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The Future of Analog IC Technology
MP2363
3A, 27V, 365KHz
Step-Down Converter
MP2363 Rev. 1.0
6/15/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
DESCRIPTION
The MP2363 is a non-synchronous step-down
regulator with an integrated Power MOSFET. It
achieves 3A continuous output current over a
wide input supply range with excellent load and
line regulation.
Current mode operation provides fast transient
response and eases loop stabilization.
Fault condition protection includes cycle-by-
cycle current limiting and thermal shutdown.
Adjustable soft-start reduces the stress on the
input source at turn-on. In shutdown mode, the
regulator draws 20μA of supply current.
The MP2363 requires a minimum number of
readily available external components to
complete a 3A step-down DC to DC converter
solution.
The MP2363 is available in an 8-pin SOIC
package.
EVALUATION BOARD REFERENCE
Board Number
EV2363DN-00A
Dimensions
2.0”X x 1.9”Y x 0.4”Z
FEATURES
3A Continuous Output Current, 4A Peak
Output Current
Programmable Soft-Start
100m
Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic
Capacitors
Up to 95% Efficiency
20μA Shutdown Mode
Fixed 365KHz frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Wide 4.75V to 27V Operating Input Range
Output is Adjustable From 0.92V to 21V
Under Voltage Lockout
APPLICATIONS
Distributed Power Systems
Battery Chargers
Pre-Regulator for Linear Regulators
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
INPUT
4.75V to 27V
OUTPUT
2.5V
3A
MP2363
BS
IN
FB
SW
SS
GND
COMP
EN
1
3
5
6
B330A
4
8
7
2
OPEN
OPEN = AUTOMATIC
STARTUP
6.8nF
10nF
Efficiency Curve
V
IN
= 12V
100
90
80
70
60
50
E
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
LOAD CURRENT (A)
V
OUT
=5.0V
V
OUT
=2.5V
V
OUT
=3.3V
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