Datasheet > MP2145GD

MP2145GD

更新时间： 2024-11-15 01:23:11

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
19页	1390K
描述
5.5V, 6A, 1.2MHz, High-Efficiency, 40uA IQ Constant On-Time Synchronous, Step-Down Switcher

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MP2145GD 数据手册

MP2145

5.5V, 6A, 1.2MHz, High-Efficiency, 40μA I_Q

Constant On-Time

Synchronous, Step-Down Switcher

DESCRIPTION

FEATURES

The MP2145 is a monolithic, step-down, switch-

mode converter with internal power MOSFETs. It

can achieve up to 6A continuous output current

from a 2.8V-to-5.5V input voltage with excellent

load and line regulation. The output voltage can

be regulated to as low as 0.6V.



Up to 6A Output Current

Wide 2.8V-to-5.5V Operating Input Range

20mΩ and 12mΩ Internal Power MOSFETs

40µA Quiescent Current

1.2MHz Fixed Switching Frequency

100% Duty Cycle in Dropout

1% Feedback Accuracy

Constant-on-time control provides a fast transient

response and eases loop stabilization. Fault

condition protections include cycle-by-cycle

current limiting and thermal shutdown.

External Mode Control

External VCON Control

Adjustable Output from 0.6V

1.5ms Internal SS Time with Pre-Bias Startup

Cycle-by-Cycle Over Current Protection

Short Circuit Protection with Hiccup Mode

Stable with Low-ESR Output Ceramic

Capacitors

Thermal Shutdown

Available in a 2mm×3mm QFN Package

Output Discharge Function

The MP2145 is available in a small QFN2×3mm

package and requires only a minimal number of

readily-available, standard, external components.

The MP2145 is ideal for a wide range of

applications, including storage (SSD, HDD), high-

performance DSPs, FPGAs, and distributed

power systems.



APPLICATIONS



Storage (SSD, HDD)

Portable Instruments

Battery-Powered Devices

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

VIN

VOUT

0.47uH

2.8V to 5.5V

1.2V/6A

VIN

22uF 22uF

OUT

22uF

200k

MP2145

200k

Ramp

MODE/

VCON

MODE/

VCON

GND

MP2145 Rev. 1.11

12/20/2016

www.MonolithicPower.com

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

12 3 4 5 6 7...19

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与MP2145GD相关器件

型号	品牌	获取价格	描述	数据表
MP2147	MPS	获取价格	5.5V, 4A, 1.2MHz, High-Efficiency, 40uA IQ Constant On-Time Synchronous, Step-Down Switche
MP2147GD	MPS	获取价格	5.5V, 4A, 1.2MHz, High-Efficiency, 40uA IQ Constant On-Time Synchronous, Step-Down Switche
MP2147GD-Z	MPS	获取价格	Switching Regulator, 1200kHz Switching Freq-Max, QFN-13/12
MP2148	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN
MP2148GQD	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN
MP2148GQD-12	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN
MP2148GQD-15	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN
MP2148GQD-18	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN
MP2148GQD-25	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN
MP2148GQD-33	MPS	获取价格	1A Synchronous Step-down Converter with 11uA Iq in Ultra-small 1x1.5mm QFN

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