MC78M12CDT
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onsemi MC78M12CDT

Manufacturer No:
MC78M12CDT
Manufacturer:
onsemi
Package:
Tube
Description:
IC REG LINEAR 12V 500MA DPAK
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MC78M12CDT is a 3-terminal positive voltage regulator from Onsemi, part of the MC78M00 series. This regulator is designed to provide a stable output voltage of 12 volts with a maximum output current of 500 mA. It is compatible with the popular MC7800 series devices but offers specific characteristics tailored for various applications. The MC78M12CDT is available in several package types, including the HSIP (Heatsink TO-220) package, which enhances thermal dissipation and reliability.

Key Specifications

Characteristics Symbol Min Max Unit
Output Voltage (TJ = 25°C) VO 11.50 11.76 12.00 Vdc
Output Voltage Variation (14.5 Vdc ≤ VI ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 350 mA) VO 11.40 - 12.60 Vdc
Line Regulation (TJ = 25°C, 14.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA) Regline - 8.0 50 mV
Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA) Regload - - 25 mV
Dropout Voltage (TJ = 25°C) VI−VO - 2.0 - Vdc
Short Circuit Current Limit (TJ = 25°C, VI = 35 V) IOS - 350 - mA
Average Temperature Coefficient of Output Voltage (IO = 5.0 mA) ΔVO/ΔT - ±0.2 - mV/°C
Peak Output Current (TJ = 25°C) IO - 700 - mA

Key Features

  • Stable Output Voltage: Provides a stable output voltage of 12 volts with minimal variation over a range of input voltages and output currents.
  • High Current Capability: Can deliver up to 500 mA of output current, making it suitable for a variety of applications requiring stable power.
  • Low Dropout Voltage: Features a dropout voltage of 2.0 Vdc, ensuring efficient operation even when the input voltage is close to the output voltage.
  • Short Circuit Protection: Includes a short circuit current limit of 350 mA to protect the regulator from overcurrent conditions.
  • Thermal Stability: Available in the HSIP package, which enhances thermal dissipation and reliability.
  • Wide Operating Temperature Range: Operates over a temperature range of 0°C to 125°C, making it suitable for various environmental conditions.

Applications

  • Power Supplies: Ideal for use in power supply units where a stable 12V output is required.
  • Industrial Control Systems: Suitable for industrial control systems, automation, and robotics where reliable voltage regulation is crucial.
  • Consumer Electronics: Used in consumer electronics such as audio equipment, medical devices, and other applications requiring stable DC power.
  • Automotive Systems: Can be used in automotive systems where a stable voltage is necessary for various components.
  • Embedded Systems: Applicable in embedded systems and IoT devices that require a reliable and stable power source.

Q & A

  1. What is the output voltage of the MC78M12CDT regulator?

    The output voltage of the MC78M12CDT regulator is 12 volts.

  2. What is the maximum output current of the MC78M12CDT?

    The maximum output current of the MC78M12CDT is 500 mA.

  3. What is the dropout voltage of the MC78M12CDT?

    The dropout voltage of the MC78M12CDT is 2.0 Vdc.

  4. Does the MC78M12CDT have short circuit protection?

    Yes, the MC78M12CDT includes a short circuit current limit of 350 mA.

  5. What is the operating temperature range of the MC78M12CDT?

    The operating temperature range of the MC78M12CDT is 0°C to 125°C.

  6. What package types are available for the MC78M12CDT?

    The MC78M12CDT is available in the HSIP (Heatsink TO-220) package among others.

  7. What are some common applications of the MC78M12CDT?

    The MC78M12CDT is commonly used in power supplies, industrial control systems, consumer electronics, automotive systems, and embedded systems.

  8. How does the MC78M12CDT ensure thermal stability?

    The MC78M12CDT ensures thermal stability through its HSIP package, which enhances thermal dissipation.

  9. What is the line regulation of the MC78M12CDT?

    The line regulation of the MC78M12CDT is 8.0 mV (typical) over the specified input voltage range.

  10. What is the load regulation of the MC78M12CDT?

    The load regulation of the MC78M12CDT is 25 mV (typical) over the specified output current range.

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):- 
Current - Supply (Max):- 
PSRR:80dB (120Hz)
Control Features:- 
Protection Features:Over Temperature, Short Circuit
Operating Temperature:0°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 MC78M12CDT MC78M12CDTG MC78M12CT MC78M12CDTX MC78M15CDT MC78M18CDT MC78M12ACDT MC78M12BDT
Manufacturer onsemi onsemi onsemi onsemi onsemi onsemi onsemi onsemi
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Output Configuration Positive Positive Positive Positive Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1 1 1 1 1
Voltage - Input (Max) 35V 35V 35V 35V 35V 35V 35V 35V
Voltage - Output (Min/Fixed) 12V 12V 12V 12V 15V 18V 12V 12V
Voltage - Output (Max) - - - - - - - -
Voltage Dropout (Max) - - - 2V @ 500mA (Typ) - - - -
Current - Output 500mA 500mA 500mA 500mA 500mA 500mA 500mA 500mA
Current - Quiescent (Iq) - - - 6 mA - - - -
Current - Supply (Max) - - - - - - - -
PSRR 80dB (120Hz) 80dB (120Hz) 80dB (120Hz) 80dB (120Hz) 70dB (120Hz) 70dB (120Hz) 80dB (120Hz) 80dB (120Hz)
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 Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount 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-220-3 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 TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package DPAK DPAK TO-220 D-Pak DPAK DPAK DPAK DPAK

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