Datasheet > BD9361GUL-E2

BD9361GUL-E2

更新时间： 2024-11-29 12:21:59

品牌	Logo	应用领域
罗姆 - ROHM		稳压器开关
页数	文件大小	规格书
27页	1410K
描述
6ch Internal Power MOSFET System Switching Regulator 1ch LDO

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BD9361GUL-E2 数据手册

BD9361GUL

Datasheet

Power LSI series for Digital Camera and Digital Video Camera

6ch Internal Power MOSFET

System Switching Regulator + 1ch LDO

BD9361GUL

●Outline

●Function block diagram

6-Channel Switching Regulator Controller for Digital Camera

FET

that contains an internal FET, and 1-Channel LDO.

It is optimal power supply composition for Digital Camera or

Digital Video Camera which carries CMOS sensor.

It contributes to mounting area reduction, because CH1～CH4

have built-in feedback resister and WL-CSP of compact

package is adopted.

Motor

5.0V (typ.)

Step UP

DC/DC1

FET

Buck-boost

DC/DC2

System/Analog

3.3V (typ.)

FET

●Features

1) 2.5V minimum input operating, and Supplies power for the

internal circuit by step-up converter(CH1).

2) CH1 step-up converter, CH2 cross converter, CH3,4

step-down converter CH5 step-down converter

controllable output voltage by external resister.CH6 boost

converter for LED,

FET

Core

1.1V (typ.)

Step Down

DC/DC3

FET

Step Down

DC/DC4

Memory

1.8V/1.5V(typ.)

3) All channels contain internal Power MOSFET and

compensation.

4) Operating frequency of 2.0 MHz (CH3,4,5) and 1.0MHz

FET

Step Down

DC/DC5

CMOS sensor/etc.

1.8V (typ.)

（CH1,2,6）.

5) Includes Over Voltage Protection (OVP) for CH1, 2, 6.

6) Includes LDO controllable output voltage by serial

communication.

CMOS sensor/etc.

2.8V (typ.)

FET

LDO

7) Contains sequence control circuit for CH1～3. It is

Step UP

DC/DC6

（Constant

possible to select sequence CH1⇒CH3⇒CH4⇒CH2 and

CH1⇒CH4⇒CH3⇒CH2 by SEQ_CTL pin CH1, 2, 3, 4.

CH5, 6, and LDO are possible to turn ON/OFF by serial

communication.

Load

switch

Current control)

8) Built-In discharge switch (CH2,3,4) and contains off

sequence control circuit for CH1～4 with inverted start-up

sequence.

LED Back light

I2C

Interface

9) Included cut off output voltage circuit during over current

(timer latch type).

10) Include back-gate control for CH1 with soft start function

Fig1. Function block diagram

●package

WLCSP package（3.14mm×3.14mm 0.5mm pitch）

●Use

For Digital Camera, Digital Video Camera

●PIN Assignments (TOP VIEW)

●Key Specifications

・Input voltage accuracy :

2.5V～5.5V

・Output voltage

CH1 output voltage:

CH2 output voltage:

CH3 output voltage:

CH4 output voltage (VOSEL4=H):

CH4 output voltage (VOSEL4=L):

CH5 reference voltage:

CH6 reference voltage:

LDO output voltage:

・Load current

5.0V±1.5%(typ.)

3.3V±1.5% (typ.)

1.1V±1.5% (typ.)

1.8V±1.5% (typ.)

1.5V±1.5% (typ.)

0.8V±1.25% (typ.)

0.4V±5.0% (typ.)

2.8V±1.5% (typ.)

CH1 load current:

1.0A (max)

CH2 load current:

CH3 load current:

CH4 load current:

CH5 load current:

CH6 load current:

LDO load current:

・Frequency(CH3,4,5):

800mA (max)

1.5A (max)

800mA (max)

500mA (max)

50mA (max)

200mA (max)

2.0MHz(typ.)

Fig2. PIN Assignments

・Frequency (CH1,2,6):

1.0MHz(typ.)

○Products：Silicon monolithic IC ○This product is not designed for normal operation with in a radioactive

Status of this document

The Japanese version of this document is the official specification. Please use the translation version of this document as a reference to expedite understanding of the official version.

If these are any uncertainty in translation version of this document, official version takes priority.

www.rohm.com

TSZ02201-0Q2Q0A400010-1-2

2011.12.22 Rev.001

TSZ22111・14・001

12 3 4 5 6 7...27

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