BD9206EFV_14 Datasheet, PDF (11/21 Pages) Rohm – Simple Structure Constant Current Backlight Driver for LCD panels

BD9206EFV
4. Recommended Application Board Circuit
CVCC
Datasheet
CVREG
Figure 14
(1) For this IC, at the time of LED lighting, the temperature of the package increases due to heat generation of the
constant current driver. Therefore, attach a heat sink at the back of the package to the GND with wide substrate
pattern.
(2) In addition, the heat sinking can be further improved by putting a thermal VIA within. It can also be done by connecting
the unconnected terminals, TEST terminals and unused terminals of LED1 to LED6 to GND.
5. Recommended External Components
When you use VCC=24V ILED=20mA
Variety
Symbol
Usage
Type
Resistance R1 to R6 For reducing IC thermal loss
MCR03Series15R0
Capacitor
CVCC
CVREG
For input bypass capacitor
GMR55DB31H106
For VREG phase compensation GMR188R71A105
Maker
ROHM
murata
murata
Value
Unit
15Ω
10uF
1uF
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09.Dec.2014 Rev.002