L4918

Linear Regulators - Standard 8.5V 0.25A w/Filter

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L4918 Picture
SeekIC No. : 00506937 Detail

L4918: Linear Regulators - Standard 8.5V 0.25A w/Filter

floor Price/Ceiling Price

Part Number:
L4918
Mfg:
STMicroelectronics
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2020/4/3

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Product Details

Quick Details

Output Voltage : 8.9 V Output Current : 250 mA
Input Voltage MAX : 20 V Mounting Style : Through Hole
Package / Case : Pentawatt    

Description

Output Type :
Polarity :
Load Regulation :
Line Regulation :
Maximum Operating Temperature :
Input Voltage MAX : 20 V
Mounting Style : Through Hole
Package / Case : Pentawatt
Output Current : 250 mA
Output Voltage : 8.9 V


Features:

.FIXEDOUTPUTVOLTAGE8.5V
.250mAOUTPUTCURRENT
.HIGHRIPPLEREJECTION
.HIGHLOADREGULATION
.HIGHLINEREGULATION
.SHORTCIRCUITPROTECTION
.THERMALSHUTDOWNWITHHYSTERESIS
.DUMPPROTECTION



Pinout

  Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
Vi
PeakInputVoltage(300ms)
40
V
Vi
DCInputVoltage
28
V
IO
OutputCurrent
InternallyLimited
Ptot
PowerDissipation
InternallyLimited

Tj,Tstg
JunctionandStorageTemperatureRange
-40to150



Description

TheL4918combinesbothafilterandavoltageregu- latorinordertoprovideahighripplerejectionovera widerinputvoltagerange.

Asupervisorlow-passloopoftheelementprevents  the output transistor(L4918 )from saturation atlowinputvol tages.

Then onlinearbehaviourofthiscontrolcircuitryal- lowsafastsettingofthefilter.


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