Datasheet > MYRGM080150W31RA

MYRGM080150W31RA

更新时间： 2023-06-19 14:30:26

品牌	Logo	应用领域
村田 - MURATA		/
页数	文件大小	规格书
17页	1049K
描述
民用设备,工业设备

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数据手册

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MYRGM080150W31RA 数据手册

“PicoBK™” MYRGM-W／MYRGM-B series

1.5A Inductor Built-in Step-Down DC/DC Converters

☆GreenOperationCompatible

■GENERAL DESCRIPTION

The MYRGM-W/MYRGM-B series is a synchronous step-down mini DC/DC converter

which integrates an inductor and a control IC in one tiny package (2.5mm×3.2mm, h=1.0mm).

An internal coil simplifies the circuit and enables minimization of noise and other operational

trouble due to the circuit wiring. A wide operating voltage range of 2.7V to 5.5V enables

Support for applications that require an internally fixed output voltage (0.8V to 3.6V).

The MYRGM-W/MYRGM-B series use synchronous rectification at an operating frequency

of 3.0MHz. The MYRGM-W/MYRGM-B series use High Speed Transient Response-COT.

PWM control (MYRGM-W) or automatic PWM/PFM switching control (MYRGM-B) can be selected.

The series have a high speed soft-start as fast as 0.3ms in typical for quick turn-on. With the built-in UVLO (Under Voltage Lock

Out) function, the internal P-channel driver transistor is forced OFF when input voltage becomes 2.0V or lower. When

CE=Low, the integrated C_Ldischarge function which enables the electric charge at the output capacitor C_Lto be discharged via

the internal discharge switch located between the L_Xand V_SSpins. The power consumption will be less than 1.0µA.

■FEATURES

Input Voltage

■APPLICATIONS

: 2.7V～5.5V

●Note Book PC

●TabletPC

●SSD

OutputVoltage

Oscillation Frequency

Output Current

Efficiency

: 0.8V～3.6V

:3.0MHz

:1.5A

●Mobile phone

●Projector

●Printer

: 92% (V_IN=5.0V, V_OUT=3.3V/500mA)

High Speed Transient Response-COT

100% Duty Cycle

PWM (MYRGM-W)

Control Methods

PWM/PFM(MYRGM-B)

: Thermal Shut Down Current

Limit Circuit (Drop)

Circuit Protection

Functions

Short Circuit Protection (Latch)

: Soft-start Circuit Built-in

UVLO

C_LDischarge

Output Capacitor

: Low ESR Ceramic Capacitor

Operating Ambient Temperature

Environmentally Friendly

: -40℃～+105℃

: EU RoHS Compliant, Pb Free

Halogen Free

■TYPICALPERFORMANCE

CHARACTERISTICS

■TYPICAL APPLICATIONCIRCUIT

MYRGM-W/MYRGM-B

(V_OUT=3.3V)

100

MYRGM-B

MYRGM-W

V_IN=5.0V

1000 10000

0.1

100

Output Current : I_OUT(mA)

MYRGM-W/B series A01 Page 1 of 17

12 3 4 5 6 7...17

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