L78M09ABDT

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L78M09ABDT

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Thông số kỹ thuật

Brand STMicroelectronics
Product Type Linear Voltage Regulators
Subcategory PMIC - Power Management ICs
Series L78M09AB
Mounting Style SMD/SMT
Package / Case TO-252
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C
Packaging Tube
Factory Pack Quantity:Factory Pack Quantity 75
Length 6.6 mm (Max)
Width 6.2 mm (Max)
Height 2.4 mm (Max)
Unit Weight 0.063493 oz
Output Voltage 9 V
Output Current 500 mA
Number of Outputs 1 Output
Polarity Positive
Input Voltage - Min 35 V
Input Voltage - Max 35 V
Output Type Fixed
Load Regulation 180 mV
Shipping Restrictions Mouser does not presently sell this product in your region.
Line Regulation 100 mV

Tổng quan

Description

The L78M09ABDT is a voltage regulator integrated circuit (IC) that provides a stable output voltage of 9V, making it ideal for various electronic applications. It belongs to the L78M series of linear voltage regulators, which are designed to deliver a fixed output voltage with low dropout voltage, meaning it can maintain regulation with a minimal difference between input and output voltage.
Key features include a maximum output current of 500mA, thermal overload protection, and short-circuit protection, ensuring reliability and safety in circuits. The L78M09ABDT typically comes in a TO-220 package, facilitating easy heat dissipation and mounting.
This IC is commonly used in power supply circuits for microcontrollers, sensors, and other electronic devices requiring a stable 9V supply. It operates over a wide input voltage range, making it versatile for various power supply designs. Overall, the L78M09ABDT is a popular choice for hobbyists and professionals alike due to its simplicity and effectiveness in providing regulated voltage.

Features

The L78M09ABDT is a voltage regulator that delivers a fixed output voltage of 9V with a maximum output current of 1A. Key features include:
1. Input Voltage Range: Typically operates with input voltages between 11V to 26V.
2. Thermal Overload Protection: Prevents damage due to overheating.
3. Short-Circuit Protection: Shields the device from damage in case of short circuits.
4. High Ripple Rejection: Ensures stable output voltage with minimal noise.
5. Package Type: Available in TO-220 or similar packages for easy mounting and heat dissipation.
6. Easy to Use: Requires minimal external components for operation, facilitating straightforward integration into circuits.
Overall, the L78M09ABDT is ideal for applications needing stable 9V power supply, including consumer electronics and industrial devices.

Package

The L78M09ABDT is typically packaged in a TO-220 form factor. This package type features a metal tab for heat dissipation and is commonly used for voltage regulator applications.

Pinout

The L78M09ABDT is a voltage regulator with a pin count of 5. It provides a fixed output voltage of 9V and is part of the L78M series of linear voltage regulators, which are designed for low current applications.
### Pin Functions:
1. Input (Pin 1): Connects to the input voltage source.
2. Ground (Pin 2): Common ground connection.
3. Output (Pin 3): Provides the regulated 9V output.
4. NC (Pin 4): Not connected (can be left unconnected).
5. Tab/Heatsink (Pin 5): Provides thermal dissipation; often connected to ground or can be used for mounting.
The L78M09ABDT is suitable for various applications, including power supplies for small electronic devices.

Manufacturer

The L78M09ABDT is manufactured by STMicroelectronics, a global semiconductor company headquartered in Geneva, Switzerland. STMicroelectronics designs, develops, manufactures, and markets a wide range of semiconductor solutions, including microcontrollers, sensors, and power management devices. The company serves various markets such as automotive, industrial, personal electronics, and telecommunications. STMicroelectronics is known for its innovation and commitment to sustainability, developing technologies that drive efficiency and performance in electronic systems.

Application

The L78M09ABDT is a voltage regulator commonly used in various applications, including power supply circuits, consumer electronics, and embedded systems. It provides a stable 9V output, making it suitable for powering sensors, microcontrollers, and small devices. Its compact design and efficiency make it ideal for battery-operated equipment, audio devices, and telecommunications. Additionally, it can be used in DIY projects and prototyping for reliable voltage regulation.

Equivalent

The L78M09ABDT is a linear voltage regulator that outputs 9V at 500mA. Equivalent products include:
1. LM7809
2. L78M09
3. L7833 (with appropriate modifications for current)
4. LM317 (adjustable regulator with external resistors)
5. AMS1117-9.0 (for a low-dropout alternative)
Check datasheets for specifications to ensure compatibility in your application.

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