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MP2143 Arkusz danych(PDF) 1 Page - Monolithic Power Systems

Numer części MP2143
Szczegółowy opis  3A, 5.5V, 1.2MHz, 40uA IQ, COT Synchronous Step Down Switcher
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Producent  MPS [Monolithic Power Systems]
Strona internetowa  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2143 Arkusz danych(HTML) 1 Page - Monolithic Power Systems

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MP2143
3A, 5.5V, 1.2MHz, 40μA IQ, COT
Synchronous Step Down Switcher
MP2143 Rev. 1.07
www.MonolithicPower.com
1
7/4/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MP2143 is a monolithic, step-down, switch-
mode converter with internal power MOSFETs.
It can achieve up to 3A continuous output
current from a 2.5V–to-5.5V input voltage with
excellent load and line regulation. The output
voltage can be regulated as low as 0.6V.
Constant-on-time control provides fast transient
response and eases loop stabilization. Fault-
condition protections include cycle-by-cycle
current limiting and thermal shutdown.
The MP2143 is available in small TSOT23-8
package and requires only a minimal number of
readily-available standard external components.
The MP2143 is ideal for a wide range of
applications including high-performance DSPs,
FPGAs, smartphones, portable instruments,
and DVD drivers.
FEATURES
 Wide 2.5V-to-5.5V Operating Input Range
 Output Voltage as Low as 0.6V
 100% Duty Cycle in Dropout
 Up to 3A Output Current
 Low IQ: 40µA
 80mΩ and 40mΩ Internal Power MOSFET
Switches
 Default 1.2MHz Switching Frequency
 EN and Power-Good for Power Sequencing
 Cycle-by-Cycle Over-Current Protection
 Auto Discharge at Power Off
 Short-Circuit Protect with Hiccup Mode
 Stable with Low-ESR Output Ceramic
Capacitors
 Available in a TSOT23-8 Package
APPLICATIONS
 Low Voltage I/O System Power
 Handheld/Battery-powered Systems
 Wireless/Networking Cards
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
MP2143
PGND AGND
FB
VIN
C1
10 F
EN
VIN
2.5V to 5.5V
VOUT
1.2V/2A
SW
C2
10 F
R1
200k
R2
200k
PG
EN
PG
OUT
L1
1 H
2
8
1
4
6
7
5
3


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