L78M09ABDT-TR
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STMicroelectronics L78M09ABDT-TR

Manufacturer No:
L78M09ABDT-TR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 9V 500MA DPAK
Delivery:
Payment:
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Product Introduction

Overview

The L78M09ABDT-TR is a three-terminal positive linear voltage regulator produced by STMicroelectronics. It is part of the L78M series, which offers a range of fixed output voltages, making it versatile for various applications. This regulator is available in several package types, including TO-220 and DPAK, and is designed to provide local on-card regulation, eliminating the need for single-point regulation and associated distribution problems.

Key Specifications

ParameterValueUnit
Output Voltage8.82 - 9.18V
Output CurrentUp to 500 mAmA
Input Voltage (for VO = 9V)Up to 35 VV
Quiescent Current6 mA (typical)mA
Line Regulation100 mV (VI = 11.5 to 25 V, IO = 200 mA)mV
Load Regulation100 mV (IO = 5 to 500 mA)mV
Dropout Voltage2 V (typical)V
Short Circuit Current250 mA (typical)mA
Operating Junction Temperature-40 to 125 °C°C
Thermal Resistance (Junction to Case)5 °C/W (TO-220), 8 °C/W (DPAK)°C/W

Key Features

  • Fixed Output Voltage: The L78M09ABDT-TR provides a fixed output voltage of 9V.
  • High Current Capability: It can deliver up to 500 mA of output current.
  • Thermal Overload Protection: The regulator includes internal thermal shutdown to protect against overheating.
  • Short Circuit Protection: It features short circuit current limiting and safe area protection.
  • Output Transition SOA Protection: Ensures safe operation during output transitions.
  • Precision Output Voltage: The output voltage has a tolerance of ±2%.
  • Extended Temperature Range: Operates over a temperature range of -40 to 125 °C.

Applications

The L78M09ABDT-TR is suitable for a wide range of applications, including local on-card regulation and power distribution systems. It is particularly useful in scenarios where a stable and reliable voltage supply is necessary, such as in industrial control systems, medical devices, and consumer electronics.

Q & A

  1. What is the output voltage of the L78M09ABDT-TR? The output voltage is 9V with a tolerance of ±2%.
  2. What is the maximum output current of the L78M09ABDT-TR? The maximum output current is up to 500 mA.
  3. What are the package options for the L78M09ABDT-TR? It is available in TO-220 and DPAK packages.
  4. Does the L78M09ABDT-TR have thermal protection? Yes, it includes internal thermal shutdown to protect against overheating.
  5. What is the operating temperature range of the L78M09ABDT-TR? The operating temperature range is -40 to 125 °C.
  6. Is the L78M09ABDT-TR protected against short circuits? Yes, it features short circuit current limiting and safe area protection.
  7. What is the dropout voltage of the L78M09ABDT-TR? The dropout voltage is typically 2 V.
  8. Can the L78M09ABDT-TR be used for adjustable voltage regulation? Although primarily designed as a fixed voltage regulator, it can be used with external components to obtain adjustable voltage and currents.
  9. What is the quiescent current of the L78M09ABDT-TR? The quiescent current is typically 6 mA.
  10. What are some common applications of the L78M09ABDT-TR? It is commonly used in local on-card regulation, power distribution systems, industrial control systems, medical devices, and consumer electronics.

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):- 
Current - Output:500mA
Current - Quiescent (Iq):6 mA
Current - Supply (Max):- 
PSRR:56dB (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 L78M09ABDT-TR L78M09ACDT-TR L78M05ABDT-TR L78M06ABDT-TR L78M08ABDT-TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Obsolete Active Active Active
Output Configuration Positive Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1 1
Voltage - Input (Max) 35V 35V 35V 35V 35V
Voltage - Output (Min/Fixed) 9V 9V 5V 6V 8V
Voltage - Output (Max) - - - - -
Voltage Dropout (Max) - - - - -
Current - Output 500mA 500mA 500mA 500mA 500mA
Current - Quiescent (Iq) 6 mA 6 mA 6 mA 6 mA 6 mA
Current - Supply (Max) - - - - -
PSRR 56dB (120Hz) 56dB (120Hz) 62dB (120Hz) 59dB (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 Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C 0°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type 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-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 DPAK

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