LM317KCS Allicdata Electronics
Allicdata Part #:

296-13869-5-ND

Manufacturer Part#:

LM317KCS

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG LIN POS ADJ 1.5A TO220-3
More Detail: Linear Voltage Regulator IC Positive Adjustable 1 ...
DataSheet: LM317KCS datasheetLM317KCS Datasheet/PDF
Quantity: 3810
Stock 3810Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Output Configuration: Positive
Output Type: Adjustable
Number of Regulators: 1
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 1.25V
Voltage - Output (Max): 37V
Voltage Dropout (Max): --
Current - Output: 1.5A
PSRR: 80dB ~ 65dB (120Hz)
Control Features: --
Protection Features: Over Current, Over Temperature, Short Circuit
Operating Temperature: 0°C ~ 125°C
Mounting Type: Through Hole
Package / Case: TO-220-3
Supplier Device Package: TO-220-3
Base Part Number: LM317
Description

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LM317KCS Application Field and Working Principle

The LM317KCS is a three-terminal adjustable positive voltage regulator from Texas Instruments (TI). It is a versatile and commonly used linear voltage regulator intended for controlling the voltage in a wide range of applications. This device can provide currents up to 1.5 A over an output voltage range of 1.25 V to 37 V.

The LM317KCS regulator is used in many electronic systems to maintain a constant voltage in circuits. Its main role is to convert an unregulated input voltage into a regulated output voltage that is used to power the circuits of the system. This type of voltage regulator is used in power supplies, battery chargers, and other electronic systems that require a constant voltage. The LM317KCS is also used to provide regulation and to protect circuits from excessive current.

Working Principle of LM317KCS

The LM317KCS voltage regulator operates on the principle of an operational amplifier (op-amp) and a series pass transistor. The op-amp is a closed-loop comparator that compares the voltage at the output pin of the regulator to a reference voltage set by a voltage divider circuit connected to the adjustment pin. The op-amp then adjusts the current flowing through the pass transistor, regulating the voltage at the output.

The LM317KCS contains two current limiting and protection components: The current-limiting (short-circuit) sensing circuit and the thermal protection circuit. The current-limiting sensing circuit is designed to automatically limit the output current if a short circuit is detected at the output. The thermal protection circuit monitors the temperature of the device and shuts off the current to the output if the temperature exceeds the specified limit.

Application Field of LM317KCS

The LM317KCS can be used in many everyday applications to control the output voltage. Some examples include:

  • Battery chargers
  • DC motor control
  • High-efficiency LED drivers
  • DC-DC converter and voltage regulators
  • Audio amplifiers and equipment
  • Photovoltaic cells, solar panels, and wind turbines

The LM317KCS is an easy to use and reliable voltage regulator. It is able to provide the precise voltage output and is also extremely efficient and cost-effective. Its small size, high power capabilities and wide range of applications make it a popular choice for use in many different devices.

The specific data is subject to PDF, and the above content is for reference

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