MC7812BT
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onsemi MC7812BT

Manufacturer No:
MC7812BT
Manufacturer:
onsemi
Package:
Tube
Description:
IC REG LINEAR 12V 1A TO220AB
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MC7812BT is a fixed-voltage linear regulator produced by onsemi, designed to provide a stable and reliable voltage source for various electronic applications. This regulator is part of the 78XX series, known for its high performance and versatility. The MC7812BT is packaged in a TO-220-3 format, making it suitable for through-hole mounting and easy integration into a wide range of circuits.

Key Specifications

Characteristic Min Typ Max Unit
Output Voltage (TJ = 25°C) 11.4 12 12.6 Vdc
Input Voltage - Min 14.5 Vdc
Input Voltage - Max 30 Vdc
Output Current - Max 1 A
Dropout Voltage (Typ @ 1A) 2 V
Line Regulation (Max) 0.24%
Load Regulation (Max) 0.24%
Operating Temperature TJ - Min -40 °C
Operating Temperature TJ - Max 125 °C
Quiescent Current (Typ @ 1A) 8 mA
PSRR (Typ @ 1kHz) 60 dB

Key Features

  • Fixed Output Voltage: The MC7812BT provides a fixed output voltage of 12V, making it ideal for applications requiring a stable voltage source.
  • High Current Capability: It can supply up to 1A of output current, suitable for high-current applications.
  • Low Dropout Voltage: With a typical dropout voltage of 2V at 1A, it ensures efficient operation even at low input voltages.
  • Good Line and Load Regulation: The regulator offers excellent line and load regulation, ensuring minimal voltage variation under different input and load conditions.
  • Wide Operating Temperature Range: It operates over a temperature range of -40°C to 125°C, making it suitable for various environmental conditions.
  • Compact TO-220 Package: The TO-220 package is easy to mount and provides good heat dissipation, making it a practical choice for many applications.

Applications

  • Power Supplies: The MC7812BT is commonly used in power supply circuits to provide a stable 12V output.
  • Industrial Control Systems: It is used in industrial control systems where reliable voltage regulation is crucial.
  • Consumer Electronics: This regulator is found in various consumer electronics, such as audio equipment, medical devices, and other appliances requiring stable voltage.
  • Automotive Systems: It can be used in automotive systems where a stable voltage is necessary for reliable operation.
  • Embedded Systems: The MC7812BT is also used in embedded systems that require a fixed and stable voltage source.

Q & A

  1. What is the output voltage of the MC7812BT?

    The output voltage of the MC7812BT is 12V, with a tolerance range of 11.4V to 12.6V.

  2. What is the maximum output current of the MC7812BT?

    The maximum output current of the MC7812BT is 1A.

  3. What is the typical dropout voltage of the MC7812BT?

    The typical dropout voltage of the MC7812BT is 2V at 1A.

  4. What is the operating temperature range of the MC7812BT?

    The operating temperature range of the MC7812BT is -40°C to 125°C.

  5. What package type is the MC7812BT available in?

    The MC7812BT is available in a TO-220-3 package.

  6. What is the line regulation of the MC7812BT?

    The line regulation of the MC7812BT is 0.24% maximum.

  7. What is the load regulation of the MC7812BT?

    The load regulation of the MC7812BT is 0.24% maximum.

  8. What is the quiescent current of the MC7812BT?

    The quiescent current of the MC7812BT is typically 8mA.

  9. What is the PSRR of the MC7812BT at 1kHz?

    The PSRR (Power Supply Rejection Ratio) of the MC7812BT at 1kHz is typically 60dB.

  10. Is the MC7812BT RoHS compliant?

    No, the MC7812BT is not RoHS compliant.

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):2V @ 1A (Typ)
Current - Output:1A
Current - Quiescent (Iq):8 mA
Current - Supply (Max):- 
PSRR:60dB (1kHz)
Control Features:- 
Protection Features:Over Temperature, Short Circuit
Operating Temperature:-40°C ~ 125°C
Mounting Type:Through Hole
Package / Case:TO-220-3
Supplier Device Package:TO-220
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Similar Products

Part Number MC7812BT MC7812BTG MC7812CT MC7815BT MC7818BT MC7812ABT MC7812BDT
Manufacturer onsemi onsemi onsemi onsemi onsemi onsemi onsemi
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete Obsolete
Output Configuration Positive Positive Positive Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1 1 1 1
Voltage - Input (Max) 35V 35V 35V 35V 35V 35V 35V
Voltage - Output (Min/Fixed) 12V 12V 12V 15V 18V 12V 12V
Voltage - Output (Max) - - - - - - -
Voltage Dropout (Max) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ)
Current - Output 1A 1A 1A 1A 1A 1A 1A
Current - Quiescent (Iq) 8 mA 8 mA 6.5 mA 8 mA 8 mA 6 mA 8 mA
Current - Supply (Max) - - - - - - -
PSRR 60dB (1kHz) 60dB (1kHz) 60dB (1kHz) 58dB (120Hz) 57dB (120Hz) 60dB (1kHz) 60dB (1kHz)
Control Features - - - - - - -
Protection Features Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C 0°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Surface Mount
Package / Case TO-220-3 TO-220-3 TO-220-3 TO-220-3 TO-220-3 TO-220-3 TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package TO-220 TO-220 TO-220 TO-220 TO-220 TO-220 DPAK

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