BD91361MUV

更新时间： 2024-11-04 07:16:51

品牌	Logo	应用领域
罗姆 - ROHM		转换器
页数	文件大小	规格书
23页	942K
描述
2.7V to 5.5V, 4A 1ch Synchronous Buck Converter Integrated FET

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BD91361MUV 数据手册

Datasheet

2.7V to 5.5V, 4A 1ch

Synchronous Buck Converter Integrated FET

BD91361MUV

●General Description

●Key Specifications

ROHM’s high efficiency step-down switching regulator

BD91361MUV is a power supply designed to produce

a low voltage including 0.8 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.

 Input voltage range:

 Output voltage range:

 Output current:

 Switching frequency:

 High side FET ON resistance:

 Low side FET ON resistance:

 Standby current:

2.7V to 5.5V

0.8V to 3.3V

4.0A (Max.)

1MHz(Typ.)

60mΩ(Typ.)

55mΩ(Typ.)

0μA (Typ.)

 Operating temperature range:

-40℃ to +105℃

●Features

●Package

VQFN020V4040:

Typ.)

(Typ.)

(Max.)

 Offers fast transient response with current mode

PWM control system.

4.00mm x 4.00mm x 1.00mm

 Offers highly efficiency for all load range with

synchronous rectifier (Nch/Nch FET)

and SLLM^TM(Simple Light Load Mode)

 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.)

●Applications

Power supply for LSI including DSP, Micro computer

and ASIC

VQFN020V4040

●Typical Application Circuit

Cin

VCC

PVCC

VCC

CBST

ADJ

VOUT

ITH

VOUT

GND,PGND

VID<1> VID<0>

RITH

CITH

ESR

VCC

Fig.1 Typical Application Circuit

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

www.rohm.com

TSZ02201-0J3J0AJ00200-1-2

02.MAR.2012 Rev.001

TSZ22111･14･001

1/21

12 3 4 5 6 7...23

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