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LTC4217CDHC#TRPBF
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LTC4217CDHC#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Overvoltage and Overcurrent Protection

Package: 16-Lead Plastic DFN (3mm x 3mm)

Essence: The LTC4217CDHC#TRPBF is a power management IC designed to provide protection and control for high-power systems.

Packaging/Quantity: The LTC4217CDHC#TRPBF is available in a 16-Lead Plastic DFN package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.9V to 36V
  • Output Voltage Range: 0.8V to 34V
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 125°C
  • Overvoltage Threshold: Adjustable from 1.5V to 36V
  • Overcurrent Threshold: Adjustable from 10mV to 100mV

Pin Configuration

The LTC4217CDHC#TRPBF has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. FB: Feedback Pin
  5. EN: Enable Pin
  6. OV: Overvoltage Protection Pin
  7. OC: Overcurrent Protection Pin
  8. PG: Power Good Indicator

Functional Features

  1. Overvoltage Protection: The LTC4217CDHC#TRPBF monitors the input voltage and shuts down the output if it exceeds the programmed threshold, protecting downstream components from damage.
  2. Overcurrent Protection: It also provides overcurrent protection by monitoring the voltage drop across a sense resistor and limiting the output current to prevent excessive power dissipation.
  3. Power Good Indicator: The PG pin provides a signal indicating that the output voltage is within the desired range, allowing for system-level monitoring and fault detection.
  4. Enable Pin: The EN pin allows for easy control of the device's operation, enabling or disabling the output as required.

Advantages and Disadvantages

Advantages: - High efficiency design minimizes power losses - Wide input voltage range allows for versatile applications - Overvoltage and overcurrent protection enhance system reliability - Power good indicator enables easy system monitoring

Disadvantages: - Limited output voltage range may not be suitable for all applications - Requires external sense resistor for overcurrent protection

Working Principles

The LTC4217CDHC#TRPBF operates by continuously monitoring the input voltage and output current. It compares these values to the programmed thresholds and takes appropriate action to protect the system. If the input voltage exceeds the overvoltage threshold, the output is shut down. Similarly, if the voltage drop across the sense resistor exceeds the overcurrent threshold, the output current is limited.

Application Field Plans

The LTC4217CDHC#TRPBF is well-suited for various applications where power management and protection are critical. Some potential application fields include:

  1. Industrial Equipment: Provides reliable power management and protection for industrial machinery and equipment.
  2. Telecommunications: Ensures stable power supply and safeguards sensitive telecom components from voltage spikes and overcurrent conditions.
  3. Automotive Electronics: Protects automotive electronic systems from voltage surges and overcurrent events, enhancing overall system reliability.
  4. Data Centers: Enables efficient power distribution and protection in data center infrastructure, ensuring uninterrupted operation.

Alternative Models

  1. LTC4217IDHC#TRPBF: Similar to LTC4217CDHC#TRPBF, but in a 16-Lead Plastic DFN package.
  2. LTC4217EDHC#TRPBF: Similar to LTC4217CDHC#TRPBF, but in a 16-Lead Plastic DFN package with extended temperature range.

These alternative models offer similar functionality and characteristics, providing flexibility for different application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4217CDHC#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4217CDHC#TRPBF in technical solutions:

  1. Q: What is LTC4217CDHC#TRPBF? A: LTC4217CDHC#TRPBF is a power management IC (integrated circuit) designed for hot-swappable applications.

  2. Q: What are the main features of LTC4217CDHC#TRPBF? A: The main features include overcurrent protection, undervoltage lockout, thermal shutdown, and adjustable current limit.

  3. Q: How does LTC4217CDHC#TRPBF provide overcurrent protection? A: LTC4217CDHC#TRPBF monitors the voltage drop across an external sense resistor to detect overcurrent conditions and protect the system.

  4. Q: Can LTC4217CDHC#TRPBF be used for hot-swapping batteries? A: Yes, LTC4217CDHC#TRPBF can be used for hot-swapping batteries or any other power source in a system.

  5. Q: What is undervoltage lockout (UVLO) in LTC4217CDHC#TRPBF? A: UVLO ensures that the input voltage is above a certain threshold before enabling the power path.

  6. Q: How does thermal shutdown work in LTC4217CDHC#TRPBF? A: Thermal shutdown protects the IC from overheating by shutting down the power path when the temperature exceeds a specified limit.

  7. Q: Can I adjust the current limit in LTC4217CDHC#TRPBF? A: Yes, LTC4217CDHC#TRPBF allows you to set the current limit through an external resistor.

  8. Q: What is the maximum voltage and current rating for LTC4217CDHC#TRPBF? A: The maximum voltage rating is typically 16V, and the maximum current rating is typically 3A.

  9. Q: Is LTC4217CDHC#TRPBF suitable for automotive applications? A: Yes, LTC4217CDHC#TRPBF is designed to meet the requirements of automotive applications.

  10. Q: Can I use LTC4217CDHC#TRPBF in my low-power IoT device? A: Yes, LTC4217CDHC#TRPBF can be used in low-power IoT devices as it provides efficient power management and protection.

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.