TM
MP2108
2A, 6V, 720KHz
Synchronous Buck Converter
The Future of Analog IC Technology
TM
INITIAL RELEASE 鈥?SPECIFICATIONS SUBJECT TO CHANGE
DESCRIPTION
The MP2108 is a 2A, 720KHz 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
720KHz 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.
FEATURES
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2A Output Current
Synchronous Rectification
Internal 160m鈩?and 190m鈩?Power Switches
Input Range of 2.6V to 6V
Over 90% Efficiency
Zero Current Shutdown Mode
Under Voltage Lockout Protection
Soft-Start Operation
Thermal Shutdown
Internal Current Limit (Source & Sink)
Tiny 10-Pin MSOP and 3x3 QFN Packages
SOHO Routers, PCMCIA Cards, Mini PCI
Handheld Computers, PDAs
Cell phones, Digital Still and Video Cameras
Small LCD Displays
APPLICATIONS
EVALUATION BOARD REFERENCE
Board Number
EV2108DQ/DK-00A
Dimensions
2.5鈥漍 x 2.0鈥漎 x 0.5鈥漐
鈥淢PS鈥?and 鈥淭he Future of Analog IC Technology鈥?are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
INPUT
2.6V to 6V
2
1
BST
LX
3
7
10nF
OFF ON
10
6
8
VIN
RUN
SS
COMP
VREF
9
5
MP2108
FB
SGND PGND
4
OUTPUT
1.8V / 2A
10nF
3.3nF
10nF
MP2108_TAC_S01
MP2108 Rev. 0.93
2/28/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
漏 2006 MPS. All Rights Reserved.
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