BD6592MUV 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
BD6592MUV
z Features
High efficiency PWM step-up DC/DC converter (fsw=1MHz)
High accuracy and good matching current driver 6ch
Drive up to 12 in series x 6 strings in parallel =72 white LEDs
(*white LED Vf=3.5Vmax)
zAbsolute Maximum Ratings (Ta=25^oC)
Parameter
Symbol
Maximum applied voltage1
VMAX1
Maximum applied voltage2
VMAX2
Rating
7
25
Unit
Condition
TEST,VREG,SENSP,SENSN,
V SW,RSTB,PWMPOW,PWMDRV,
FAILSEL,ISETH,ISETL
LED1, LED2, LED3, LED4,
V
LED5, LED6, VBAT
Maximum applied voltage3
VMAX3
50.5
V
VDET
Power dissipation1
Pd1
500
mW
*1
Power dissipation2
Pd2
780
mW
*2
Power dissipation3
Pd3
1510
mW
*3
Operating temperature range Topr
-30 ~ +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=-30 to +85^oC)
Parameter
Symbol
Rating
Unit
Min.
Typ
Max
Supply voltage
VBAT
2.7 ~ 22.0
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