Datasheet > MAP7154

MAP7154

更新时间： 2024-11-24 01:18:59

品牌	Logo	应用领域
美格纳 - MGCHIP		/
页数	文件大小	规格书
14页	1127K
描述
6MHz, 800mA Buck Converter for RFPA

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MAP7154 数据手册

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Datasheet Version 1.0

Datasheet – MAP7154

6MHz,800mABuckConverterforRFPA

General Description

Features

The MAP7154 is synchronous buck converter for 3G,

3.5G and 4G RFPA (RF Power Amplifier).

The MAP7154 can operate at 6MHz switching

frequency and has 2.7V to 5.5V input voltage range,

800mA output current capability.

The MAP7154 has three output modes. In Seep

mode, output regulation is not required and MAP7154

may be entering in Sleep mode by setting V_REF

nominally to 100mV, also very low I_Qoperation. In

Buck mode, output voltage can be programmed from

0.4V to 3.50V in proportion to V_REFinput voltage

ranged from 0.16V to 1.40V. Output voltage is the

same with input voltage in bypass mode. Bypass

mode reduces the voltage drop to less than 60mV.

These features enable RFPA to operate at higher

power efficiency saving its output power.



2.7V to 5.5V input voltage range

0.4V to 3.50V output voltage in Buck mode

Low drop output voltage in Bypass mode

800mA output current

6MHz switching frequency

Up to efficiency : 96%

Soft-Start : 50us

Quiescent current in sleep mode :Typ.70uA

Shutdown current : Typ. 1uA

100% max duty

Fast load transient

Protections : Current limit, Thermal Shutdown

Package : 1.32mm x 1.27mm, 0.40mm-pitch,

9 bumps, WLCSP package

The MAP7154 has the protections, input under voltage

lockout, thermal shutdown and over current limit.

The MAP7154 is available in 1.32mm x 1.27mm

0.40mm pitch, 9 bumps WLCSP package

Applications



Mobile phones

Digital cameras

USB devices

Ordering Information

Top

Marking

Ambient

Temperature Range

Part Number

Package

RoHS Status

MAP7154WCRH

54LLL

-40℃ to +85℃

1.32mmX1.27mm, 0.40mm pitch, 9 bumps WLCSP

Halogen Free

Typical Application

MAP7154

VOUT

VIN

SGND

PGND

VREF

BYP

Aug. 2013

12 3 4 5 6 7...14

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