Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

BD9486F Datasheet(PDF) 16 Page - Rohm

Part # BD9486F
Description  1ch Boost up type White LED Driver for large LCD
PDF  38 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9486F Datasheet(HTML) 16 Page - Rohm

Back Button BD9486F_16 Datasheet HTML 12Page - Rohm BD9486F_16 Datasheet HTML 13Page - Rohm BD9486F_16 Datasheet HTML 14Page - Rohm BD9486F_16 Datasheet HTML 15Page - Rohm BD9486F_16 Datasheet HTML 16Page - Rohm BD9486F_16 Datasheet HTML 17Page - Rohm BD9486F_16 Datasheet HTML 18Page - Rohm BD9486F_16 Datasheet HTML 19Page - Rohm BD9486F_16 Datasheet HTML 20Page - Rohm Next Button
Zoom Inzoom in Zoom Outzoom out
 16 / 38 page
background image
Datasheet
Datasheet
16/34
TSZ02201-0F1F0C100240-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
15.Feb.2016 Rev.006
www.rohm.com
TSZ22111・15・001
BD9486F
【setting example】
Above equation is translated as follows.
When VIN=12V, ICC=2.0mA, IREG=50mA and IDCDC=2mA, RVCC’s value is calculated as follows.
(ICC is 2.6mA(typ.)) . Please set each values with tolerance and margin.
●3.2.4 LED current setting
LED current can be adjusted by setting the resistance RS [Ω] which connects to ISENSE pin and ADIM[V].
Relationship between RS and ILED current
With DC dimming (ADIM<3.0V)
Without DC dimming (ADIM>3.0V)
【setting example】
If ILED current is 200mA and ADIM is 2.0V, we can calculate RISENSE as below.
●3.2.5 DCDC Oscillation Frequency Setting
RRT which connects to RT pin sets the oscillation frequency fSW of DCDC.
○Relationship between frequency fSW and RT resistance (ideal)
【setting example】
When DCDC frequency fsw is set to 200kHz, RRT is as follows.
　
]
Ω
[
33
.
3
]
A
[
2
.
0
]
V
[
0
.
2
3
1
]
A
[
I
]
V
[
ADIM
3
1
R
LED
ISENSE
]
Ω
[
]
A
[
I
]
V
[
ADIM
3
1
R
LED
ISENSE
]
A
[
IREG
]
A
[
IDCDC
]
A
[
ICC
]
V
[
9
]
V
[
VIN
]
Ω
[
RVCC
　
　
　
　
　
　
]
Ω
[
]
A
[
I
]
V
[
015
.
1
R
LED
ISENSE
Figure 24. LED current setting example
Figure 25. RT terminal setting example
　
]
k
[
]
kHz
[
f
15000
R
SW
RT
　
]
k
[
]
kHz
[
]
kHz
[
f
R
sw
RT
75
200
15000
15000
]
[
[A]
]
A
[
.
]
A
[
.
]
V
[
]
V
[
]
[
RVCC
56
0.050
002
0
002
0
9
12



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com