Varnitronics
MG78L05N3 Megain
Megain

MG78L05N3

Linear Voltage Regulator IC Positive Fixed 1 Output 120mA SOT-89-3

SOT-89-3ROHS CompliantActive

IC REG LINEAR 5V 120mA SOT-89-3

Manufacturer
Megain
Manufacturer part #
MG78L05N3
Store part #
C22396243
Package / case
SOT-89-3
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

1,47,960 in stock

#C22396243

Stock & price checked 6 days ago

QuantityUnit pricePack price
20+₹3.56₹71.20
200+₹2.79₹558.00
1,000+₹2.35₹2,350.00
2,000+₹2.10₹4,200.00
10,000+₹1.88₹18,800.00
20,000+₹1.76₹35,200.00

20 × ₹3.56

₹71.20

excl. GST

₹84.02 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 1,000 per reel

MG78L05N3

₹71.20 for 20 + GST

Specifications

Output Voltage
5V
Number of Outputs
1
Operating Temperature
-40℃~+85℃@(Ta)
Supply Current (Iq)
300uA
Output Configuration
Positive
Output Current
120mA
Operating Voltage
30V
Features
Over Current Protection;Thermal shutdown
Output Type
Fixed

Packaging & compliance

RoHS
ROHS Compliant
Lifecycle
Active
Packaging
Tape & Reel (TR)
Standard pack
1,000 / Reel
Sold per
Piece
Minimum order
20 (multiples of 20)
Unit weight
0.161 g

Overview

The MG78L05 is a three-terminal integrated voltage regulator with a fixed 5V output, suitable for a wide range of applications. Its excellent internal current limiting and thermal shutdown features make it particularly well-suited for handling overload conditions. When used as a replacement for conventional Zener diode-resistor combinations, it effectively improves output impedance while significantly reducing quiescent current. With adequate heat dissipation, the device can deliver 120mA output current. The built-in current limiting function constrains peak output current within a safe range and provides safe operating area protection for the output transistor to limit internal power dissipation. Should internal power dissipation exceed the capacity of the heatsink, the thermal shutdown circuit prevents the IC from overheating.

Applications

  • New Energy
  • Security
  • Mobile Terminal
  • Electric Vehicle
  • LED Lighting

Key features

  • Output voltage accuracy ±4%
  • VIN input voltage range up to 30V
  • Maximum output current 120mA
  • Output transistor safe operating area protection
  • Internal thermal overload protection
  • Internal current limiting protection

Alternatives

Similar parts — check the datasheet before substituting.

MG78L05AN3#C22396245Megain · SOT-89-3₹3.53 · 360 in stockView
MG78M05N3#C50407964Megain · SOT-89-3₹4.74 · 15,940 in stockView
MG7550N3#C41380429Megain · SOT-89-3₹5.11 · 3,360 in stockView
MG7350N3#C54279903Megain · SOT-89-3₹4.96 · 1,460 in stockView

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