Datasheet > BD1604MUV_11

BD1604MUV_11

更新时间： 2022-10-15 10:54:42

品牌	Logo	应用领域
罗姆 - ROHM		驱动器泵
页数	文件大小	规格书
11页	342K
描述
Backlight LED Drivers for Small LCD Panels (Charge Pump Type)

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BD1604MUV_11 数据手册

LED Drivers for LCD Backlights

Backlight LED Drivers

for Small LCD Panels (Charge Pump Type)

No.11040EBT23

BD1604MUV, BD1604MVV

●Description

This LSI is a 4 white LED driver for small LCD backlight. At the charge pump type, the number of external devices is

minimized.

●Features

1) 4 parallel LED driver is mounted.

2) The LED current can be controlled via an external resistance.

3) Maximum current is 120mA (30mA × 4).

4) LED1 to LED4 can be turned on or off via an external control pin.

5) The relative current accuracy among LEDs (LED1 to LED4) is 3%.

6) Automatically transition to each mode (×1.0, ×1.5, ×2.0).

7) High efficiency (90% or more at maximum) is achieved.

8) Various protection functions such as output voltage protection function, current overload limiter and thermal shutdown

circuit are mounted.

●Applications

This driver provides for:

- Backlight using white LED

- Auxiliary lights for mobile phone cameras and simplified flash

●Lineup

Parameter

Number of LED channels

Maximum current

Package

BD1604MUV

4ch

BD1604MVV

4ch

120mA

VQFN016V3030

3.00mm×3.00mm

SQFN016V4040

4.00mm×4.00mm

●Absolute Maximum Rating (Ta=25℃)

Parameter

Symbol

Ratings

Unit

Power supply voltage

Vmax

BD1604MUV

Allowable loss

700 *¹

BD1604MVV

780 *²

Operating temperature range

Storage temperature range

Topr

Tstr

－30~85

－55~150

℃

When a glass epoxy substrate (70mm×70mm×1.6mm) has been mounted, this loss will decrease 5.6mW/℃ if Ta is higher than or equal to 25℃.

When a glass epoxy substrate (70mm×70mm×1.6mm) has been mounted, this loss will decrease 6.24mW/℃ if Ta is higher than or equal to 25℃.

●Recommended Operation Range

Parameter

Symbol

VBAT

Limits

Unit

Condition

VBAT voltage

Operating supply voltage

2.7～5.5

www.rohm.com

2011.06 - Rev.B

1/10

12 3 4 5 6 7...11

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