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MP2305DS-LF

Description
Switching Regulator, Current-mode, 2A, 340kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-012AA, SOIC-8
CategoryPower/power management    The power supply circuit   
File Size314KB,11 Pages
ManufacturerMonolithic Power Systems
Websitehttps://www.monolithicpower.com
Environmental Compliance  
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MP2305DS-LF Overview

Switching Regulator, Current-mode, 2A, 340kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-012AA, SOIC-8

MP2305DS-LF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMonolithic Power Systems
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Maximum input voltage23 V
Minimum input voltage4.75 V
Nominal input voltage12 V
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level2
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current2 A
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.75 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency340 kHz
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
MP2305
2A, 23V Synchronous Rectified
Step-Down Converter
The Future of Analog IC Technology
DESCRIPTION
The MP2305 is a monolithic synchronous buck
regulator. The device integrates 130mΩ
MOSFETS that provide 2A continuous load
current over a wide operating input voltage of
4.75V to 23V. Current mode control provides
fast transient response and cycle-by-cycle
current limit.
An adjustable soft-start prevents inrush current
at turn-on. Shutdown mode drops the supply
current to 1μA.
This device, available in an 8-pin SOIC
package, provides a very compact system
solution with minimal reliance on external
components.
FEATURES
2A Output Current
Wide 4.75V to 23V Operating Input Range
Integrated 130mΩ Power MOSFET Switches
Output Adjustable from 0.923V to 20V
Up to 93% Efficiency
Programmable Soft-Start
Stable with Low ESR Ceramic Output Capacitors
Fixed 340kHz Frequency
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Supplies
Green Electronics/ Appliances
Notebook Computers
APPLICATIONS
EVALUATION BOARD REFERENCE
Board Number
EV2305DS-00A
Dimensions
2.0”X x 1.5”Y x 0.5”Z
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
C5
10nF
Efficiency vs
Load Current
100
95
V
OUT
= 3.3V
V
OUT
= 2.5V
90
EFFICIENCY (%)
2
7
IN
EN
1
BS
3
SW
85
80
75
70
65
60
55
50
0
MP2305
8
SS
GND
4
FB
COMP
6
5
0.5
1.0
1.5
2.0
LOAD CURRENT (A)
2.5
MP2305-EC01
MP2305 Rev. 1.83
12/24/2013
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1

MP2305DS-LF Related Products

MP2305DS-LF MP2305DS-LF-Z
Description Switching Regulator, Current-mode, 2A, 340kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-012AA, SOIC-8 Switching Regulator, Current-mode, 2A, 340kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-012AA, SOIC-8
Is it lead-free? Lead free Lead free
Is it Rohs certified? conform to conform to
Maker Monolithic Power Systems Monolithic Power Systems
Parts packaging code SOIC SOIC
package instruction SOP, SOP8,.25 SOP, SOP8,.25
Contacts 8 8
Reach Compliance Code compliant compliant
ECCN code EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE CURRENT-MODE
Maximum input voltage 23 V 23 V
Minimum input voltage 4.75 V 4.75 V
Nominal input voltage 12 V 12 V
JESD-30 code R-PDSO-G8 R-PDSO-G8
JESD-609 code e3 e3
length 4.9 mm 4.9 mm
Humidity sensitivity level 2 2
Number of functions 1 1
Number of terminals 8 8
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
Maximum output current 2 A 2 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP
Encapsulate equivalent code SOP8,.25 SOP8,.25
Package shape RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 260
Certification status Not Qualified Not Qualified
Maximum seat height 1.75 mm 1.75 mm
surface mount YES YES
Switch configuration BUCK BUCK
Maximum switching frequency 340 kHz 340 kHz
Temperature level INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm
Terminal location DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED
width 3.9 mm 3.9 mm
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