MP2363DN データシートの表示（PDF） - Monolithic Power Systems
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MP2363DN Datasheet PDF : 11 Pages
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The Future of Analog IC Technology
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
MP2363
3A, 27V, 365KHz
Step-Down Converter
FEATURES
• 3A Continuous Output Current, 4A Peak
Output Current
• Programmable Soft-Start
• 100mΩ 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
OPEN = AUTOMATIC
STARTUP
2
1
10nF
7
IN
EN
BS 3
SW
8
SS
MP2363
5
FB
GND
COMP
4
6
B330A
OPEN
6.8nF
OUTPUT
2.5V
3A
Efficiency Curve
VIN = 12V
100
VOUT=5.0V
90
80
VOUT=2.5V
70
VOUT=3.3V
60
50
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
LOAD CURRENT (A)
MP2363 Rev. 1.0
www.MonolithicPower.com
1
6/15/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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