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MPS

MP2108DQ Datasheet Preview

MP2108DQ Datasheet

Synchronous Buck Converter

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The Future of Analog IC Technology
DESCRIPTION
The MP2108 is a 2A, 740KHz synchronous
buck converter designed for low voltage
applications requiring high efficiency. It is
capable of providing output voltages as low as
0.9V, and integrates top and bottom switches to
minimize power loss and component count. The
740KHz switching frequency allows for small
filtering components, further reducing the
solution size.
The MP2108 includes cycle-by-cycle current
limiting and under voltage lockout. Internal
power switches, combined with the tiny 10-pin
MSOP or 3mm x 3mm QFN packages, provide
a solution requiring a minimum of board space.
QFN package is recommended if output current
is higher than 1.5A.
EVALUATION BOARD REFERENCE
Board Number
EV2108DQ/DK-00A
Dimensions
2.5”X x 2.0”Y x 0.5”Z
MP2108
2A, 6V, 740KHz
Synchronous Buck Converter
FEATURES
2A Output Current
Synchronous Rectification
Internal 160mand 190mPower Switches
Input Range of 2.6V to 6V
Over 95% Efficiency
Under Voltage Lockout Protection
Soft-Start Operation
Thermal Shutdown
Internal Current Limit (Source & Sink)
Tiny 10-Pin MSOP and 3x3 QFN Packages
APPLICATIONS
SOHO Routers, PCMCIA Cards, Mini PCI
Handheld Computers, PDAs
Cell phones, Digital Still and Video Cameras
Small LCD Displays
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP2108 Rev 1.3
2/26/2020
2
1
10
VIN
RUN
6 SS
8 COMP
BST
LX 3
FB 7
VREF SGND PGND
9
5
4
100
90
80
70
60
50
40
30
20
10
0
0.01
VOUT=2.5V
VOUT=1.2V
VIN=3.3V
0.1
1
10
LOAD CURRENT (A)
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.




MPS

MP2108DQ Datasheet Preview

MP2108DQ Datasheet

Synchronous Buck Converter

No Preview Available !

MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER
PACKAGE REFERENCE
TOP VIEW
BST 1
VIN 2
LX 3
PGND 4
SGND 5
10 RUN
9 VREF
8 COMP
7 FB
6 SS
Part Number* Package
Temperature
MP2108DK
MSOP10
–40C to +85C
* For Tape & Reel, add suffix –Z (eg. MP2108DK–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2108DK–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
Input Supply Voltage VIN .............................. 6.5V
LX Voltage VLX ......................0.3V to VIN + 0.3V
BST to LX Voltage ......................... 0.3V to +6V
Voltage on All Other Pins............... 0.3V to +6V
Storage Temperature............... 55C to +150C
Recommended Operating Conditions (2)
Input Supply Voltage VIN ....................... 2.6V to 6
Output Voltage VOUT........................... 0.9V to 5V
Operating Temperature ............. 40C to +85C
TOP VIEW
BST 1
VIN 2
LX 3
PGND 4
SGND 5
10 RUN
9 VREF
8 COMP
7 FB
6 SS
EXPOSED PAD
ON BACKSIDE
Part Number**
MP2108DQ
Package***
QFN10
(3mm x 3mm)
Temperature
–40C to +85C
** For Tape & Reel, add suffix –Z (eg. MP2108DQ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2108DQ–LF–Z)
*** Recommended for output currents higher than 1.5A
Thermal Resistance (3) θJA θJC
MSOP10................................. 150......65 ...C/W
QFN10 (3mm x 3mm) ............. 50 ....... 12 ... C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
VIN = 5.0V, TA = +25C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max Units
Input Voltage Range
VIN
Input Undervoltage Lockout
2.6
6
V
2.2
V
Input Undervoltage Lockout
Hysteresis
100
mV
Shutdown Supply Current
VRUN 0.3V
0.5
1.0
μA
Operating Supply Current
VRUN > 2V, VFB = 1.1V
1.2
1.8
mA
VREF Voltage
RUN Input Low Voltage
VREF
VIL
VIN = 2.6V to 6V
2.4
V
0.4
V
RUN Input High Voltage
VHL
RUN Hysteresis
1.5
V
100
mV
RUN Input Bias Current
1
μA
MP2108 Rev 1.3
www.MonolithicPower.com
2
2/26/2020
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.


Part Number MP2108DQ
Description Synchronous Buck Converter
Maker MPS
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MP2108DQ Datasheet PDF






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