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PDF LSP5522L Data sheet ( Hoja de datos )
| Número de pieza | LSP5522L | |
| Descripción | 2A 18V Synchronous Buck Converter | |
| Fabricantes | Lite-On | |
| Logotipo |  |
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LSP5522L
2A 18V Synchronous Buck Converter
Features
2A Output Current
Wide 4.5V to 18V Operating Input Range
Integrated Power MOSFET
Switches
Output Adjustable from 0.925V to 12V
Up to 96% Efficiency
Programmable Soft-Start
Stable with Low ESR Ceramic Output
Capacitors
Fixed 360KHZ Frequency
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Package SOP-8L
Applications
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Supplies
General Description
The LSP5522L is a monolithic synchronous
buck regulator. The device integrates
150mΩ MOSFETS that provide 2A
continuous load current over a wide
operating input voltage of 4.5V to 18V.
Current mode control provides fast transient
response and cycle-by-cycle current limit.
An adjustable soft-start prevents inrush
current at turn on. In shutdown mode, the
supply current drops below 1uA.
Green Electronics/ Appliances
Notebook Computers
Typical Application Circuit
V IN = 12V
R4
100K
C1
22uF
BS
VIN SW
LSP5522L
EN FB
SS GND COMP
C3
0.1uF
C4
1.6nF
R3
10K
C5
NC
C6
10nF
L1
10uH
R1
44.2K
R2
10K
VOUT = 5V/2A
C7
22uF x 2
Please be aware that an Important Notice concerning availability, disclaimers, and use in critical
applications of LSC products is at the end of this document.
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet LSP5522L.PDF ] | |
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