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Name: LM337T
Brand: Texas Instruments
SKU: LM337T
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 LM337T

Part No.:: LM337T

Manufacturer:: Texas Instruments

Package:: TO-220-3

Datasheet:: LM337T.pdf

Description:: IC REG LIN NEG ADJ 1.5A TO220-3

In Stock:: 3308

Quantity:: Add To Cart

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LM337T Specifications

Package/Case:
TO-220-3
Packaging:
Tube
Series:
-
ProductStatus:
Not For New Designs
OutputConfiguration:
Negative
OutputType:
Adjustable
NumberofRegulators:
1
Voltage-Input(Max):
-40V
Voltage-Output(Min/Fixed):
-1.2V
Voltage-Output(Max):
-37V
VoltageDropout(Max):
-
Current-Output:
1.5A
Current-Quiescent(Iq):
-
Current-Supply(Max):
-
PSRR:
77dB (120Hz)
ControlFeatures:
-
ProtectionFeatures:
Over Temperature, Short Circuit
OperatingTemperature:
0°C ~ 125°C
MountingType:
Through Hole

LM337T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM337T price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LM337T to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LM337T information

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LM337T Typical application Circuitry

LM337T

The LM337T is a model within the LM337 series of integrated circuits, which are well-known for their adjustable negative voltage linear regulators. These regulators are highly valued in electronic circuits requiring a stable and adjustable negative voltage source. The LM337 series, including the LM337T, is particularly useful in power supply applications, complementing positive voltage regulators in systems requiring both positive and negative voltages.

1. Pin Configuration: LM337T parts are normally supplied in a three-pin TO-220 packaging. These pins are: Input (IN), Output (OUT), and Adjust (ADJ).

2. Power Supply Connections: The source of negative voltage is linked to the IN pin. The OUT pin is connected to the load in the circuit. It is crucial to keep the voltage difference between IN and OUT within the specified range of the LM337T to ensure proper operation and to prevent damage to the IC.

3. Adjusting the Output Voltage: The variable output voltage of the LM337T is controlled by two external resistors. The ADJ pin is connected to the OUT pin via one resistor, and to ground via the other. The values of these resistors determine the output voltage based on the formula specified in the LM337T datasheet. The output voltage may be precisely controlled thanks to this function.

4. Applications in Power Supplies: The LM337T is often used in dual power supply systems, alongside a positive voltage regulator, to provide the necessary negative voltage rail. This is essential in applications that require bipolar power supplies, such as operational amplifiers, audio amplifiers, and other circuits.

5. Thermal Management: The LM337T, like all voltage regulators, can generate heat during operation. When dealing with high voltage differences or currents, incorporating heat dissipation methods, such as heat sinks, is important for maintaining stable operation and extending the life of the regulator.

6. Protection Features: Including features like overcurrent protection, thermal shutdown, and safe area protection is recommended to safeguard the LM337T from potential damage under abnormal operating conditions.

7. Circuit Layout Considerations: Careful planning of the circuit layout is necessary to reduce interference and noise. This involves keeping the LM337T away from high-frequency components and ensuring short connections between the regulator and the load for stable operation.

Designing with the LM337T requires careful planning and precise implementation of each pin connection to ensure efficient and reliable performance. The adaptability of the LM337T makes it a valuable component in various electronic applications, particularly in power supply designs where a stable and adjustable negative voltage is crucial.

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The price and inventory of LM337T fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of LM337T?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM337T we delivered, we will accept the replacement or return of the LM337T only when all of the below conditions are fulfilled:

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

(2)We are informed of the defect described above within 90 days after the delivery of LM337T.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations