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MP2158A Datenblatt(PDF) 1 Page - Monolithic Power Systems

Teilenummer MP2158A
Bauteilbeschribung  1A, 6V, 1.5MHz, 17uA IQ, COT Synchronous Step-Down Converter in Ultra-Small 2x1.5mm QFN-8
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Hersteller  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2158A Datenblatt(HTML) 1 Page - Monolithic Power Systems

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MP2158A
1A, 6V, 1.5MHz, 17μA IQ, COT
Synchronous Step-Down Converter
in Ultra-Small 2x1.5mm QFN-8
MP2158A Rev. 1.02
www.MonolithicPower.com
1
6/30/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MP2158A is a monolithic step-down,
switch-mode converter with built-in internal
power MOSFETs. It achieves 1A of continuous
output current from a 2.5V to 6V input voltage
with excellent load and line regulation. The
output voltage can be regulated as low as 0.6V.
The constant-on-time control scheme provides
fast transient response and eases loop
stabilization. Fault condition protection includes
cycle-by-cycle current limiting and thermal
shutdown.
The MP2158A is available in a small QFN-8
(1.5mmx2mm) package and requires only a
minimal number of readily available, standard,
external components.
The MP2158A is ideal for a wide range of
applications, including high-performance DSPs,
FPGAs, PDAs, and portable instruments.
FEATURES
 Very Low IQ of 17μA
 Default 1.5MHz Switching Frequency
 1.5% VFB Accuracy
 EN and Power Good for Power Sequencing
 Wide 2.5V to 6V Operating Input Range
 Output Adjustable from 0.6V
 Up to 1A of Output Current
 100% Duty Cycle in Dropout
 120mΩ and 90mΩ Internal Power MOSFET
Switches
 Cycle-by-Cycle Over-Current Protection
 Short-Circuit Protection with Hiccup Mode
 Stable with Low ESR Output Ceramic
Capacitors
 Available in a QFN-8 (1.5mmx2mm)
Package
APPLICATIONS
 Wireless/Networking Cards
 Portable Instruments
 Battery-Powered Devices
 Low Voltage I/O 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.
TYPICAL APPLICATION
MP2158A
AGND PGND
FB
VIN
C1
10 F
EN
VIN
2.5V to 6V
VOUT
1.2V/ 1A
SW
C2
10 F
R1
200k
R2
200k
PG
EN
PG
OUT
L1
1 H


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