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MP28258DD

Description
Switching Regulator, 3 X 2 MM, MO-220, QFN-12
CategoryPower/power management    The power supply circuit   
File Size864KB,18 Pages
ManufacturerMonolithic Power Systems
Websitehttps://www.monolithicpower.com
Download Datasheet Parametric Compare View All

MP28258DD Overview

Switching Regulator, 3 X 2 MM, MO-220, QFN-12

MP28258DD Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeQFN
package instructionHQCCN,
Contacts12
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresADJUSTABLE OUTPUT FROM 0.815 TO 13V
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage20 V
Minimum input voltage4.2 V
Nominal input voltage12 V
JESD-30 codeR-XQCC-N12
length3 mm
Number of functions1
Number of terminals12
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHQCCN
Package shapeRECTANGULAR
Package formCHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum seat height1.05 mm
surface mountYES
Switch configurationBUCK
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width2 mm
MP28258
The Future of Analog IC Technology
High Efficiency, Fast Transient, 3A, 4.2V-20V Input
Synchronous Step-down Converter
in QFN12 (2x3mm)
DESCRIPTION
The MP28258 is a fully-integrated, high-
efficiency, synchronous, step-down, switch
mode converter. It offers a very compact
solution that can achieve a 3A continuous
output current over a wide input supply range
with excellent load and line regulation, and can
operate at high efficiency over a wide output-
current load range.
Constant-On-Time
(COT)
control
mode
provides fast transient response and eases loop
stabilization.
Full protection features include SCP, OCP,
OVP, UVP and, thermal shut down.
The MP28258 requires a minimal number of
readily-available standard external components.
This device is available in a space saving
2mmx3mm 12-pin QFN package.
FEATURES
Wide 4.2V to 20V Operating Input Range
3A Output Current
Low R
DS
(ON) Internal Power Mosfets
Proprietary Switching Loss Reduction
Technique
Power-Good Indicator in QFN Package
Soft Startup/Shutdown
Programmable Switching Frequency
SCP, OCP, UVP Protection and Thermal
Shutdown
Optional OCP Protection: Latch-Off Mode
and Hiccup Mode.
Output Adjustable From 0.815V To 13V
Available in a QFN12 (2x3mm) Package
Networking Systems
Distributed Power Systems
APPLICATIONS
All MPS parts are lead-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
9
IN
VIN
4.2V - 20V
BST
3
R7
C1
C3
MP28258
8
FREQ
SW
2, 10
L1
VOUT
1.2V
R1
C2
C5
4
VCC
R4
7
C4
OFF ON EN
5
6
FB
EN
PG
R2
GND
1, 11, 12
MP28258 Rev 1.14
www.MonolithicPower.com
9/25/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
1

MP28258DD Related Products

MP28258DD MP28258DD-Z MP28258DD-A
Description Switching Regulator, 3 X 2 MM, MO-220, QFN-12 Switching Regulator, 3 X 2 MM, MO-220, QFN-12 Switching Regulator, 3 X 2 MM, MO-220, QFN-12
Is it lead-free? Contains lead Contains lead Contains lead
Is it Rohs certified? incompatible incompatible incompatible
Parts packaging code QFN QFN QFN
package instruction HQCCN, QFN-12 HQCCN,
Contacts 12 12 12
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
Other features ADJUSTABLE OUTPUT FROM 0.815 TO 13V ADJUSTABLE OUTPUT FROM 0.815 TO 13V ADJUSTABLE OUTPUT FROM 0.815 TO 13V
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 20 V 20 V 20 V
Minimum input voltage 4.2 V 4.2 V 4.2 V
Nominal input voltage 12 V 12 V 12 V
JESD-30 code R-XQCC-N12 R-XQCC-N12 R-XQCC-N12
length 3 mm 3 mm 3 mm
Number of functions 1 1 1
Number of terminals 12 12 12
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C
Package body material UNSPECIFIED UNSPECIFIED UNSPECIFIED
encapsulated code HQCCN HQCCN HQCCN
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form CHIP CARRIER, HEAT SINK/SLUG CHIP CARRIER, HEAT SINK/SLUG CHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Maximum seat height 1.05 mm 1.05 mm 1.05 mm
surface mount YES YES YES
Switch configuration BUCK BUCK BUCK
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm
Terminal location QUAD QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 2 mm 2 mm 2 mm
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