Overview
The STMicroelectronics L7809ABD2T-TR is a monolithic three-terminal positive voltage regulator designed to provide a stable and reliable voltage supply. Introduced on June 21, 2004, this component is part of STMicroelectronics' lineup of linear voltage regulators. It is packaged in a D2PAK surface mount package, making it suitable for applications where space is limited. The regulator is known for its low-noise operation and includes protection against current and thermal overload, ensuring robust performance in various environments.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | STMicroelectronics |
| Mfr. Part # | L7809ABD2T-TR |
| Package | D2PAK |
| Output Voltage | Fixed 9V |
| Maximum Output Current | 1.5A |
| Maximum Input Voltage | 35V |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | 125°C |
| PSRR (Power Supply Rejection Ratio) | 61dB @ 120Hz |
| Compliance | RoHS compliant, ECCN: EAR99 |
Key Features
- Fixed Output Voltage: The L7809ABD2T-TR provides a fixed output voltage of 9V, making it suitable for applications requiring a stable voltage supply.
- High Current Capability: It can deliver up to 1.5A of output current, supporting a wide range of applications.
- Low Noise Operation: The regulator offers a high PSRR of 61dB @ 120Hz, ensuring low noise operation in sensitive circuits.
- Protection Features: Includes protection against current and thermal overload, enhancing reliability and longevity.
- Compact Packaging: The D2PAK surface mount package is ideal for space-constrained designs.
Applications
- Industrial Applications: Suitable for various industrial control systems, power supplies, and automation equipment.
- Domestic Appliances: Used in household appliances that require stable voltage supplies.
- Automotive Systems: Although not AEC-Q100 qualified, it can be used in non-automotive specific automotive applications where the requirements are less stringent.
- Power Supplies and Voltage Regulation: Ideal for building power supplies, voltage regulators, and other electronic circuits requiring stable voltage outputs.
Q & A
- What is the output voltage of the L7809ABD2T-TR?
The output voltage is fixed at 9V.
- What is the maximum output current of the L7809ABD2T-TR?
The maximum output current is 1.5A.
- What is the package type of the L7809ABD2T-TR?
The package type is D2PAK.
- Is the L7809ABD2T-TR RoHS compliant?
Yes, it is RoHS compliant.
- What is the PSRR of the L7809ABD2T-TR at 120Hz?
The PSRR is 61dB @ 120Hz.
- Does the L7809ABD2T-TR have built-in protection features?
Yes, it includes protection against current and thermal overload.
- What is the operating temperature range of the L7809ABD2T-TR?
The operating temperature range is from 0°C to 125°C.
- Is the L7809ABD2T-TR suitable for automotive applications?
Although not AEC-Q100 qualified, it can be used in non-automotive specific automotive applications.
- What is the ECCN code for the L7809ABD2T-TR?
The ECCN code is EAR99.
- Where can I find the datasheet for the L7809ABD2T-TR?
The datasheet can be downloaded from the official STMicroelectronics website or other reliable sources like LCSC, Datasheets.com, and JLCPCB.
