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PDF FR9882 Datasheet ( Hoja de datos )

Número de pieza FR9882
Descripción 340KHz Synchronous Step-Down DC/DC Converter
Fabricantes Fiti 
Logotipo Fiti Logotipo

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FR9882 Hoja de datos, Descripción, Manual
fitipower integrated technology lnc.
FR9882
18V, 2A, 340KHz Synchronous Step-Down
DC/DC Converter
Description
The FR9882 is a synchronous step-down DC/DC
converter that provides wide 4.5V to 18V input
voltage range and 2A continuous load current
capability.
Fault protection includes cycle-by-cycle current limit,
input UVLO, output over voltage protection and
thermal shutdown. Besides, adjustable soft-start
function prevents inrush current at turn-on. This
device uses current mode control scheme that
provides fast transient response. In shutdown mode,
the supply current is about 10uA.
The FR9882 is available in an 8-pin SOIC package,
provides a very compact system solution and good
thermal conductance.
Features
Wide Input Voltage from 4.5V to 18V
2A Output Current
Adjustable Output Voltage from 0.925V to 14V
Low Rds(on) integrated Power MOSFET
High Efficiency Up to 93%
Fixed 340KHz Switching Frequency
Current Mode Operation
Adjustable Soft-Start
Cycle-by-Cycle current limit
Input Under Voltage Lockout
Over-Temperature Protection With Auto
Recovery
10uA Shutdown Current
SOP-8 and Thermal Enhanced SOP-8P
Packages
RoHS Compliant
Applications
Set-Top-Box
DVD,LCD Displays
OLPC, Netbook
Datacom, XDSL
Pin Assignments
SO Package (SOP- 8)
SP Package (SOP- 8 Expose pad )
Ordering Information
FR9882□□□
TR: Tape / Reel
G: Green
Package Type
SO: SOP-8
SP: SOP-8(Exposed Pad)
Figure 1. Pin Assignment of FR9882
FR9882-1.3-OCT-2010
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