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MP2482DN Datasheet(PDF) 1 Page - Monolithic Power Systems

Part # MP2482DN
Description  5A, 30V, 420kHz Step-Down Converter
Download  14 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2482DN Datasheet(HTML) 1 Page - Monolithic Power Systems

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MP2482
5A, 30V, 420kHz
Step-Down Converter
MP2482 Rev.1.4
www.MonolithicPower.com
1
9/21/2011
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
Preliminary Specifications Subject to Change
© 2011 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MP2482 is a monolithic step-down switch
mode converter with a built in internal power
MOSFET. It achieves 5A continuous output
current over a wide input supply range with
excellent load and line regulation.
Current mode operation provides fast transient
response and eases loop stabilization.
Fault condition protection includes cycle-by-cycle
current limiting and thermal shutdown.
The MP2482 requires a minimum number of
readily available standard external components
and is available in 8-pin SOIC package with and
without exposed pad.
FEATURES
• Wide 4.5V to 30V Operating Input Range
• 5A Output Current
• 50mΩ Internal Power MOSFET Switch
• Power Good Indicator
• Fixed 420kHz Frequency
• Synchronizable up to 1.5MHz
• Cycle-by-Cycle Over Current Protection with
hiccup
• Thermal Shutdown
• Output Adjustable from 0.81V
• Stable with Low ESR Output Ceramic
Capacitors
• Available in 8-Pin SOIC Package and
Thermally Enhanced 8-Pin SOIC Package
APPLICATIONS
Digital Set Top Boxes
Personal Video Recorders
Broadband Communications
Flat Panel Television and Monitors
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP2482 SW
FB
BST
1
5
4
2
GND
IN
EN/SYNC
VOUT
3.3V @ 5A
VCC
D1
B530C
VIN
OFF ON
PG
VCC
8
7
6
3
Efficiency vs Output Current
VOUT=3.3V
OUTPUT CURRENT (A)
1
234
5
70
75
80
85
90
95
100
VIN=5V
VIN=30V
VIN=12V


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