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Name: LM317A-337N-EVM
Brand: Texas Instruments
SKU: LM317A-337N-EVM
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LM317A-337N-EVM

Part No.:: LM317A-337N-EVM

Manufacturer:: Texas Instruments

Package:

Datasheet:: LM317A-337N-EVM.pdf

Description:: EVAL BOARD FOR LM317A LM337-N

In Stock:: 3443

Quantity:: Add To Cart

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LM317A-337N-EVM Typical application Circuitry

LM317A-337N-EVM

The LM317A-337N-EVM belongs to the series of evaluation modules designed for testing and experimenting with linear voltage regulators, specifically the LM317A and the LM337N. The positive voltage regulator LM317A can provide more than 1.5 A throughout an output voltage range of 1.25 V to 37 V. The negative counterpart, LM337N, can provide the same current levels across a voltage range of -1.25 V to -37 V.

1. Input Voltage (LM317A, Positive Regulator): Connect a positive voltage supply within the regulator's specified range to the input pin. At the very least, the dropout voltage must separate the input from the intended output voltage.

2. Output Voltage (LM317A, Positive Regulator): The adjustable output voltage is accessed from this pin. By connecting a resistor network between this pin, the adjustment pin, and ground, you can set the output voltage to your desired level.

3. Adjustment (LM317A, Positive Regulator): This pin modifies the voltage output. The connection of a resistor network between the output pin and ground allows you to set the output voltage.

4. Input Voltage (LM337N, Negative Regulator): Connect a negative voltage supply within the regulator's specified range to the input pin. Similar to the positive regulator, ensure the input is lower than the desired output voltage by at least the dropout voltage.

5. Output Voltage (LM337N, Negative Regulator): Obtain the adjustable negative output voltage from this pin. The output voltage is set via a resistor network connected to the adjustment pin.

6. Adjustment (LM337N, Negative Regulator): This pin is used to adjust the output voltage. Setting the output voltage involves a resistor network similar to that used with the positive regulator.

7. Key Features of the LM317A-337N-EVM:

- Adjustable Output Voltage: Both the LM317A and LM337N on the EVM provide an adjustable output voltage, allowing for a wide range of applications.

- Dual Polarity Regulation: The EVM includes both a positive and negative voltage regulator, making it versatile for circuit prototyping that requires both supply types.

- High Current Capability: Each regulator on the EVM can supply more than 1.5 A of current, accommodating a substantial power requirement.

- Evaluation Module: The LM317A-337N-EVM is designed for easy setup and evaluation of the voltage regulators, featuring convenient test points and jumper settings.

8. Circuit Design Considerations for the LM317A-337N-EVM: When utilizing the LM317A-337N-EVM in a circuit, it is essential to consult the datasheet for detailed specifications on power supply voltages, output current limits, and the resistor network required to set the output voltages. Ensure the input voltage always exceeds the desired output by at least the dropout voltage. Proper heat sinking may also be necessary to manage the thermal load, especially when drawing significant current.

In summary, the LM317A-337N-EVM offers a practical platform for the testing and application of the LM317A and LM337N voltage regulators, providing adjustable, dual polarity voltage regulation with substantial current capabilities. Its design facilitates a wide variety of power configurations, making it a valuable tool for developing and prototyping electronic circuits.

LM317A-337N-EVM information

LM317A-337N-EVM Specifications

Packaging:
Bulk
Series:
-
ProductStatus:
Active
ChannelsperIC:
1 - Single
Voltage-Output:
±5V
Current-Output:
1.5A
Voltage-Input:
-
RegulatorType:
Positive and Negative Adjustable
BoardType:
Fully Populated
SuppliedContents:
Board(s)

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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