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Product Details
LM317MDT-TR In Stock STMicroelectronics Adjustable Voltage Regulator Authorized ST Electronic Components Distributors
LM317MDT-TR STMicroelectronics Distributors
GENERAL DESCRIPTIONS
FEATURES
PRODUCT ATTRIBUTES
GENERAL DESCRIPTIONS
The LM317MDT-TR is a positive adjustable voltage regulator designed and manufactured by STMicroelectronics. It is a monolithic integrated circuit available in a DPAK package, suitable for surface-mount technology (SMT). Here is a detailed introduction to its features and specifications:
Features
- Adjustable Output Voltage: The output voltage can be adjusted from 1.2V to 37V using an external resistor divider.
- High Output Current: Capable of providing up to 500mA of load current.
- Wide Input Voltage Range: Operates from 4.2V to 40V.
- Low Dropout Voltage: Ensures efficient operation even at low input-to-output voltage differences.
- High Stability: Features 0.1% load regulation and 0.01% line regulation (typical values).
- Protection Features: Includes thermal overload protection and short-circuit protection to ensure safe operation.
- Floating Operation: Suitable for high-voltage applications.
- Output Transition Safe Area Compensation: Enhances the stability of the output voltage during transitions.
Specifications
- Output Voltage Range: 1.2V to 37V
- Output Current: Up to 500mA
- Input Voltage Range: 4.2V to 40V
- Power Supply Rejection Ratio (PSRR): 80dB at 120Hz
- Quiescent Current: 10mA
- Operating Temperature: 0°C to +125°C
- Package Type: DPAK (TO-252)
- Dimensions: 6.6 x 6.2 x 2.4mm
- Pin Count: 3 (including a tab for heat dissipation)
Applications
The LM317MDT-TR is widely used in various applications, including:
- Power Management: Ideal for power supply circuits in electronic devices and instruments.
- Battery Chargers: Ensures a constant voltage during charging, extending battery life.
- Audio Amplifiers: Provides a stable power supply for audio circuits, reducing noise and improving sound quality.
- Industrial Control Systems: Suitable for applications requiring high stability and reliability.
- Automotive and Marine Electronics: Applicable in environments with high voltage variations and temperature extremes.
Installation Notes
- Heat Dissipation: It is recommended to mount the LM317MDT-TR on a heatsink to ensure proper heat dissipation, especially under high load conditions.
- Thermal Compound: Applying thermal compound between the chip and the heatsink can improve heat transfer and enhance performance.
- Short Circuit Protection: Ensure that the circuit is protected against short circuits to prevent damage to the regulator.
The LM317MDT-TR is a versatile and reliable choice for a wide range of applications where adjustable voltage regulation and high current output are required.
FEATURES
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