BD9422EFV_15 Datasheet, PDF (26/30 Pages) Rohm – White LED Driver for large LCD panel

BD9422EFV
Datasheet
Revision History
Date
22.Sep.2012
6.Mar.2013
9.Jun.2013
22.Dec.2014
2.Jul.2015
1.Sep.2015
Revision
001
002
003
004
005
006
Changes
Draft Version
p.12 UVLO’s explanation 2.4V→2.3V
p.13 UVLO detection condition UVLO<2.4V→2.3V
p.14 UVLO detection condition UVLO<2.4V→2.3V
p.17 Equation of setting UVLO lock Vinlock=2.4×｛ → Vinlock=2.3×｛
1/530k+480k+40k）×R1 → 1/530k+480k+87k）×R1
p.20 ●3.8 Timing chart modify FAIL logic
p.2 Pin Configuration 37pin LPS→LSP
p.14 ●3.3.2 List of the protection function modify table’s contents
p.13,14 The detailed timing condition for protections is added.
p.15 ●3.4 Connecting operation of Master/ slave modify master/slave table
p.17 ●3.5.9 How to set the UVLO 2.4V -> 2.3V
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TSZ02201-0F1F0C100210-1-2
1.Sep.2015 Rev.006