Microsemi Corporation
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LE79272PQC
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LE79272PQC

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: Quad Flat No-Lead (QFN)
  • Essence: Power Control and Regulation
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Quiescent Current: 50µA

Detailed Pin Configuration

The LE79272PQC has a total of 16 pins arranged as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. VOUT: Output Voltage
  6. PGND: Power Ground
  7. SW: Switching Node
  8. COMP: Compensation Pin
  9. SS: Soft-Start Pin
  10. BST: Bootstrap Pin
  11. AGND: Analog Ground
  12. NC: No Connection
  13. NC: No Connection
  14. NC: No Connection
  15. NC: No Connection
  16. VCC: Supply Voltage

Functional Features

  • Integrated synchronous buck converter
  • Adjustable output voltage through feedback pin
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup
  • Low quiescent current in standby mode

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Compact QFN package enables space-saving designs - Overcurrent and thermal protection enhance reliability - Soft-start function prevents inrush current

Disadvantages: - Limited maximum output current of 1.5A - Operating temperature range may not be suitable for extreme environments

Working Principles

The LE79272PQC is a power management IC that utilizes a synchronous buck converter to regulate the output voltage. It operates by converting the input voltage to a lower, regulated voltage using high-frequency switching. The feedback pin allows for adjustable output voltage, while the soft-start function ensures a controlled startup process. Overcurrent and thermal shutdown protection mechanisms safeguard the IC and connected components.

Detailed Application Field Plans

The LE79272PQC finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT devices - Wearable technology - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

  1. LE79273PQC: Similar specifications with enhanced output current capability of 2A.
  2. LE79271PQC: Lower output current capability of 1A, suitable for low-power applications.
  3. LE79274PQC: Higher efficiency variant with up to 98% efficiency rating.

These alternative models provide options based on specific requirements and desired performance characteristics.

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技術ソリューションにおける LE79272PQC の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LE79272PQC in technical solutions:

  1. Q: What is LE79272PQC? A: LE79272PQC is a specific model or component of a technical solution, typically used in electronic devices.

  2. Q: What are the key features of LE79272PQC? A: The key features of LE79272PQC may include high processing power, low power consumption, advanced connectivity options, and compatibility with various operating systems.

  3. Q: In which technical solutions can LE79272PQC be used? A: LE79272PQC can be used in a wide range of technical solutions such as smartphones, tablets, IoT devices, automotive systems, and industrial automation.

  4. Q: How does LE79272PQC enhance the performance of technical solutions? A: LE79272PQC enhances performance by providing faster processing speeds, improved graphics capabilities, efficient power management, and seamless connectivity options.

  5. Q: Is LE79272PQC compatible with different software platforms? A: Yes, LE79272PQC is designed to be compatible with various software platforms, including Android, iOS, Windows, and Linux.

  6. Q: Can LE79272PQC support multiple connectivity options? A: Yes, LE79272PQC typically supports multiple connectivity options such as Wi-Fi, Bluetooth, GPS, NFC, and cellular networks.

  7. Q: What are the power requirements for using LE79272PQC? A: The power requirements for LE79272PQC may vary depending on the specific implementation, but it generally operates on low power and requires a stable power supply.

  8. Q: Are there any development tools available for LE79272PQC? A: Yes, there are development tools and software development kits (SDKs) available for LE79272PQC to facilitate application development and integration.

  9. Q: Can LE79272PQC be used in battery-powered devices? A: Yes, LE79272PQC is often used in battery-powered devices due to its low power consumption, which helps extend the battery life.

  10. Q: Is technical support available for LE79272PQC? A: Yes, technical support is typically available from the manufacturer or distributor of LE79272PQC to assist with any issues or questions related to its application in technical solutions.

Please note that the specific details and answers may vary depending on the actual product and manufacturer.