Datasheet > BD9866GUL

BD9866GUL

更新时间： 2024-09-26 01:19:55

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
39页	1309K
描述
4CH Internal Power MOSFET System Switching Regulator

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中文翻译

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数据手册

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BD9866GUL 数据手册

Power LSI series for Digital Camera and Digital Video Camera

4CH Internal Power MOSFET

System Switching Regulator

BD9866GUL

●Outline

BD9866GUL is a 4ch DC/DC converter IC composed of

●Key specifications

・Input voltage range :

4.0V to 14.0V

Buck converter 3-channels and Buck-Boost converter

1-channel.Including power MOSFET of all channels

reduces the number of peripheral devices. Each

channel is controlled individually, that enables to reduce

power consumption of not working channel.

・Output voltage

CH1 reference voltage:

CH2 reference voltage:

CH3 reference voltage:

CH4 reference voltage:

・Load current

CH1 load current:

CH2 load current:

CH3 load current:

CH4 load current:

・Frequency:

0.6V±1.67% (typ.)

0.8V±1.25% (typ.)

●Features

1) Includes Buck converter (CH1, 2 and 4), and

3.0A(max)

2.0A(max)

1.5A(max)

3.0A(max)

1MHz(typ.)

Buck-Boost converter (CH3), total

included.

4 channels

2) Includes Power MOSFET for all channels.

3) Includes Over Current Protection (OCP) for all

channels.

4) Includes Short Circuit Protection (SCP.)

5) Includes Undervoltage Lock Out (UVLO.)

6) Includes Thermal Shut Down (TSD.)

7) Includes Power Good(PG)

●Function block diagram

8) External synchronous oscillation

9) Each channel can be turn on/off individually.

10)Contains internal compensation for all channels.

11)Operation frequency of 1MHz.

FET

Step Down

DC/DC 1

1.1V

1.5V

FET

●Package

WLCSP(3.75mm×3.75mm)

Step Down

DC/DC 2

●Use

FET

For digital single-lens reflex camera, digital video

camera.

Buck Boost

DC/DC 3

5.0V

3.3V

Step Down

DC/DC 4

Figure. 1 Function block diagram

○Product structure:Sillicon monolithic integrated circuit ○This product is not designed protection against radio active rays

www.rohm.com

TSZ02201-0B2B0A400010-1-2

17.APR.2013 Rev.001

1/35

TSZ22111・14・001

12 3 4 5 6 7...39

中文翻译

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