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MP5403

更新时间： 2024-09-22 01:23:03
品牌 Logo 应用领域
芯源 - MPS 集成电源管理电路
页数 文件大小 规格书
22页 1314K
描述
Configurable 2.7V-6V Mini PMIC with Dual 2.5A/3.5A Buck, One Load Switch, and Input Power Supervisory

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MP5403 数据手册

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MP5403  
Configurable 2.7V-6V Mini PMIC  
with Dual 2.5A/3.5A Buck, One Load Switch,  
and Input Power Supervisory  
DESCRIPTION  
FEATURES  
The MP5403 is  
a
monolithic power  
Low Iq: 85µA for Two Switchers Total  
Two Buck Converters  
o 3.5A with 55mΩ/20mΩ RDS(ON)  
o 2.5A with 60mΩ/22mΩ RDS(ON)  
o 1.5MHz Switching Frequency  
o 180° Interleaving Operation  
o 100% Duty Cycle  
o Load Switch Mode by Pulling FB Low  
o Latch-Off Short-Circuit Protection (SCP)  
o Parallel Capability by Connecting SW  
Nodes Together  
o Internal Soft Start and Output Discharge  
o Optimized Light-Load Efficiency  
Available Fixed Output Options via Package  
Trim:  
management unit containing two high-  
efficiency, step-down, switching converters and  
a load switch. The two regulators supply current  
up to 3.5A and 2.5A separately, and the load  
switch supplies up to 3A of load current with an  
extremely low RDS(ON). With an input range of up  
to 6V, the MP5403 is ideal for powering ASIC  
and SOC for solid-state drives and other  
compact power systems.  
The peak-current-mode control scheme with  
pulse-skip-mode operation provides the two  
switchers with fast transient response, high  
light-load efficiency, and minimum capacitance  
by using an interleaving PWM clock between  
the two switchers. The 3A load switch with a  
low 20mΩ on resistance provides flexible  
system configuration.  
Ch1: 0.9V, 1.1V, 2.5V, 2.85V  
Ch2: 0.9V, 1.2V, 1.8V, 2.5V  
One Load Switch  
o 3A with 20mΩ RDS(ON)  
A full set of enable control pins and power good  
o Soft Start and Output Discharge  
o Over-Current Protection (OCP)  
EN and Power Good for Power Sequencing  
Input Power Failure Indicator (PFL) with  
Adjustable Threshold and Delay  
Thermal Shutdown  
open-drain  
indicators  
allow  
for  
easy  
implementation of the start-up and shutdown  
sequences.  
Full protection features include over-current  
protection (OCP) and thermal shutdown.  
Available in Ultra-Thin UTQFN-20  
(2.5mmx3mm) Package  
The MP5403 requires a minimal number of  
readily  
available,  
standard,  
external  
components and is available in a small UTQFN-  
20 (2.5mmx3mm) package.  
APPLICATIONS  
Solid-State Drives  
Hybrid Drives  
Low Voltage 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.  
MP5403 Rev. 1.0  
9/20/2016  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2016 MPS. All Rights Reserved.  
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