52
WAIT
100µs (TYP)
G = 2
G = 3/2
0
0
1
1
1
1
0
VOUT > V
OVP
OVP FAULT
1
0
1
0
V
OUT
> V
OUT(REG)
TRY TO
REGULATE
VOUT TO
V
OUT(REG)
VOUT > V
OVP
OVP FAULT
VOUT < V
OVP
–
V
OVP
(HYS)
0
1
0
1
1
0
VOUT > V
OVP
OVP FAULT
0
1
0
1
1
0
EXIT
STARTUP
G = 1
STBY
1
0
VOUT < V
OUT(SC)
0
SCP FAULT
EXIT STBY
STARTUP:
CHARGE
V
IN
TO V
OUT
V
OUT
> V
OUT(START)
DIE TEMP > TSD
0
TSD FAULT
DIE TEMP <
TSD – TSD
(HYS)
MIN (V
D1:D7
)
< V
HR(UP)
MIN (V
D1:D7
)
< V
HR(UP)
MIN (V
D1:D7
)
> V
DMAX
MIN (V
D1:D7
)
> V
DMAX
1
0
EXIT STBY
WAIT
100µs (TYP)
WAIT
100µs (TYP)
VOUT < V
OVP
–
V
OVP (HYS)
V
OUT
> V
OUT(REG)
TRY TO
REGULATE
VOUT TO
NOTES
VOUT < V
OVP
–
V
OVP(HYS)
1
V
OUT(REG)
1. V
DMAX
IS THE CALCULATED GAIN DOWN TRANSITION POINT.
07967-027
0
Figure 42. Fault State Machine