MC7809CD2T
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onsemi MC7809CD2T

Manufacturer No:
MC7809CD2T
Manufacturer:
onsemi
Package:
Tube
Description:
IC REG LINEAR 9V 1A D2PAK
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MC7809CD2T is a 1.0 A positive voltage regulator produced by onsemi. This monolithic integrated circuit is designed as a fixed-voltage regulator, suitable for a wide variety of applications, including local and on-card regulation. The device is part of the MC78XX series, which offers reliable and efficient voltage regulation with various output voltages.

The MC7809CD2T specifically provides a regulated output voltage of 9 volts, making it ideal for systems requiring a stable 9V supply. It features internal current limiting, thermal shutdown, and safe-area compensation, ensuring robust operation under different conditions.

Key Specifications

Characteristic Symbol Min Typ Max Unit
Output Voltage (TJ = 25°C) VO 8.65 9.0 9.35 Vdc
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) VO 8.65 9.0 9.35 Vdc
Line Regulation (TJ = 25°C) Regline - - 10 mV
Load Regulation - - - 10 mV
Peak Output Current (TJ = 25°C) Imax - - 2.2 A
Average Temperature Coefficient of Output Voltage TCVO - - -0.8 mV/°C
Short Circuit Current Limit (TA = 25°C) ISC - - 0.2 A
Operating Temperature Range - -40°C to +125°C - - °C

Key Features

  • Output current in excess of 1.0 A with adequate heatsinking.
  • No external components required for operation.
  • Internal thermal overload protection and short circuit current limiting.
  • Output transistor safe-area compensation.
  • Output voltage offered in 1.5%, 2%, and 4% tolerance.
  • Available in surface mount D2PAK-3, DPAK-3, and standard 3-lead transistor packages.
  • NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified.

Applications

The MC7809CD2T is suitable for a variety of applications, including:

  • Local and on-card voltage regulation.
  • Power supplies for electronic equipment.
  • Automotive systems (NCV prefix models).
  • Industrial control systems.
  • Consumer electronics requiring stable voltage supplies.

Q & A

  1. What is the output voltage of the MC7809CD2T?

    The output voltage of the MC7809CD2T is 9.0 V, with a tolerance range of 8.65 V to 9.35 V at TJ = 25°C.

  2. What is the maximum output current of the MC7809CD2T?

    The MC7809CD2T can deliver an output current in excess of 1.0 A with adequate heatsinking.

  3. Does the MC7809CD2T require external components for operation?

    No, the MC7809CD2T does not require external components for operation.

  4. What are the key protection features of the MC7809CD2T?

    The device features internal thermal overload protection and short circuit current limiting.

  5. What are the available package types for the MC7809CD2T?

    The MC7809CD2T is available in surface mount D2PAK-3, DPAK-3, and standard 3-lead transistor packages.

  6. Is the MC7809CD2T suitable for automotive applications?
  7. What is the operating temperature range of the MC7809CD2T?

    The operating temperature range of the MC7809CD2T is -40°C to +125°C.

  8. How does the MC7809CD2T handle line and load regulation?

    The device has specified line and load regulation characteristics, ensuring stable output voltage across different input and load conditions).

  9. What is the average temperature coefficient of output voltage for the MC7809CD2T?

    The average temperature coefficient of output voltage (TCVO) is -0.8 mV/°C).

  10. What is the short circuit current limit of the MC7809CD2T?

    The short circuit current limit (ISC) is 0.2 A at TA = 25°C).

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):35V
Voltage - Output (Min/Fixed):9V
Voltage - Output (Max):- 
Voltage Dropout (Max):2V @ 1A (Typ)
Current - Output:1A
Current - Quiescent (Iq):8 mA
Current - Supply (Max):- 
PSRR:61dB (120Hz)
Control Features:- 
Protection Features:Over Temperature, Short Circuit
Operating Temperature:0°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:D2PAK-3
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Similar Products

Part Number MC7809CD2T MC7809CD2TG MC7805CD2T MC7808CD2T
Manufacturer onsemi onsemi onsemi onsemi
Product Status Obsolete Obsolete Obsolete Obsolete
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) 9V 9V 5V 8V
Voltage - Output (Max) - - - -
Voltage Dropout (Max) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ)
Current - Output 1A 1A 1A 1A
Current - Quiescent (Iq) 8 mA 8 mA 6.5 mA 8 mA
Current - Supply (Max) - - - -
PSRR 61dB (120Hz) 61dB (120Hz) 83dB (120Hz) 62dB (120Hz)
Control Features - - - -
Protection Features 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
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package D2PAK-3 D2PAK-3 D2PAK-3 D2PAK-3

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