Datasheet > MP21148GQD

MP21148GQD

更新时间： 2024-11-15 01:16:07

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
14页	1162K
描述
1A, Synchronous, Step-Down Converter with CCM

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MP21148GQD 数据手册

MP21148

1A, Synchronous, Step-Down Converter

with CCM

DESCRIPTION

FEATURES

The MP21148 is a monolithic, step-down,

switch-mode converter with built-in, internal

power MOSFETs. It can achieve 1A of

continuous output current from a 2.3V-to-5.5V

input voltage with excellent load and line

regulation. The output voltage can be regulated

as low as 0.6V.



2.4MHz Switching Frequency

EN for Power Sequencing

Wide 2.3V-to-5.5V Operating Input Range

Output Adjustable from 0.6V

Up to 1A of Output Current

120mΩ and 80mΩ Internal Power MOSFET

Switches



Output Discharging

100% Duty Cycle

Short-Circuit Protection (SCP) with Hiccup

Mode

Stable with Low ESR Output Ceramic

Capacitors

Available in a QFN-6 (1.0mmx1.5mm)

Package

Continuous Conduction Mode (CCM)

The constant-on-time control scheme in forced

CCM provides a fast transient response, low

output voltage ripple, and eases loop

stabilization. Fault protections include cycle-by-

cycle current limiting and thermal shutdown.



The MP21148 is available in an ultra-small

QFN-6 (1.0mmx1.5mm) package and requires

a minimal number of readily available, standard,

external components.

APPLICATIONS

The MP21148 is ideal for a wide range of

applications including high-performance DSPs,

wireless power, portable and mobile devices,

and other low-power systems.



Wireless/Networking Cards

Portable and Mobile Devices

Battery-Powered /Wearable Devices

Low-Voltage I/O System Power

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For

MPS green status, please visit the MPS website under Quality Assurance.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

1μH

VIN

VOUT

1.2V/1A

VIN

OUT

10μF

200kΩ

MP21148

200kΩ

GND

MP21148 Rev. 1.1

2/16/2017

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...14

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与MP21148GQD相关器件

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MP2115	MPS	获取价格	2A Synchronous Step-Down Converter with Programmable Input Current Limit
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MP2116	MPS	获取价格	2A, 6V, 100% Duty Cycle Synchronous Step-Down Converter with 0.5A LDO
MP2116DQ	MPS	获取价格	2A, 6V, 100% Duty Cycle Synchronous Step-Down Converter with 0.5A LDO
MP2116DQ-LF	MPS	获取价格	Switching Regulator, Current-mode, 4A, 1500kHz Switching Freq-Max, PDSO10, 3 X 3 MM, LEAD
MP2116DQ-LF-Z	MPS	获取价格	Switching Regulator, Current-mode, 4A, 1250kHz Switching Freq-Max, PDSO10, 3 X 3 MM, LEAD
MP2116DQ-Z	MPS	获取价格	Switching Regulator, Current-mode, 4A, 1500kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MO-22
MP2116DQ-Z-LF	MPS	获取价格	Switching Regulator, Current-mode, 4A, 1500kHz Switching Freq-Max, PDSO10, 3 X 3 MM, LEAD
MP2117DN	MPS	获取价格	Switching Regulator, Current-mode, 1500kHz Switching Freq-Max, PDSO8, MS-012AA, SOIC-8
MP2117DN-LF	MPS	获取价格	Switching Regulator, Current-mode, 1500kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MS-0

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