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LM320T-15
Linear Regulator with High Power Supply Rejection Ratio
LM320T-15
Linear Regulator with High Power Supply Rejection Ratio
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Manufacturer Part # : LM320T-15
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Package/Case: TO220-3
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Shipping & Payment
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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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LM320T-15 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Texas Instruments' LM320T-15 is a top-tier voltage regulator integrated circuit that guarantees a fixed 15-volt output within an input voltage range of 17 to 35 volts. Designed for applications requiring a stable power supply, this IC can handle output currents up to 1.5 amps, making it an ideal choice for electronic devices and circuits across various industries. The LM320T-15 is equipped with internal thermal overload protection and short circuit defense mechanisms, prioritizing safety and longevity during operation. Its TO-220 package enables simple installation on heat sinks, promoting efficient heat dissipation to maintain optimal performance. Widely utilized in audio amplifiers, industrial control systems, and instrumentation equipment, the LM320T-15 excels in providing consistent voltage regulation and safeguarding critical components. Invest in the LM320T-15 for dependable power delivery and protection in your electronic projects
Key Features
- This is feature 2, "A new version released"
- LM320T-15 improved thermal stability
- Now with enhanced power supply performance
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Fixed Output | Iout (max) (A) | 1.5 |
| Vin (max) (V) | -18 | Vin (min) (V) | -25 |
| Vout (max) (V) | -5 | Vout (min) (V) | -15 |
| Fixed output options (V) | -15 | Noise (µVrms) | 150 |
| Iq (typ) (mA) | 2 | Thermal resistance θJA (°C/W) | 35 |
| Rating | Catalog | Load capacitance (min) (µF) | 1 |
| Regulated outputs (#) | 1 | Accuracy (%) | 2 |
| PSRR at 100 KHz (dB) | 25 | Dropout voltage (Vdo) (typ) (mV) | 1700 |
| Operating temperature range (°C) | 0 to 125 |
FAQs
What is LM320T-15?
The LM320T-15 is a 3-terminal positive voltage regulator from Texas Instruments. It is a member of the LM320 series of regulators and is designed to provide a fixed output voltage of 15V with a maximum output current of 1.5A. This regulator is commonly used to provide a stable 15V supply voltage in various electronic circuits and systems.
How Does LM320T-15 Work?
The LM320T-15 works by taking in a higher input voltage, typically from a DC power source or a rectified AC source, and regulating it down to a steady 15V output. It utilizes a pass transistor and feedback mechanism to continuously compare the output voltage with a reference to make necessary adjustments, ensuring a consistent and reliable 15V output regardless of changes in load and input voltage.
How Many Pins does LM320T-15 have and What are the Functions of the Pinout Configuration?
The LM320T-15 is housed in a TO-220 package. The pinout configuration includes:
- INPUT: Input voltage pin.
- OUTPUT: Regulated output voltage pin (15V).
- GND: Ground pin.
What are the Pros and Cons of LM320T-15?
Pros:
- High Current Output: Capable of delivering up to 1.5A of output current.
- Thermal Shutdown: Includes built-in thermal shutdown protection to prevent damage from overheating.
- Short Circuit Protection: Features internal current limiting to protect against short circuits.
- Wide Operating Temperature Range: Suitable for operation in various environmental conditions.
- Reliability: Offers stable and reliable 15V output voltage for powering sensitive electronics.
Cons:
- Heat Dissipation: May require a heat sink for applications involving high currents and elevated ambient temperatures.
- Dropout Voltage: Requires a minimum input-output voltage differential for proper regulation.
- External Capacitors: May need additional capacitors for stability and noise reduction, depending on the application.
Are There Any Equivalents/Alternatives to LM320T-15 for Recommendation?
- The LM340-15 from Texas Instruments is a similar 15V voltage regulator with a maximum output current of 1A.
- Alternatives to the LM320T-15 include the L7815CV from STMicroelectronics and the UA7815 from Texas Instruments.
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