Datasheet > BD9123MUV_12

BD9123MUV_12

更新时间： 2024-02-17 16:18:34

品牌	Logo	应用领域
罗姆 - ROHM		转换器
页数	文件大小	规格书
22页	868K
描述
2.7V to 5.5V, 1.2A 1ch Synchronous Buck Converter integrated FET

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BD9123MUV_12 数据手册

Datasheet

2.7V to 5.5V, 1.2A 1ch

Synchronous Buck Converter integrated FET

BD9123MUV

●General Description

ROHM’s high efficiency step-down switching

●Key Specifications

 Input voltage range:

 Output voltage range:

 Output current:

 Switching frequency:

 Pch FET ON resistance:

 Nch FET ON resistance:

 Standby current:

2.7V to 5.5V

0.85V to 1.2V

1.2A (Max.)

regulator BD9123MUV is a power supply designed to

produce a low voltage including 0.85 to 1.2 volts

from 5.5/3.3 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.

1MHz(Typ.)

0.35Ω(Typ.)

0.25Ω(Typ.)

0μA (Typ.)

 Operating temperature range:

-40℃ to +95℃

●Features

●Package

■

Offers fast transient response with current mode

PWM control system.

VQFN016V3030:

3.00mm x 3.00mm x 1.00mm

■

Offers highly efficiency for all load range with

synchronous rectifier (Nch/Pch FET) and SLLM

(Simple Light Load Mode)

Incorporates output voltage inside control

function.(3 bit)

●Applications

Power supply for LSI including DSP, Micro computer

and ASIC

■

Incorporates PGOOD function.

Incorporates soft-start function.

Incorporates thermal protection and ULVO

functions.

■

Incorporates short-current protection circuit with

time delay function.

Incorporates shutdown function Icc=0µA(Typ.)

●Typical Application Circuit

VCC

RPG

Cin

VCC

VCC,PVCC

GND,PGND

PGOOD

VOUT

VID<2:0>

VID<2:0)

ITH

VOUT

ESR

RITH

CITH

Fig.1 Typical Application Circuit

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

www.rohm.com

TSZ02201-0J3J0AJ00120-1-2

02.MAR.2012 Rev.001

1/20

･

TSZ22111 14 001

12 3 4 5 6 7...22

中文翻译

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与BD9123MUV_12相关器件

型号	品牌	获取价格	描述	数据表
BD9123MUV-E2	ROHM	获取价格	Output 1.5A or Less High-efficiency Step-down Switching Regulator with Built-in Power MOSF
BD9130EFJ	ROHM	获取价格	Output 2A or More High-efficiency Step-down Switching Regulator with Built-in Power MOSFET
BD9130EFJ-E2	ROHM	获取价格	Switching Regulator, Current-mode, 2.6A, 1200kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT
BD9130NV	ROHM	获取价格	1ch DC/DC Converter IC built in Synchronous rectifier
BD9130NV_09	ROHM	获取价格	Output 2A or More High-efficiency Step-down Switching Regulator with Built-in Power MOSFET
BD9130NV_12	ROHM	获取价格	2.7V to 5.5V, 2.0A 1ch Synchronous Buck Converter integrated FET
BD9130NV-E2	ROHM	获取价格	2.7V to 5.5V, 2.0A 1ch Synchronous Buck Converter integrated FET
BD9131MUV	ROHM	获取价格	Switching Regulator, Voltage-mode, 3A, 1200kHz Switching Freq-Max, 4 X 4 MM, VQFN-20
BD9132MUV	ROHM	获取价格	Output 2A or More High Efficiency Step-down Switching Regulator with Built-in Power MOSFET
BD9132MUV_12	ROHM	获取价格	2.7V to 5.5V, 3.0A 1ch Synchronous Buck Converter integrated FET

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