Datasheet > MP2322

MP2322

更新时间： 2024-11-29 17:01:15

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
19页	1248K
描述
1A、3-22V、5μA IQ 同步降压变换器，采用 1.5x2mm QFN 封装

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中文翻译

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MP2322 数据手册

MP2322

1A, 3-22V, 5μA I_Q, Synchronous,

Step-Down Converter in 1.5x2mm QFN

DESCRIPTION

FEATURES

The MP2322 is a synchronous, rectified, step-

down, switch-mode converter with built-in

internal power MOSFETs and high light-load

efficiency. The MP2322 offers a very compact

solution that achieves 1A of continuous output

current with excellent load and line regulation

over a wide input supply range.



Wide 3V to 22V Operating Input Range

5µA Low I_Q

1A Load Current

260mΩ/120mΩ R_DS(ON)Internal Power

MOSFETs

High Efficiency from 100µA to 1A Load

during V_INfrom 4V to 22V

Power-Save Mode (PSM) in Light-Load

Condition



The MP2322 switching edge is optimized for

EMI reduction. Constant-on-time (COT) control

provides seamless mode transition and a fast

load transient response.

1.25MHz Fixed Switching Frequency during

CCM



T_ONExtension to Support Large Duty Cycles

Power Good (PG) Indication

EN Shutdown Output Discharge

OCP and OVP and Hiccup

Output Adjustable from 0.6V

Available in a QFN-8 (1.5mmx2mm)

Package

Full protection features include over-current

protection (OCP), over-voltage protection

(OVP), and thermal shutdown.

The MP2322 requires a minimal number of

readily

available,

standard,

external

components and is available in a space-saving

QFN-8 (1.5mmx2mm) package.

APPLICATIONS



IOT

Home Automation, Home Security

Single- or Multi-Cell Li-Ion Battery Systems

Multi-Cell Dry Battery Systems

12V Input Power Rails

White Goods

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”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

TYPICAL APPLICATION

Efficiency vs. Output Current

V_IN= 12V, V_OUT= 3.3V, L = 3.3µH, DCR =

9mΩ

3-22V

VIN

BST

0.1µ

100

µF

VOUT

3.3µH

V/1A

3.3

MP2322

3.3V

µF

100kΩ

976kΩ

Vin=4.5V

Vin=12V

Vin=22V

VCC

GND

220kΩ

1µF

0.0001

0.001

0.01

0.1

Load current(A)

MP2322 Rev. 1.01

9/6/2019

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...19

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与MP2322相关器件

型号	品牌	获取价格	描述	数据表
MP2324	MPS	获取价格	High Efficiency 2A, 24V, 500kHz Synchronous Step-Down Converter
MP2324GJ	MPS	获取价格	High Efficiency 2A, 24V, 500kHz Synchronous Step-Down Converter
MP2325	MPS	获取价格	High Efficiency 3A, 24V, 500kHz Synchronous Step-Down Converter
MP2325GJ	MPS	获取价格	High Efficiency 3A, 24V, 500kHz Synchronous Step-Down Converter
MP2326	MPS	获取价格	19V, 4A, 40Î¼A IQ, High-Efficiency Constant-O
MP2326GD	MPS	获取价格	19V, 4A, 40Î¼A IQ, High-Efficiency Constant-O
MP2328	MPS	获取价格	高效率、28V、2A、450kHz、同步降压变换器，采用 SOT583 封装
MP2328C	MPS	获取价格	带PG和软启动（SS）功能的高效率、28V、2A、450kHz、同步降压变换器，采用强制
MP2329	MPS	获取价格	4.5 至 24V, 6.5A, 低 IQ, 同步 Buck 降压变换器
MP2329C	MPS	获取价格	24V, 6.5A, 低 IQ, 同步 Buck 降压变换器，采用强制连续导通模式 (CC

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