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LM317MQDCYRG4
40V maximum voltage rating
LM317MQDCYRG4
40V maximum voltage rating
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Manufacturer Part # : LM317MQDCYRG4
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Package/Case: SOT223-4
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Service & Packaging
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LM317MQDCYRG4 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
For engineers and designers looking for a reliable, efficient, and versatile linear voltage regulator, the LM317MQDCYRG4 from Texas Instruments is a top choice. With its adjustable and fixed output voltage options, wide input voltage range, and RoHS compliance, this product offers the features and performance required for demanding applications. Whether you are working on a new electronics project or upgrading an existing power supply unit, the LM317MQDCYRG4 provides the precision and stability you need. Trust Texas Instruments to deliver cutting-edge semiconductor solutions that empower your designs and drive innovation in the industry
Key Features
- Precise Voltage Tracking and Regulation Control
- Suitable for DC-DC Converter Applications in Industrial Automation
- Robust Overvoltage Protection with Fast Response Time
- Suitable for Power Supply and Motor Drive Applications
- Precise Current Limiting for Enhanced Reliability
- Fault Tolerant Operation with Built-In Error Detection
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Adjustable Output | Iout (max) (A) | 0.5 |
| Vin (max) (V) | 40 | Vin (min) (V) | 3 |
| Vout (max) (V) | 37 | Vout (min) (V) | 1.2 |
| Noise (µVrms) | 38 | Iq (typ) (mA) | 3.5 |
| Thermal resistance θJA (°C/W) | 60 | Rating | Automotive |
| Load capacitance (min) (µF) | 0 | Regulated outputs (#) | 1 |
| Accuracy (%) | 2 | PSRR at 100 KHz (dB) | 22 |
| Dropout voltage (Vdo) (typ) (mV) | 2000 | Operating temperature range (°C) | -40 to 125 |
FAQs
What is LM317MQDCYRG4?
The LM317MQDCYRG4 is an adjustable three-terminal positive voltage regulator manufactured by Texas Instruments. It is designed to provide a regulated output voltage with high accuracy and low dropout voltage, making it suitable for a wide range of applications including power supplies, battery chargers, and voltage references.
How Does LM317MQDCYRG4 Work?
The LM317MQDCYRG4 operates by using an adjustable feedback mechanism to regulate the output voltage. It compares the output voltage to a reference voltage and adjusts the pass transistor to maintain a constant output. The regulator can be configured to provide different output voltages based on the application requirements.
How Many Pins does LM317MQDCYRG4 have and What are the Functions of the Pinout Configuration?
The LM317MQDCYRG4 is housed in a 6-pin SOT-223 (Small Outline Transistor) package. The pinout configuration includes:
- ADJ: Adjust pin for setting the output voltage.
- OUT: Regulated output voltage pin.
- IN: Input voltage supply pin.
- NC: No connect pin.
- NC: No connect pin.
- GND: Ground pin.
What are the Pros and Cons of LM317MQDCYRG4?
Pros:
- Adjustable Output: The LM317MQDCYRG4 can be used to provide a wide range of output voltages.
- Low Dropout Voltage: Maintains regulation even with a small voltage difference between the input and output.
- Thermal Regulation: Includes thermal shutdown and current limit features for protection.
- Simple Design: Requires minimal external components for basic regulation.
- Wide Operating Temperature Range: Suitable for operation across different environmental conditions.
Cons:
- Heat Dissipation: May require a heat sink for high power dissipation.
- Noisy Output: In some applications, additional filtering may be necessary to minimize noise.
- Supply Voltage Limit: The input voltage must be within a specified range for proper operation.
Are There Any Equivalents/Alternatives to LM317MQDCYRG4 for Recommendation?
- The LM350 from Texas Instruments is a similar adjustable voltage regulator with a higher current capability.
- Alternatives to the LM317MQDCYRG4 include the LDO voltage regulators from STMicroelectronics and ON Semiconductor.
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