Linear Technology/Analog Devices
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LTC3126HFE

LTC3126HFE

Product Overview

Category

LTC3126HFE belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • High efficiency voltage regulator
  • Wide input voltage range
  • Low quiescent current
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

LTC3126HFE is available in a compact and durable package, ensuring easy integration into various electronic devices.

Essence

The essence of LTC3126HFE lies in its ability to efficiently regulate voltage while consuming minimal power.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on customer requirements.

Specifications

  • Input Voltage Range: 2.7V - 15V
  • Output Voltage Range: 0.8V - 14V
  • Quiescent Current: 20µA
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LTC3126HFE features the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning the device on/off
  5. SW: Switching node pin for connecting the inductor
  6. PGND: Power ground pin
  7. VOUT: Output voltage pin

Functional Features

  • Efficient voltage regulation
  • Protection against overcurrent and thermal shutdown
  • Adjustable output voltage for flexibility
  • Low quiescent current for power-saving operation
  • Wide input voltage range for compatibility

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Compact size for space-constrained applications
  • Wide input voltage range allows for versatile use
  • Adjustable output voltage provides flexibility

Disadvantages

  • Limited maximum output current of 1.5A
  • Requires external components for operation

Working Principles

LTC3126HFE operates as a step-down voltage regulator, converting a higher input voltage to a lower output voltage. It utilizes a switching mechanism to efficiently regulate the voltage while minimizing power loss. The device continuously monitors the output voltage and adjusts the duty cycle of the internal switch accordingly.

Detailed Application Field Plans

LTC3126HFE finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LTC3126HFE are: - LT1763 - LM2576 - TPS5430 - ADP2302

These models can be considered based on specific requirements and design constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3126HFE v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3126HFE in technical solutions:

  1. Q: What is LTC3126HFE? A: LTC3126HFE is a high-efficiency, synchronous buck-boost DC/DC converter IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used for power management applications.

  2. Q: What is the input voltage range of LTC3126HFE? A: The input voltage range of LTC3126HFE is typically between 2.7V and 15V.

  3. Q: What is the output voltage range of LTC3126HFE? A: The output voltage range of LTC3126HFE can be adjusted from 1.8V to 15V using external resistors.

  4. Q: What is the maximum output current of LTC3126HFE? A: The maximum output current of LTC3126HFE is typically around 2A, but it can vary depending on the specific operating conditions and thermal considerations.

  5. Q: Can LTC3126HFE operate in both buck and boost modes? A: Yes, LTC3126HFE is a versatile buck-boost converter that can operate in both step-up (boost) and step-down (buck) modes, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage.

  6. Q: Does LTC3126HFE require an external compensation network? A: No, LTC3126HFE features internal compensation, eliminating the need for an external compensation network and simplifying the design process.

  7. Q: What is the efficiency of LTC3126HFE? A: The efficiency of LTC3126HFE can reach up to 95% under typical operating conditions, making it suitable for power-sensitive applications.

  8. Q: Does LTC3126HFE have built-in protection features? A: Yes, LTC3126HFE includes various protection features such as overcurrent protection (OCP), thermal shutdown, and input/output undervoltage lockout (UVLO) to ensure safe operation and protect the IC from damage.

  9. Q: Can LTC3126HFE be used in battery-powered applications? A: Yes, LTC3126HFE is well-suited for battery-powered applications due to its wide input voltage range and high efficiency, which helps maximize battery life.

  10. Q: What are some typical applications of LTC3126HFE? A: LTC3126HFE can be used in a wide range of applications, including portable devices, industrial equipment, automotive electronics, and telecommunications systems, where efficient power conversion is required.

Please note that the answers provided here are general and may vary depending on the specific requirements and operating conditions of your technical solution. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information and guidelines.