LM117HVH/883

17HVH/883 Product Description
6,940 Effective Inventory

LM117HVH/883

Effective Inventory6,940

17HVH/883 Product Description

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LM117HVH/883 DataSheet
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LM117HVH/883 Details

The LM117HVH/883 is a high-voltage adjustable voltage regulator from Texas Instruments, designed for reliable and precise voltage regulation in high-voltage applications. This regulator can output voltages up to 57V with a maximum input voltage of 60V, making it suitable for various industrial and automotive use cases. It offers low dropout voltage and high accuracy, ensuring stable output voltages even in challenging operating conditions.

Pinout

  • 1 (ADJ): Adjustable Output
  • 2 (VOUT): Regulated Output
  • 3 (VIN): Input Voltage
  • 4 (GND): Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • High Voltage Output: Capable of providing regulated output voltages up to 57V.
  • Low Dropout Voltage: Maintains stable operation with low dropout voltage, suitable for high voltage differentials.
  • Adjustable Output: Allows for adjustable output voltages to meet specific application requirements.
  • High Accuracy: Provides precise voltage regulation for reliable performance.
  • Thermal Shutdown Protection: Features thermal shutdown protection to prevent overheating.

Application

  • Industrial Power Supplies: Ideal for industrial power supply units requiring high-voltage regulation.
  • Automotive Electronics: Used in automotive electronics for voltage stabilization in high-voltage systems.
  • Telecommunication Systems: Suitable for telecommunication systems requiring precise voltage control.

Where to Use

The LM117HVH/883 is best suited for applications that demand stable and accurate high-voltage regulation. It is commonly employed in industrial power supplies, automotive electronics, and telecommunication systems where reliable voltage control is essential for optimum device performance.

How to Use

Connect the LM117HVH/883 to your circuit by connecting the VIN pin to the input voltage source. Adjust the output voltage using the ADJ pin as per your requirements. Ensure proper grounding by connecting the GND pin. Monitor the output voltage at the VOUT pin. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LM117HVH/883 demonstrates how to integrate the voltage regulator into your system. It includes connections for input voltage, output voltage adjustment, and grounding, ensuring stable and accurate voltage regulation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • LM317HV: A similar high-voltage adjustable voltage regulator with comparable features and performance.
  • LT1086: An alternative high-voltage regulator offering similar functionality and precision.

Complementary

The LM117HVH/883 can be paired with the LM337HVH/883, a high-voltage negative voltage regulator, to provide both positive and negative voltage regulation in dual-supply applications.

When selecting complementary regulators, ensure compatibility and alignment with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum output voltage of the LM117HVH/883?

A: The LM117HVH/883 can provide regulated output voltages up to 57V. Refer to the datasheet for detailed operational limits and specifications.

Q: Is the LM117HVH/883 suitable for high-temperature environments?

A: Yes, the LM117HVH/883 is designed to operate reliably over a wide temperature range, but it is essential to adhere to specified thermal guidelines for optimal performance.

LM117HVH/883

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product type Power Management Die or wafer type Tested Die
Rating Military Operating temperature range (°C) -55 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM117HVH/883 PDF Download

FAQs

What is LM117HVH/883?

The LM117HVH/883 is a high-voltage adjustable positive voltage regulator designed by Texas Instruments. It is a robust and reliable device suitable for applications requiring a regulated high-voltage power supply, such as industrial equipment, automotive electronics, and aerospace systems.

How Does LM117HVH/883 Work?

The LM117HVH/883 works by taking an unregulated input voltage and providing a stable, adjustable output voltage. It regulates the output voltage using an internal reference and a series pass element, ensuring that the output remains constant even with variations in input or load conditions. The device can handle input voltages significantly higher than traditional regulators, making it suitable for high-voltage applications.

How Many Pins does LM117HVH/883 have and What are the Functions of the Pinout Configuration?

The LM117HVH/883 is available in an 8-pin TO-257 package. The pinout configuration includes:

  • Input: The unregulated input voltage is applied to this pin.
  • Output: The regulated output voltage is obtained from this pin.
  • Adjust: This pin allows for external adjustment of the output voltage.
  • ADJ/GND: This pin is used for connection to the external adjustment resistor and also serves as the device ground.
  • ADJ/GND: This pin is used for connection to the external adjustment resistor and also serves as the device ground.

What are the Pros and Cons of LM117HVH/883?

Pros:

  • High Voltage Capability: Can handle input voltages up to 60V, making it suitable for high-voltage applications.
  • Adjustable Output: Provides flexibility in setting the output voltage to meet specific application requirements.
  • Robust and Reliable: Designed for harsh environments and extended temperature ranges, suitable for demanding applications.
  • Thermal Shutdown and Current Limiting: Includes built-in protection features for safe operation.

Cons:

  • Package Size: The TO-257 package is relatively large and may require more board space compared to smaller packages.
  • External Components: May require additional components such as capacitors for stability and protection diodes for more rugged applications.

Are There Any Equivalents/Alternatives to LM117HVH/883 for Recommendation?

  • The LM317HV from Texas Instruments is a similar high-voltage adjustable regulator with a slightly lower maximum input voltage.
  • Alternatives to the LM117HVH/883 include the LT3080 from Analog Devices and the NCV78763 from ON Semiconductor.

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