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PDF MP2270 Data sheet ( Hoja de datos )
| Número de pieza | MP2270 | |
| Descripción | 700kHz Step-Down Converter | |
| Fabricantes | MPS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MP2270 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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The Future of Analog IC Technology
DESCRIPTION
The MP2270 is a monolithic step-down switch
mode converter with a built-in internal power
MOSFET. It achieves 1.8A 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.
The MP2270 requires a minimum number of
readily available standard external components.
The MP2270 is available in a 10-pin exposed pad
MSOP package.
MP2270
1.8A, 24V, 700kHz
Step-Down Converter
FEATURES
• 1.8A Continuous Output Current
• 0.3Ω Internal Power MOSFET Switch
• Stable with Low ESR Output Ceramic
Capacitors
• 0.1μA Shutdown Mode
• Fixed 700kHz Frequency
• Thermal Shutdown
• Cycle-by-Cycle Over Current Protection
• Wide 4.5V to 24V Operating Input Range
• Output Adjustable from 0.81V to 20V
• Available in a 10-pin Exposed Pad MSOP
Package
APPLICATIONS
• Broadband Communications Equipment
• Digital Entertainment Systems
• Distributed Power Systems
• Battery Charger
• Pre-Regulator for Linear Regulators
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
VIN
OFF ON
5
IN
1
BST
CB
10nF
3
MP2270 SW
D1
B230A
6
EN
GND
8
10
FB
VOUT
3.3V
VIOIUNT_MAX=1.8
MP2270 Rev. 1.1
4/16/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
1
Free Datasheet http://www.datasheet4u.com/
1 page  
MP2270 – 1.8A, 24V, 700KHz STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT = 1.8V, L=6.8μH, ILOAD=0.5A – 1.8A, TA = +20°C, unless otherwise noted.
900
880
860
840
820
800
780
760
740
720
700
5
10 15 20
0 5 10 15 20 25
3.0
2.5
2.0
1.5
1.0
0.5
0
0
20 40 60 80 100
40
35
30
25
20
15
10
5
0
0 0.5 1.0 1.5 2.0
DMAX Limit
VOUT_MAX
Minimum On Time Limit
VFB_MIN
0 5 10 15 20 25
0
VIN=20V
VIN=12V
1
MP2270 Rev. 1.1
4/16/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
5
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MP2270.PDF ] | |
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