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MP2147 Fiches technique(PDF) 1 Page - Monolithic Power Systems

No de pièce MP2147
Description  5.5V, 4A, 1.2MHz, High-Efficiency, 40uA IQ Constant On-Time Synchronous, Step-Down Switcher
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Fabricant  MPS [Monolithic Power Systems]
Site Internet  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2147 Fiches technique(HTML) 1 Page - Monolithic Power Systems

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MP2147
5.5V, 4A, 1.2MHz, High-Efficiency, 40μA IQ
Constant On-Time
Synchronous, Step-Down Switcher
MP2147 Rev. 1.1
www.MonolithicPower.com
1
6/8/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MP2147 is a monolithic, step-down, switch-
mode converter with internal power MOSFETs. It
can achieve up to 4A 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.
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.
The MP2147 is available in a small QFN2×3mm
package and requires only a minimal number of
readily-available, standard, external components.
The MP2147 is ideal for a wide range of
applications, including storage (SSD, HDD), high-
performance DSPs, FPGAs, and distributed
power systems.
FEATURES
 Up to 4A Output Current
 Wide 2.8V-to-5.5V Operating Input Range
 22mΩ and 14mΩ Internal Power MOSFETs
 40µA Quiescent Current
 1.2MHz Fixed Switching Frequency
 1% Feedback Accuracy
 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
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 MPS website under Quality
Assurance.
“MPS” and “The Future of Analog IC Technology” are Registered
Trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
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