Datasheet > BD9111NV_10

BD9111NV_10

更新时间： 2024-11-04 08:51:51

品牌	Logo	应用领域
罗姆 - ROHM		稳压器开关
页数	文件大小	规格书
14页	361K
描述
Output 2A or More High Efficiency Step-down Switching Regulator with Built-in Power MOSFET

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BD9111NV_10 数据手册

Single-chip built-in FET type Switching Regulators

Output 2A or More High Efficiency

Step-down Switching Regulator

with Built-in Power MOSFET

BD9111NV

No.10027EBT32

●Description

ROHM’s high efficiency step-down switching regulator BD9111NV is a power supply designed to produce a low voltage

including 3.3 volts from 5 volts power supply line. Offers high efficiency with our original pulse skip control technology and

synchronous rectifier. Employs a current mode control system to provide faster transient response to sudden change in load.

●Features

1) Offers fast transient response with current mode PWM control system.

2) Offers highly efficiency for all load range with synchronous rectifier (Nch/Pch FET)

and SLLM^TM(Simple Light Load Mode)

3) Incorporates soft-start function.

4) Incorporates thermal protection and ULVO functions.

5) Incorporates short-current protection circuit with time delay function.

6) Incorporates shutdown function

7) Employs small surface mount package : SON008V5060

●Applications

Power supply for LSI including DSP, Micro computer and ASIC

●Absolute Maximum Ratings (Ta=25℃)

Parameter

Symbol

Ratings

Unit

VCC Voltage

PVCC Voltage

EN Voltage

VCC

PVCC

VEN

-0.3～+7 ^*1

-0.3～+7

900^*2

SW,ITH Voltage

VSW,VITH

Pd1

Power Dissipation 1

℃

Power Dissipation 2

Pd2

3900^*3

Operating temperature range

Storage temperature range

Maximum junction temperature

Topr

-25～+105

-55～+150

+150

Tstg

Tjmax

Pd should not be exceeded.

Derating in done 7.2mW/℃ for temperatures above Ta=25℃, Mounted on 70mm×70mm×1.6mm Glass Epoxy PCB (the density of copper:3%)

Derating in done 31.2mW/℃ for temperatures above Ta=25℃, Mounted on JESD51-7.

●Operating Conditions (Ta=25℃)

Ratings

Parameter

Symbol

Unit

Min.

4.5

Typ.

5.0

Max.

5.5

VCC Voltage

VCC

PVCC Voltage

PVCC

5.5

EN Voltage

VEN

Isw ^*4

VCC

2.0

SW average output current

Pd should not be exceeded.

www.rohm.com

2010.04 - Rev.B

1/13

12 3 4 5 6 7...14

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