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L4938N

Low Dropout (LDO) Regulators Dual 5V Very LDO

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SeekIC No. : 00531336 Detail

L4938N: Low Dropout (LDO) Regulators Dual 5V Very LDO

L4938N Data Sheet

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Part Number:
L4938N
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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Upload time: 2024/10/27

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Product Details

Quick Details

Input Voltage MAX : 28 V Output Voltage : 5 V
Output Current : 5 mA Load Regulation : 50 mV
Number of Outputs : 2 Output Type : Selectable
Maximum Operating Temperature : + 150 C Mounting Style : Through Hole
Package / Case : PDIP-16    

Description

Dropout Voltage (Max) :
Output Voltage : 5 V
Maximum Operating Temperature : + 150 C
Mounting Style : Through Hole
Number of Outputs : 2
Input Voltage MAX : 28 V
Load Regulation : 50 mV
Output Type : Selectable
Package / Case : PDIP-16
Output Current : 5 mA


Features:

·STANDBYOUTPUTVOLTAGEPRECISION5V ± 2%
·OUTPUT2TRACKEDTOTHESTANDBYOUT PUT
·OUTPUT 2 DISABLE FUNCTION FOR STANDBYMODE
·VERY LOW QUIESCENT CURRENT, LESS
·THAN 250mA, IN STANDBYMODE
·OUTPUT 2 VOLTAGESETTABLE FROM5 TO20V
·OUTPUTCURRENTS : I01 = 50mA, I02 = 500mA .VERY LOWDROPOUT (max 0.4V/0.6V)
·OPERATINGTRANSIENT SUPPLY VOLTAGE UP TO 40V
·POWER-ON RESET CIRCUIT SENSING THE STANDBYOUTPUT VOLTAGE
·POWER-ON RESET DELAY PULSE DEFINED BY THE EXTERNAL CAPACITOR
·EARLYWARNINGOUTPUTFORSUPPLYUN-DERVOLTAGE
·THERMALSHUTDOWNANDSHORTCIRCUIT PROTECTIONS


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
VS
 DC Supply Voltage
28
V
 Transient Supply Voltage (T < 1s)
40
V
Tj,Tstg
 Junction and Storage Temperature Range
-55to150
°C
ISI
 Sense Input Current (VSI0.3V or VSI>VS)
±1
mA
IEN
 Enable Input Current (VEN0.3V)
±1
mA
VEN
 Enable Input Voltage
VS
VRES,VSO
 Reset and Sense Output Voltage
20
V
IRES,ISO
 Reset and Sense Output Current
5
mA
PD
 Power Dissipation
75
mW
Note : The circuit is ESD protected according to MILSTD883C


Description

The L4938N is a monolithic integrateddual voltage regulatorswith twoverylowdropoutoutputsandadditional functions such as power-on reset and input voltagesense.L4938N  are designedfor supplyingmicrocomputer controlled systems specially in automotive applications.




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