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MP2331C PDF预览

MP2331C

更新时间: 2024-11-05 17:02:07
品牌 Logo 应用领域
芯源 - MPS /
页数 文件大小 规格书
20页 1377K
描述
具有 PG、SS 和强制 CCM 的 24V、2A、650kHz 同步降压变换器,采用 1.6x2.1mm SOT583 封装

MP2331C 数据手册

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MP2331C  
DESCRIPTION  
FEATURES  
The MP2331C is a fully integrated high-  
frequency, synchronous, rectified, step-down,  
switch-mode converter with internal power  
MOSFETs. The MP2331C offers a very  
compact solution that achieves 2A of  
continuous output current with excellent load  
and line regulation over a wide input range. The  
MP2331C uses synchronous mode operation  
for higher efficiency over the output current load  
range.  
Wide 4.2V to 24V Operating Input Range  
110mΩ/45Low RDS(ON) Internal Power  
MOSFETs  
200µA Low IQ  
High-Efficiency Synchronous Mode  
Operation  
Fast Load Transient Response  
650kHz Switching Frequency  
Forced PWM Operation  
Programmable Soft-Start Time  
Power Good (PG) Indication  
Over-Current Protection (OCP) and Hiccup  
Pre-Bias Start-Up  
Thermal Shutdown  
Available in a SOT583 (1.6mmx2.1mm)  
Package  
Constant-on-time (COT) control operation  
provides very fast transient response, easy loop  
design, and very tight output regulation.  
Full protection features include short-circuit  
protection (SCP), over-current protection (OCP),  
under-voltage protection (UVP), and thermal  
shutdown.  
APPLICATIONS  
The MP2331C requires a minimal number of  
Game Consoles  
readily  
available,  
standard,  
external  
Digital Set-Top Boxes  
Flat-Panel Television and Monitors  
General Purposes  
components and is available in a space-saving  
SOT583 package  
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  
VOUT = 3.3V, L = 4.7μH,  
DCR = 19.5mΩ  
R4  
20Ω  
100  
95  
19V  
C1  
22µF  
C3  
1µF  
L1  
4.7  
90  
µH  
3.3V/2A  
85  
PG  
PG  
C2  
44µF  
80  
MP2331C  
R1  
40.2kΩ  
75  
70  
65  
60  
55  
50  
R2  
R3  
20kΩ  
Vin=5V  
13kΩ  
Vin=12V  
Vin=19V  
Vin=24V  
SS  
C4  
6.8nF  
0
0.5  
1
1.5  
2
LOAD CURRENT (A)  
MP2331C Rev. 1.0  
9/12/2018  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2018 MPS. All Rights Reserved.  
1

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