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LTC1147HVCS8-3.3#PBF

LTC1147HVCS8-3.3#PBF

Product Overview

Category

The LTC1147HVCS8-3.3#PBF belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High voltage capability
  • Low dropout voltage
  • Adjustable output voltage
  • Current limiting and thermal shutdown protection

Package

The LTC1147HVCS8-3.3#PBF comes in an 8-pin SOIC package.

Essence

The essence of this product lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

The LTC1147HVCS8-3.3#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4V to 18V
  • Output Voltage Range: 1.25V to 16V
  • Output Current: Up to 500mA
  • Dropout Voltage: 300mV at 500mA
  • Quiescent Current: 120µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for adjusting output voltage
  4. VOUT: Regulated output voltage pin
  5. NC: No connection
  6. NC: No connection
  7. NC: No connection
  8. EN: Enable pin for turning the regulator on/off

Functional Features

  • High Voltage Capability: The LTC1147HVCS8-3.3#PBF can handle input voltages ranging from 4V to 18V, making it suitable for various applications.
  • Low Dropout Voltage: With a dropout voltage as low as 300mV at 500mA, this regulator minimizes power loss and improves efficiency.
  • Adjustable Output Voltage: The output voltage can be adjusted from 1.25V to 16V, providing flexibility for different circuit requirements.
  • Current Limiting and Thermal Shutdown Protection: The LTC1147HVCS8-3.3#PBF incorporates current limiting and thermal shutdown features to protect the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications.
  • Low dropout voltage reduces power dissipation.
  • Adjustable output voltage provides flexibility.
  • Current limiting and thermal shutdown protection enhance reliability.

Disadvantages

  • Limited output current capacity (up to 500mA).
  • Requires external components for proper operation.

Working Principles

The LTC1147HVCS8-3.3#PBF is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly. This feedback loop ensures that the output voltage remains constant, even with varying input voltages and load conditions.

Detailed Application Field Plans

The LTC1147HVCS8-3.3#PBF finds applications in various fields, including:

  1. Industrial Electronics: Power supply regulation for industrial control systems and instrumentation.
  2. Automotive Electronics: Voltage regulation for automotive sensors, actuators, and control modules.
  3. Telecommunications: Power management for communication devices, such as routers and switches.
  4. Consumer Electronics: Voltage regulation for portable devices, audio/video equipment, and home appliances.
  5. Medical Devices: Power supply regulation for medical instruments and equipment.

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable linear voltage regulator with similar characteristics.
  2. LT1084: High-current linear voltage regulator with adjustable output voltage.
  3. LM7805: Fixed 5V linear voltage regulator commonly used in electronic circuits.
  4. LT1763: Low dropout linear voltage regulator with adjustable output voltage and low quiescent current.

These alternative models offer similar functionality and can be considered as substitutes for the LTC1147HVCS8-3.3#PBF, depending on specific requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC1147HVCS8-3.3#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC1147HVCS8-3.3#PBF in technical solutions:

  1. Q: What is the LTC1147HVCS8-3.3#PBF? A: The LTC1147HVCS8-3.3#PBF is a high voltage, low quiescent current step-down DC/DC converter.

  2. Q: What is the input voltage range of LTC1147HVCS8-3.3#PBF? A: The input voltage range of LTC1147HVCS8-3.3#PBF is 4V to 18V.

  3. Q: What is the output voltage of LTC1147HVCS8-3.3#PBF? A: The output voltage of LTC1147HVCS8-3.3#PBF is fixed at 3.3V.

  4. Q: What is the maximum output current of LTC1147HVCS8-3.3#PBF? A: The maximum output current of LTC1147HVCS8-3.3#PBF is 400mA.

  5. Q: Can LTC1147HVCS8-3.3#PBF be used in battery-powered applications? A: Yes, LTC1147HVCS8-3.3#PBF can be used in battery-powered applications due to its low quiescent current.

  6. Q: Is LTC1147HVCS8-3.3#PBF suitable for automotive applications? A: Yes, LTC1147HVCS8-3.3#PBF is suitable for automotive applications as it can handle high input voltages and has a wide operating temperature range.

  7. Q: Does LTC1147HVCS8-3.3#PBF have built-in protection features? A: Yes, LTC1147HVCS8-3.3#PBF has built-in features like overcurrent protection and thermal shutdown.

  8. Q: Can I use LTC1147HVCS8-3.3#PBF in industrial control systems? A: Yes, LTC1147HVCS8-3.3#PBF can be used in industrial control systems due to its high voltage capability and robustness.

  9. Q: What is the typical efficiency of LTC1147HVCS8-3.3#PBF? A: The typical efficiency of LTC1147HVCS8-3.3#PBF is around 85% to 90%.

  10. Q: Are there any application notes or reference designs available for LTC1147HVCS8-3.3#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs for LTC1147HVCS8-3.3#PBF on their website.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information and guidance.