MP29368 Datasheet: Step-Down Converter





MP29368 Step-Down Converter Datasheet

Part Number MP29368
Description Step-Down Converter
Manufacture MPS
Total Page 8 Pages
PDF Download Download MP29368 Datasheet PDF

Features: TM The Future of Analog IC Technology TM DESCRIPTION The MP29368 is a monolithi c step-down switch mode converter with a built-in power MOSFET. It achieves 1. 2A peak output current over a wide inpu t supply range with excellent load and line regulation. Current mode operation provides fast transient response and e ases loop stabilization. Fault conditio n protection includes cycle-by-cycle cu rrent limiting and thermal shutdown. Th e MP29368 requires a minimum number of readily available standard external com ponents. The MP29368 is available in TS OT23-6 package. MP29368 1.2A, 24V, 1.4 MHz Step-Down Converter in a TSOT23-6 F EATURES • 1.2A Peak Output Current 0.35Ω Internal Power MOSFET Switch • Stable with Low ESR Output Ceramic Capacitors • Up to 92% Efficiency • 0.1μA Shutdown Mode • Fixed 1.4MHz Frequency • Thermal Shutdown • Cycl e-by-Cycle Over Current Protection • Wide 4.5V to 24V Operating Input Range • Output Adjustable from 0.81V to 15V • Available in TSOT23-6 Package APPLICATIONS •.

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TM
The Future of Analog IC Technology TM
DESCRIPTION
The MP29368 is a monolithic step-down switch
mode converter with a built-in power MOSFET.
It achieves 1.2A peak 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.
The MP29368 requires a minimum number of
readily available standard external components.
The MP29368 is available in TSOT23-6 package.
MP29368
1.2A, 24V, 1.4MHz
Step-Down Converter in a TSOT23-6
FEATURES
1.2A Peak Output Current
0.35Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic
Capacitors
Up to 92% Efficiency
0.1μA Shutdown Mode
Fixed 1.4MHz Frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Wide 4.5V to 24V Operating Input Range
Output Adjustable from 0.81V to 15V
Available in TSOT23-6 Package
APPLICATIONS
Distributed Power Systems
Battery Charger
Pre-Regulator for Linear Regulators
WLED Drivers
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
VIN
12V
OFF ON
5 IN
BST 1
CB
10nF
MP29368 SW 6
D1
B230A
4 EN
GND
2
FB 3
VOUT
3.3V @ 1.2A
Efficiency vs
Load Currents
100
90 VIN = 12V
80
70 VIN = 24V
60
50
40
30
20
10
0
0.01
VOUT = 5V
0.1 1
LOAD CURRENT (A)
10
MP29368 Rev. 1.2
12/13/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
1

                    
  






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