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Texas Instruments Adjustable Positive Voltage Regulator TO-220 3-Pin 40V 1.5A LM317AT/NOPB
Specifications
| Country of Origin | Malaysia |
|---|---|
| Voltage | Regulators Texas Instruments LM317AT/NOPB, Voltage Regulator 40V TO-220 3-Pin RS |
| Brand | Texas Instruments |
| Height | 8.89mm |
| Length | 10.16mm |
| Model | LM317AT/NOPB |
| Width | 4.7mm |
| Mount Type | Through Hole |
| Series | LM317 |
| Output Current | 1.5 A (LM317), 0.5 A (LM317M), 0.1 A (LM317L) |
| Maximum Operating Temperature | 125°C |
| Package Type | TO-220 |
| Polarity | Positive |
| Maximum Input Voltage | 40V |
| Quiescent Current | 4mA |
| Output Voltage Range | 1.2 V to 37 V |
| Minimum Input Voltage | 4.2V |
| Pin Count | 3 |
| Typical line regulation | 0.01% |
Key Features
- The device supports output voltage range from 1.2V to 37V, set by external resistors.
- It features robust protection including current limiting and thermal overload safeguards.
- Designed for through-hole mounting in a compact TO-220 package with 3 pins.
- Quiescent current is low at 4mA, ensuring efficient operation.
- Typical line regulation is 0.01% and load regulation is 0.1%, providing stable voltage output.
- Maximum operating temperature rating of 125°C allows reliable use in demanding conditions.
- Manufactured in Malaysia, meeting quality standards of Texas Instruments.
Product Description
Texas Instruments LM317AT/NOPB is an adjustable three-terminal positive voltage regulator in a TO-220 package designed for use in electronic circuits requiring a stable and adjustable output voltage. It operates over an input voltage range up to 40V and can supply output currents up to 1.5A, making it suitable for a variety of power management applications.
This voltage regulator features excellent line and load regulation with typical values of 0.01% and 0.1% respectively, ensuring precise voltage output with minimal fluctuation. The output voltage is adjustable from 1.2V to 37V via external resistors, providing flexibility to the user.
The device incorporates built-in current limiting, thermal overload protection, and safe operating area protection to enhance reliability and safety during operation. The low quiescent current of 4mA contributes to efficient power usage, making it ideal for battery-powered and low-power systems.
The LM317AT/NOPB package is a 3-pin through-hole TO-220 type with compact dimensions suitable for easy PCB integration. It can operate reliably at temperatures up to 125°C, suitable for industrial and commercial electronic equipment.
Common applications include power supplies, voltage regulation, and electronic device protection circuits across industrial, laboratory, and consumer electronics fields. Adjustable output voltage from 1.2V to 37V for precision power management.
Output current rating of up to 1.5A suitable for medium load applications. Robust protection features enhance operational safety and longevity. Low quiescent current of 4mA promotes energy efficiency in sensitive applications.
Compact TO-220 3-pin through-hole package ensures easy assembly. Maximum operating temperature up to 125°C supports harsh environments. Explore the range of Texas Instruments Voltage Regulators in the Electronics & Electricals section at EnvMart for your power management needs.
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Frequently Asked Questions
The output voltage of this model is adjustable from 1.2V to 37V, set by external resistors.
It can operate reliably at a maximum temperature of 125°C, suitable for demanding environments.
The maximum input voltage for this voltage regulator is 40V.
It can supply output currents up to 1.5A, making it suitable for medium load applications.
The dimensions of the TO-220 package are 10.16mm in length, 4.7mm in width, and 8.89mm in height.
This unit is designed for through-hole mounting, which facilitates easy assembly on PCBs.
The quiescent current is low at 4mA, contributing to efficient operation.
It includes built-in current limiting, thermal overload protection, and safe operating area protection to enhance reliability.
The typical line regulation is 0.01%, ensuring stable voltage output with minimal fluctuation.
Common applications include power supplies, voltage regulation, and electronic device protection circuits across various fields.
The minimum input voltage required is 4.2V.
This model belongs to the LM317 series of voltage regulators.
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