BD6586MUV Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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z Structure
Silicon Monolithic Integrated Circuit
z Product Name
z Type
Step-up DC/DC converter for medium size LCD panel
BD6586MUV
z Features
High efficiency PWM step-up DC/DC converter (fsw=1MHz)
High accuracy and good matching current driver 4ch
Drive up to 6 in series × 4 strings in parallel =24white LEDs
(*white LED Vf=4.0Vmax)
zAbsolute maximum ratings (Ta=25^oC)
Parameter
Symbol
Maximum applied voltage 1
VMAX1
Maximum applied voltage 2
VMAX2
Limits
7
25
Unit
Condition
VBAT, EN1, EN2, TRSW, PWM,
V
TESTO, ISET, TEST
V
LED1, LED2, LED3, LED4,
Maximum applied voltage 3
VMAX3
30.5
V
SW
Maximum applied voltage 4
VMAX4
50.5
V
VDET
Power dissipation 1
Pd1
500
mW
*1
Power dissipation 2
Pd2
780
mW
*2
Power dissipation 3
Pd3
1510
mW
*3
Operating temperature range
Topr
-40 ~ +85
o_C
-
Storage temperature range
Tstg
-55 ~ +150
o_C
-
(*1) It will be reduced every 4.0mW/^oC (Ta>25^oC) when it’s not mounted on a heat radiation Board.
(*2) it will be reduced every 6.2mW/^oC (Ta>25^oC) when It’s not mounted on 1 layer board (ROHM Standard board) and Copper foil area 0mm²
(*3) It will be reduced every 12.1mW/^oC (Ta>25^oC) when it’s mounted on 4 layer board (JEDEC Compliant board) and Copper foil area 6.28mm² on
1st layer and Copper foil area 5655.04mm². 2nd-4th layer.
zOperating conditions (Ta=-40 to +85^oC)
Parameter
Symbol
Rating
Unit
Min.
Typ.
Max.
Supply voltage
VBAT
2.7 ~ 5.5
V
This product isn’t designed to protect itself against radioactive rays.
Condition
Status of this document
The English version of this document is the formal specification.
A customer may use this translation version only for a reference to help reading the formal version.
If there are any differences in translation version of this document, formal version takes priority.
Application example
▪ ROHM cannot provide adequate confirmation of patents.
▪ The product described in this specification is designed to be used with ordinary electronic equipment or devices (such as audio-visual
equipment,
office-automation equipment, communications devices, electrical appliances, and electronic toys).
Should you intend to use this product with equipment or devices which require an extremely high level of reliability and the malfunction of which
would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers,
fuel
controllers and other safety devices), please be sure to consult with our sales representative in advance.
▪ ROHM assumes no responsibility for use of any circuits described herein, conveys no license under any patent or other right, and makes no
representations that the circuits are free from patent infringement.
Rev.A