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MP2328 PDF预览

MP2328

更新时间: 2024-11-05 17:01:31
品牌 Logo 应用领域
芯源 - MPS /
页数 文件大小 规格书
24页 1040K
描述
高效率、28V、2A、450kHz、同步降压变换器,采用 SOT583 封装

MP2328 数据手册

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MP2328  
High-Efficiency, 28V, 2A, 450kHz,  
Synchronous Step-Down Converter  
In SOT583 Package  
DESCRIPTION  
FEATURES  
The MP2328 is a fully integrated, high-  
frequency, synchronous, rectified, step-down  
switch-mode converter with internal power  
MOSFETs. It offers a very compact solution to  
achieve 2A of continuous output current across  
a wide input range, with excellent load and line  
regulation. The MP2328 has synchronous  
mode operation for high efficiency across the  
wide output current load range.  
Wide 4.5V to 28V Operating Input Range  
Wide 0.5V to 16V VOUT  
±1.5% Internal Reference Accuracy Over-  
Temperature  
130m/60mLow RDS(ON) Internal Power  
MOSFETs  
160µA Quiescent Current  
>92% Efficiency for 24V to 5V/2A Condition  
Power Save Mode at Light Load  
Fast Load Transient Response  
450kHz Switching Frequency  
Constant-on-time (COT) control provides very  
fast transient response and easy loop design,  
as well as tight output regulation.  
tON Extension to Improve Dropout  
Configurable Soft-Start Time  
Power Good Indication  
Over-Current Protection with Hiccup Mode  
Thermal Shutdown Protection  
Available in an SOT583 Package  
Optimized Performance with  
MPS Inductor MPL-AL  
Series  
Full protection features include short-circuit  
protection (SCP), over-current protection (OCP),  
under-voltage protection (UVP), and thermal  
shutdown.  
The MP2328 requires a minimal number of  
readily available, standard external components.  
It is available in a space-saving SOT583  
package.  
APPLICATIONS  
Game Consoles  
Multi-Function Printers  
Power Meters  
Flat Panel Televisions and Monitors  
General-Purpose Power Supplies  
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  
registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries.  
TYPICAL APPLICATION  
Efficiency  
VOUT = 5V, L = 10μH, DCR = 24mΩ  
100  
V
IN  
6.5V to 28V  
BST  
SW  
L1  
10μH  
C3  
0.1μF  
VIN  
VOUT  
90  
C1  
10μF x 2  
5V/2A  
C2  
22μF x 2  
80  
Vin=12V  
MP2328  
R1  
On/Off  
EN  
SS  
70  
60  
50  
40  
Vin=19V  
Vin=24V  
90.9kΩ  
FB  
R6  
10kΩ  
C4  
22nF  
R2  
10kΩ  
PG  
GND  
0.001  
0.01  
0.1  
1
10  
LOAD CURRENT(A)  
MP2328 Rev. 1.0  
12/11/2020  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2020 MPS. All Rights Reserved.  
1

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