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L4979MD

L4979MD

L4979MD

STMicroelectronics

Enable, Reset, Watchdog Fixed L4979 PMIC 20 20-SOIC (0.295, 7.50mm Width)

SOT-23

L4979MD Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Factory Lead Time 26 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Number of Pins 20
Operating Temperature-40°C~150°C
PackagingTube
JESD-609 Code e4
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number L4979
Pin Count20
Number of Outputs 1
Qualification StatusNot Qualified
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 %
Height Seated (Max) 2.65mm
Width 7.5mm
RoHS StatusROHS3 Compliant
In-Stock:7475 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.19000$1.19
500$1.1781$589.05
1000$1.1662$1166.2
1500$1.1543$1731.45
2000$1.1424$2284.8
2500$1.1305$2826.25

L4979MD Product Details

L4979MD Overview


A Tube case is used to deliver the Voltage Regulated IC. A 20-SOIC (0.295, 7.50mm Width) case is used for packaging. As you can see, the IC chip has 20 terminations. Regulator IC chip's output type is Fixed. The electronic part implements 1 regulators in total. In this Regulator IC chip, the operating temperature of Surface Mount varies. -40°C~150°C degrees is the operating temperature of the Voltage Regulator IC. There is one output function configured for this voltage regulator IC, and that is Positive. There are 20 pins in total in this voltage regulator IC. It has 1 outputs to ensure that the performance of this regulator is prompt and sufficient. The dropout voltage of the regulator IC is 10 volts. 20 pins are on the chip. For your information, this regulator's basic part number is L4979. To meet operation requirements, the voltage regulator IC has a maximum output current of 300mA. It operates in the 3mA Quiescent Current state.

L4979MD Features


200mV dropout voltage


L4979MD Applications


There are a lot of STMicroelectronics
L4979MD Linear Voltage Regulators applications.


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

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