MP2107/MP2107A
4A, 6V Synchronous
Step-Down Switching Regulator
The Future of Analog IC Technology
DESCRIPTION
The MP2107 is an internally compensated
1.5MHz fixed-frequency PWM synchronous
step-down regulator. MP2107 operates from a
2.7V to 6V input and generates an output
voltage as low as 0.8V.
The MP2107 integrates a 80mΩ high-side
switch and a 60mΩ synchronous rectifier for
high efficiency without an external Schottky
diode. With peak current mode control and
internal compensation, the MP2107 based
solution delivers a very compact footprint with a
minimum component count.
The MP2107 is available in a small 3mm x 3mm
10-pin QFN package and the MP2107A is
available in an 8-pin SOIC package with an
exposed pad.
FEATURES
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4A Output Current
Input Operation Range: 2.7V to 6V
60mΩ Internal Power MOSFET Switches
All Ceramic Capacitor Design
Up to 95% Efficiency
1.5MHz Fixed Switching Frequency
Adjustable Output from 0.8V to 0.9xV
IN
Internal Soft-Start
Frequency Synchronization Input
Power Good Output
Cycle-by-Cycle Current Limiting
Hiccup Short Circuit Protection
Thermal Shutdown
3mm x 3mm 10-pin QFN (MP2107) and
8-pin SOIC (MP2107A) Packages
µP/ASIC/DSP/FPGA Core and I/O Supplies
Printers and LCD TVs
Network and Telecom Equipment
Point of Load Regulators
APPLICATIONS
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“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
Efficiency vs
Output Current
V
IN
5V
95
IN
BS
SW
POK
(MP2107)
OFF ON
POK
V
OUT
1.8V / 4A
EFFICIENCY (%)
C3
100nF
90
5V to 1.8V
85
80
75
70
0
5V to 3.3V
5V to 2.5V
EN/SYNC
GND
FB
1
2
3
OUTPUT CURRENT (A)
4
MP2107/MP2107A Rev. 1.1
www.MonolithicPower.com
10/13/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
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