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reverts to STATE 0. The accelerated reset function can be enabled with the scheme switch
[CLDOEN] setting.
Cold load protection can be disabled by setting [CLEN] to "OFF".
STATE 0
CB status: Closed
Settings: Normal
Monitor CB status
CB opens
STATE 1
CB status: Open
Settings: Normal
Run T CLE timer
Monitor CB status
STATE 2
CB status: Open
Settings: Cold Load
Monitor CB status
Figure 2.10.2.1 State Transition Diagram for Cold Load Protection
CB_CLOSE
From Figure 2.2.4.2.
CB_OPEN
368
STATE 0
369
STATE 1
370
STATE 2
371
STATE 3
[CLEN]
+
1
"OFF"
108
ICLDO-A
109
ICLDO-B
110
ICLDO-A
[CLDOEN]
+
"ON"
Figure 2.10.2.2 Scheme Logic for Cold Load Protection
CB closes
within
T CLE time
T CLR timer
expires
T CLE timer
expires
CB closes
CB opens
within
CLR time
&
TCLE
t
0
&
0 - 10000s
&
&
&
TCLR
0
t
&
0 - 10000s
&
≥1
1
⎯ 47 ⎯
I
<ICLDO for
L
T CLDO time
STATE 3
CB status: Closed
Settings: Cold Load
Run T CLR timer
Monitor CB status
Monitor load current I
≥1
≥1
TCLDO
t
0
0.00 - 100.00s
6 F 2 S 0 8 2 8
L
Change to
STATE 1
Change to
STATE 2
Change to
STATE 0
Change to
STATE 3
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