BD9285F ROHM [Rohm], BD9285F Datasheet - Page 34

• Manufacturer Part Number: BD9285F
• Description: Boost 1channel white LED driver For large LCDs
• Manufacturer: ROHM [Rohm]

3.7.9 the spontaneous detection OVP and OPEN.
(*1)…The time chart shows the OPEN detects faster and does not reach to the latch off state. The DIMOUT asserts high.
(*2)…If OPEN and OVP is detected spontaneously, OVP has the priority, and GATE=L, DIMOUT=L.
(*3)…IC will be latched off by the OVP factor.
(*4)…The latch off state is reset by the STB=L.
(*5)…The OVP has the priority too, in the case the OVP is detected first and the OPEN succeeds.
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TSZ22111・15・001
BD9285F
CP COUNTOR
STATE
DIMOUT
INSENSE
FAILB
GATE
STB
OVP
SS
NORMAL
(*1)
0.1V
COUNTOR
(*2)
4count
3.0V
(*3)
Latch off
34/36
(*4)
（Reset）
OFF
1.1V
NORMAL
0.1V
TSZ02201-0F1F0C100030-1-2
COUNTOR
3.0V
(*5)
4count
11.Jul.2012 Rev.001
Latch off
2.9V
0.1V
Datasheet