MP2106 Datasheet, PDF (1/11 Pages) Monolithic Power Systems – 1.5A, 15V, 800KHz Synchronous Buck Converter

TM
The Future of Analog IC Technology ^TM
DESCRIPTION
The MP2106 is a 1.5A, 800KHz 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
800KHz switching frequency reduces the size
of filtering components, further reducing the
solution size.
The MP2106 includes cycle-by-cycle current
limiting and under voltage lockout. The internal
power switches, combined with the tiny 10-pin
MSOP and QFN packages, provide a solution
requiring a minimum of surface area.
EVALUATION BOARD REFERENCE
Board Number
Dimensions
EV2106DQ/DK-00A
2.5”X x 2.0”Y x 0.5”Z
MP2106
1.5A, 15V, 800KHz
Synchronous Buck Converter
FEATURES
• 1.5A Output Current
• Synchronous Rectification
• Internal 210mΩ and 255mΩ Power Switches
• Input Range of 2.6V to 15V
• >90% Efficiency
• Zero Current Shutdown Mode
• Under Voltage Lockout Protection
• Soft-Start Operation
• Thermal Shutdown
• Internal Current Limit (Source & Sink)
• Tiny 10-Pin MSOP or QFN Package
APPLICATIONS
• DC/DC Regulation from Wall Adapters
• Portable Entertainment Systems
• Set Top Boxes
• Digital Video Cameras, DECT
• Networking Equipment
• Wireless Modems
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
INPUT
2.6V to 15V
C1
C7
10nF
R4
OFF ON
C5
10nF
7
6
VIN
5
RUN
BST
LX ⁸
1
SS
MP2106
3
COMP
2
FB
C3
3.3nF
VREF SGND PGND
R3
4 _C6 10 9
10nF
L1
R2
R1
OUTPUT
1.8V / 1.5A
C2
MP2106_TAC_S01
Efficiency vs.
Load Current
100
90 ^VIN=3.3V
80
70
60
V_IN=5V
50
40
30
20
10
0
0.01
0.1
1
10
LOAD CURRENT (A)
MP2106_TAC_EC02
MP2106 Rev. 1.6
www.MonolithicPower.com
1
2/22/2006
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