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LM317KCT
Linear Voltage Regulators 1.5A Adj Pos Vltg Reg
LM317KCT
Linear Voltage Regulators 1.5A Adj Pos Vltg Reg
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Manufacturer Part # : LM317KCT
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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
Quality Assurance
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Certification
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Shipping & Payment
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.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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LM317KCT 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
One of the standout features of the LM317KCT is its exceptional line regulation of 0.01%, ensuring that the output voltage remains stable even in the face of fluctuating input voltages. Additionally, the device offers a load regulation of 0.1%, further enhancing its performance and reliability. With built-in current limiting, thermal overload protection, and safe operating area protection, users can rest assured that their circuit is safeguarded against potential damage
Key Features
- Up to 32 GB flash storage capacity
- Dual-core processor for enhanced performance
- Advanced power management for extended battery life
- SIM card slot for network connectivity
- Built-in Wi-Fi and Bluetooth capabilities
- Integrated speaker and microphone
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Adjustable Output | Iout (max) (A) | 1.5 |
| Vin (max) (V) | 40 | Vin (min) (V) | 3 |
| Vout (max) (V) | 37 | Vout (min) (V) | 1.25 |
| Noise (µVrms) | 38 | Iq (typ) (mA) | 5 |
| Thermal resistance θJA (°C/W) | 24 | Rating | Catalog |
| Load capacitance (min) (µF) | 0 | Regulated outputs (#) | 1 |
| Accuracy (%) | 5 | PSRR at 100 KHz (dB) | 38 |
| Dropout voltage (Vdo) (typ) (mV) | 2000 | Operating temperature range (°C) | 0 to 125 |
FAQs
What is LM317KCT?
The LM317KCT is a three-terminal adjustable positive voltage regulator integrated circuit (IC) designed by Texas Instruments. It is capable of providing a regulated output voltage from 1.25V to 37V with a current up to 1.5A, making it suitable for a wide range of applications, including power supplies, voltage regulators, and battery chargers.
How Does LM317KCT Work?
The LM317KCT works by using an adjustable voltage control loop to maintain a constant output voltage regardless of variations in input voltage and load current. It utilizes an internal voltage reference and feedback mechanism to adjust the output voltage based on the voltage divider connected to its adjustment pin. By setting appropriate resistor values, the output voltage can be precisely regulated within the specified range.
How Many Pins does LM317KCT have and What are the Functions of the Pinout Configuration?
The LM317KCT is housed in a TO-220 package with 3 pins:
- Input (VIN): This pin is the input supply voltage.
- Adjust (ADJ): The adjustment pin used to set the output voltage.
- Output (VOUT): The regulated output voltage is obtained from this pin.
What are the Pros and Cons of LM317KCT?
Pros:
- Adjustable Output: Allows for a wide range of output voltage settings, providing flexibility for different applications.
- High Current Capability: Capable of sourcing up to 1.5A, suitable for moderate power applications.
- Thermal Regulation: Contains internal thermal overload protection and current limiting, enhancing reliability.
- Simple Design: Requires minimal external components for basic operation, making it relatively easy to use.
Cons:
- Heat Dissipation: May require a heat sink for higher power applications to dissipate excess heat.
- Dropout Voltage: Requires a minimum input-output voltage differential, which may limit its use in low voltage applications.
- No Negavite Voltage Regulation: The LM317KCT is a positive voltage regulator and cannot regulate negative voltages.
Are There Any Equivalents/Alternatives to LM317KCT for Recommendation?
- The LM350 from Texas Instruments is a close equivalent to the LM317KCT with higher current capability.
- Alternatives to the LM317KCT include the L7805 and LDO regulators such as the LM1117 series from various manufacturers like STMicroelectronics and ON Semiconductor.
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