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L4938NPD

Low Dropout (LDO) Regulators Dual 5V Very LDO

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SeekIC No. : 00529534 Detail

L4938NPD: Low Dropout (LDO) Regulators Dual 5V Very LDO

L4938NPD Data Sheet

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Part Number:
L4938NPD
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: 2024/4/25

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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 : SMD/SMT
Package / Case : PowerSO    

Description

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


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 L4938Nis 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.




Parameters:

Technical/Catalog InformationL4938NPD
VendorSTMicroelectronics
CategoryIntegrated Circuits (ICs)
Regulator TypeMultiple Output
Package / CasePowerSO-20 Exposed Bottom Pad
PackagingTube
Regulator TopologyPositive Fixed and Adjustable
Current - Output50mA, 500mA
Voltage - Output5V, 5 ~ 20 V
Operating Temperature-40°C ~ 125°C
Voltage - Input6 ~ 25 V
Number of Regulators2
Current - Limit (Min)55mA, 550mA
Current Short Circuit (Isc)-
Drawing Number*
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names L4938NPD
L4938NPD



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