Datasheet > BD65D00MUV

BD65D00MUV

更新时间： 2022-02-26 12:59:54

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
40页	985K
描述
4-Channel White LED Driver

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BD65D00MUV 数据手册

Datasheet

4-Channel White LED Driver

with Integrated FET for up to 40 LEDs

BD65D00MUV



PWM dimming(100Hz - 25kHz)Analog

Brightness Control

●General Description

This IC is white LED driver IC with PWM step-up

DC/DC converter that can boost max 41V and current

driver that can drive max 100mA. The wide and

precision brightness can be controlled by external

PWM pulse. This IC has very accurate current drivers,

and it has few current errors between each strings. So,

it will be helpful to reduce brightness spots on the LCD

panel. Small package is suited for saving space.

It can respond to the application according to the

application to be abele to switch to external/internal

NchFET boosting.

●Key Specifications

 Operating power supply voltage range:

 LED maximum current:

 Quiescent Current:

 Operating temperature range:

6V to 27V

100mA/ch

1.6μA (typ.)

-40℃ to +85℃

●Package

W(typ.) x D(typ.) x H(Max.)

●Features



High efficiency PWM step-up DC/DC converter

(fsw=typ 1.25MHz, 0.60MHz to 1.6MHz)

High accuracy & good matching current drivers

4ch (MAX100mA/ch)



Integrated 50V power Nch MOSFET

Soft Start function

Drive up to 10 LEDs in series,

4 strings in parallel

VQFN028V5050

5.00mm x 5.00mm x 1.00mm



Various safety functions

● Over-voltage protection

● External SBD open detect / Output

Short protection

Figure 1.

● Over current limit

● CH Terminal open / GND short protect

● CH over voltage protect / LED short protect

● Thermal shutdown

● UVLO

● ISET short protection

●Applications

All LCD equipments, Backlight of Notebook PC,

Amusement, net book, monitor, TV, Portable DVD

player, light source etc.

●Typical Application Circuit (4 parallel)

6V to 27V

Figure 2. Typical Application Circuit

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

www.rohm.com

TSZ02201-0G3G0C400220-1-2

7.Dec.2012 Rev.001

1/36

TSZ22111･14･001

12 3 4 5 6 7...40

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