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Texas Instruments Adjustable Positive Voltage Regulator 1.5A 1.2V-37V Output 40V Input SOT-223 4-Pin LM317DCYR
Specifications
| Country of Origin | China |
|---|---|
| Voltage | Regulators Texas Instruments LM317DCYR, Voltage Regulator 40V SOT-223 4-Pin RS S |
| Brand | Texas Instruments |
| Height | 1.6mm |
| Length | 6.5mm |
| Model | LM317DCYR |
| Width | 3.5mm |
| Mount Type | Surface |
| Series | LM317 |
| Output Current | 1.5 A (LM317), 0.5 A (LM317M), 0.1 A (LM317L) |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-223 |
| Polarity | Positive |
| Maximum Input Voltage | 40V |
| Output Voltage Range | 1.2 V to 37 V |
| Minimum Input Voltage | 4.2V |
| Pin Count | 4 |
| Typical line regulation | 0.01% |
Key Features
- Regulates voltage adjustable from 1.2 V to 37 V using external resistors.
- Supports maximum operating temperature of 125°C for robust performance.
- Incorporates built-in current limiting, thermal overload, and safe operating area protection.
- Surface mount package type SOT-223 with 4 pins ensures compact PCB layout.
- Typical line regulation of 0.01% and load regulation of 0.1% for stable output.
- Positive polarity voltage regulator suitable for a variety of electronic circuits.
- Maximum input voltage rating of 40 V with minimum input of 4.2 V.
- Manufactured in China, designed for new state industrial use.
Product Description
Texas Instruments LM317DCYR is a high-quality adjustable positive voltage regulator designed for precision voltage control in electronic circuits. It operates within an output voltage range of 1.2 V to 37 V with an output current up to 1.5 A. Packaged in a compact SOT-223 4-pin surface mount package, it is ideal for space-constrained PCBs in industrial, automotive, and power management applications.
This device features robust protections including current limiting, thermal overload protection, and safe operating area protection, ensuring long-term reliability and safety under demanding conditions. It offers excellent line regulation typical at 0.01% and load regulation at 0.1%, providing stable output voltage even with input voltage or load variations.
The LM317DCYR operates at maximum input voltages up to 40 V and can function reliably up to 125°C junction temperature, making it suitable for harsh environments. Its positive voltage polarity and adjustable output are set via two external resistors, allowing flexibility in designing custom voltage levels as per requirement.
Typical applications include power supplies, battery chargers, and other industrial and commercial power regulation needs. It facilitates efficient and safe voltage regulation critical in electronic device stability and performance.
Adjustable output voltage from 1.2 V to 37 V controlled externally. High output current capacity of 1.5 A (LM317DCYR) with thermal and current protection. Compact SOT-223 4-pin surface mount package designed for efficient heat dissipation.
Robust industrial operating temperature range up to 125°C. Maximum input voltage of 40 V suitable for diverse power supply designs. Low line and load regulation percentage ensures stable device behavior. Positive polarity suitable for standard power supply circuits.
Manufactured in China, compliant with industry standards. Suitable for a vast range of applications including automotive and industrial electronics. Reliable and durable voltage regulation enhancing device lifetime.
This Voltage Regulator is an excellent component for engineers and technicians requiring precise and reliable power control in compact electronic assemblies. Explore further Texas Instruments products for comprehensive power management solutions on EnvMart.
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Frequently Asked Questions
The output voltage range of this model is adjustable from 1.2 V to 37 V.
The maximum input voltage rating for the LM317DCYR is 40 V.
It can provide an output current of up to 1.5 A.
The typical line regulation is 0.01%, ensuring stable output voltage under varying input conditions.
This model can operate at a maximum temperature of 125°C.
It is packaged in a compact SOT-223 4-pin surface mount package.
The minimum input voltage required for this voltage regulator is 4.2 V.
The output voltage is adjusted using two external resistors.
This voltage regulator has a positive polarity, making it suitable for standard power supply circuits.
The dimensions of this model are 6.5 mm in length, 3.5 mm in width, and 1.6 mm in height.
It incorporates built-in current limiting, thermal overload protection, and safe operating area protection.
Typical applications include power supplies, battery chargers, and various industrial and commercial power regulation needs.
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