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LM7809CT
809CT Linear Voltage Regulators TO-220-3 ROHS
LM7809CT
809CT Linear Voltage Regulators TO-220-3 ROHS
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LM7809CT DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 5 | $0.260 | $1.30 |
| 50 | $0.209 | $10.45 |
| 150 | $0.186 | $27.90 |
| 500 | $0.158 | $79.00 |
| 2500 | $0.146 | $365.00 |
| 5000 | $0.139 | $695.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The LM7809CT voltage regulator is a reliable and efficient component that plays a crucial role in electronic circuits requiring a stable +9V power supply. With its capability to deliver up to 1A of output current, this voltage regulator is suitable for a wide range of applications in both hobbyist and professional projects. Its input voltage range of 10V to 35V allows for flexibility in various setups, making it a versatile choice for different designs
Key Features
- This is an efficient voltage regulator that ensures stable power supply operation
- The LM7809CT IC has many features such as over-current protection, thermal shutdown and safe operating area protection
- This 3-terminal positive voltage regulator IC provides excellent performance in various applications
- The device is designed to protect the IC from damage due to over-heating or high current
- This power supply voltage regulator ensures reliable operation even under extreme conditions
- LM7809CT IC is suitable for use in many electronic devices, including audio equipment and lighting systems
Application
- Versatile solution for power management
- Robust construction for durability
- Meets industry standards for reliability
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Linear Voltage Regulators | RoHS | Details |
| Mounting Style | Through Hole | Package / Case | TO-220-3 |
| Number of Outputs | 1 Output | Polarity | Positive |
| Output Voltage | 9 V | Output Current ! | 1 A |
| Output Type | Fixed | Input Voltage, Min | 11.5 V |
| Input Voltage, Max | 24 V | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 125 C | Load Regulation ! | 180 mV |
| Line Regulation ! | 180 mV | Series | LM7809 |
| Brand | onsemi / Fairchild | Product Type ! | Linear Voltage Regulators |
| PSRR / Ripple Rejection - Typ | 71 dB | Factory Pack Quantity | 50 |
| Subcategory | PMIC - Power Management ICs | Unit Weight | 0.042823 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM7809CT?
The LM7809CT is a 3-terminal positive voltage regulator integrated circuit (IC) designed by Texas Instruments. It is part of the LM78xx series of voltage regulators and is capable of providing a fixed 9V output voltage from a higher input voltage source.
How Does LM7809CT Work?
The LM7809CT operates by utilizing internal circuitry to regulate the input voltage and provide a stable 9V output voltage. It includes thermal overload protection and short circuit protection features to ensure safe and reliable operation. The regulator is commonly used to power various electronic devices and integrated circuits requiring a 9V power supply.
How Many Pins does LM7809CT have and What are the Functions of the Pinout Configuration?
The LM7809CT is housed in a standard TO-220 package with 3 pins. The pinout configuration includes:
- INPUT (VIN): Input voltage pin.
- GROUND (GND): Ground pin.
- OUTPUT (VOUT): Regulated 9V output voltage pin.
What are the Pros and Cons of LM7809CT?
Pros:
- Stable Output: Provides a stable 9V output voltage, suitable for powering various electronic components and circuits.
- Overload Protection: Includes built-in thermal overload and short circuit protection for enhanced safety and reliability.
- Simple Design: Easy to use and suitable for basic voltage regulation applications.
- Wide Availability: Widely available and commonly used, making it easy to source from multiple suppliers.
Cons:
- Fixed Output: Provides a fixed 9V output and does not offer adjustable output voltage.
- Heat Dissipation: May require a heat sink for applications with high input-output voltage differentials and high load currents.
Are There Any Equivalents/Alternatives to LM7809CT for Recommendation?
- The LM2940 from Texas Instruments is a low dropout (LDO) regulator that can be used as an alternative to the LM7809CT.
- Alternatives to the LM7809CT include the UA7809 from Texas Instruments and the L7809CV from STMicroelectronics.
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