L78M12ABDT-TR
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STMicroelectronics L78M12ABDT-TR

Manufacturer No:
L78M12ABDT-TR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 12V 500MA DPAK
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The L78M12ABDT-TR is a linear voltage regulator from STMicroelectronics, part of the L78M series. This regulator is designed to provide a fixed output voltage of 12V with a maximum current output of 500mA. It is available in the TO-220 package, making it suitable for a variety of applications requiring stable voltage regulation. The L78M series regulators are known for their high performance, reliability, and ease of use in power supply systems.

Key Specifications

ParameterValueUnit
Output Voltage (VO)11.75 - 12.25V
Output Current (IO)Up to 500mA
Input Voltage (VI)Up to 35 V for VO = 5 to 18 V, Up to 40 V for VO = 20, 24 VV
Power DissipationInternally limitedmW
Storage Temperature Range-65 to 150°C
Operating Junction Temperature Range-40 to 125°C
Thermal Resistance Junction-Case (RthJC)5°C/W
Thermal Resistance Junction-Ambient (RthJA)50°C/W
Line Regulation100 mV (VI = 14.5 to 30 V, IO = 200 mA)mV
Load Regulation240 mV (IO = 5 to 500 mA)mV
Quiescent Current6 mAmA
Dropout Voltage2 VV

Key Features

  • Fixed Output Voltage: Provides a stable 12V output voltage.
  • High Current Capability: Can supply up to 500mA of current.
  • Thermal Protection: Internally limited power dissipation and thermal resistance ensure safe operation.
  • Wide Operating Temperature Range: Operates from -40°C to 125°C.
  • Low Dropout Voltage: Dropout voltage of 2V ensures efficient voltage regulation.
  • Compact Packaging: Available in the TO-220 package, suitable for various applications.

Applications

The L78M12ABDT-TR is suitable for a wide range of applications requiring stable voltage regulation, including:

  • Power supply systems for electronic devices.
  • Industrial control systems.
  • Automotive electronics.
  • Consumer electronics.
  • Medical devices.

Q & A

  1. What is the output voltage of the L78M12ABDT-TR?
    The output voltage is 12V.
  2. What is the maximum current output of the L78M12ABDT-TR?
    The maximum current output is 500mA.
  3. What is the input voltage range for the L78M12ABDT-TR?
    The input voltage range is up to 35V for VO = 5 to 18V and up to 40V for VO = 20, 24V.
  4. What is the operating junction temperature range for the L78M12ABDT-TR?
    The operating junction temperature range is -40°C to 125°C.
  5. What is the thermal resistance junction-case (RthJC) for the L78M12ABDT-TR?
    The thermal resistance junction-case (RthJC) is 5°C/W.
  6. What is the dropout voltage of the L78M12ABDT-TR?
    The dropout voltage is 2V.
  7. What package type is the L78M12ABDT-TR available in?
    The L78M12ABDT-TR is available in the TO-220 package.
  8. What are some common applications for the L78M12ABDT-TR?
    Common applications include power supply systems, industrial control systems, automotive electronics, consumer electronics, and medical devices.
  9. What is the quiescent current of the L78M12ABDT-TR?
    The quiescent current is 6mA.
  10. What is the line regulation of the L78M12ABDT-TR?
    The line regulation is 100mV (VI = 14.5 to 30V, IO = 200mA).

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):35V
Voltage - Output (Min/Fixed):12V
Voltage - Output (Max):- 
Voltage Dropout (Max):- 
Current - Output:500mA
Current - Quiescent (Iq):6 mA
Current - Supply (Max):- 
PSRR:55dB (120Hz)
Control Features:- 
Protection Features:Over Current, Over Temperature, Short Circuit
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:DPAK
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Similar Products

Part Number L78M12ABDT-TR L78M12ACDT-TR L78M15ABDT-TR L78M10ABDT-TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active
Output Configuration Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1
Voltage - Input (Max) 35V 35V 35V 35V
Voltage - Output (Min/Fixed) 12V 12V 15V 10V
Voltage - Output (Max) - - - -
Voltage Dropout (Max) - - - -
Current - Output 500mA 500mA 500mA 500mA
Current - Quiescent (Iq) 6 mA 6 mA 6 mA 6 mA
Current - Supply (Max) - - - -
PSRR 55dB (120Hz) 55dB (120Hz) 54dB (120Hz) 56dB (120Hz)
Control Features - - - -
Protection Features Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C 0°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package DPAK DPAK DPAK DPAK

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