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L4979D

L4979D

L4979D

STMicroelectronics

Enable, Reset, Watchdog Fixed L4979 PMIC 8 8-SOIC (0.154, 3.90mm Width)

SOT-23

L4979D Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status NRND (Last Updated: 7 months ago)
Factory Lead Time 15 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8
Operating Temperature-40°C~150°C
PackagingTube
JESD-609 Code e4
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 8
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 245
Number of Functions 1
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number L4979
Pin Count8
Number of Outputs 1
Voltage - Input (Max) 31V
Output Voltage 5V
Output Type Fixed
Max Output Current300mA
Output Configuration Positive
Quiescent Current3mA
Control Features Enable, Reset, Watchdog
Accuracy 2 %
Output Voltage 1 5V
Number of Regulators1
Min Input Voltage 6V
Protection Features Over Temperature, Short Circuit
Current - Quiescent (Iq) 20μA
Voltage Dropout (Max) 0.4V @ 150mA
PSRR 55dB (100Hz)
Dropout Voltage200mV
Dropout Voltage1-Nom 0.2V
Voltage Tolerance-Max 2%
Min Current Limit 150mA
Input Voltage Absolute-Max 40V
Input Bias Current 1.5mA
Output Voltage Accuracy 2 %
Length 4.9mm
Width 3.9mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:8772 items

Pricing & Ordering

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L4979D Product Details

L4979D Overview


Tube cases are used for delivery. The Liner regulator IC is packaged in 8-SOIC (0.154, 3.90mm Width) case. On the Linear IC itself, there are 8 terminations. Fixed is the output type of the Voltage Regulator IC. As part of this electrical component, 1 regulators are implemented. Variations are made to the Surface Mount operating temperature range by the Voltage Regulator IC. Default settings are set to -40°C~150°C degrees. There is a Positive configured as the output function for this IC regulator. There are a total of 8 pins on this board. There are 1 outputs total on this voltage regulator IC in order to ensure that prompt and sufficient performance is achieved. There is a dropout voltage of 10 volts on this IC regulator. Chips have 8 pins. For your information, the basic part number for this regulator IC is L4979. In order to meet the operation requirements, its maximal output current reaches 300mA. It operates in the 3mA Quiescent Current state.

L4979D Features


200mV dropout voltage


L4979D Applications


There are a lot of STMicroelectronics
L4979D Linear Voltage Regulators applications.


  • Battery-powered device
  • Communication device
  • Personal communication device
  • Portable telephone
  • Electronic notebook
  • Camera
  • Video equipment
  • CPU power supply
  • Switching regulator
  • Multiple-power supply system

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