Intersil
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
ISL8502AIRZ-T
Zobrazit detail DataSheets

ISL8502AIRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: QFN (Quad Flat No-leads)

Essence: The ISL8502AIRZ-T is a voltage regulator IC designed to provide stable and regulated power supply in various electronic devices.

Packaging/Quantity: The ISL8502AIRZ-T is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 6V
  • Output Current: Up to 2A
  • Dropout Voltage: 200mV at 1A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL8502AIRZ-T has a total of 20 pins. The pin configuration is as follows:

  1. VIN: Input voltage
  2. GND: Ground
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage
  6. COMP: Compensation pin
  7. SS: Soft-start pin
  8. PG: Power good indicator
  9. BST: Bootstrap capacitor connection
  10. SW: Switching node

Functional Features

  • High efficiency conversion
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start for controlled startup
  • Power good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High efficiency helps conserve energy - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Overcurrent and thermal protection ensure device safety - Soft-start feature prevents voltage spikes during startup - Power good indicator aids in system monitoring

Disadvantages: - Limited output current (up to 2A) - Dropout voltage may affect performance in low voltage applications

Working Principles

The ISL8502AIRZ-T operates as a step-down voltage regulator. It takes an input voltage within the specified range and converts it to a lower, regulated output voltage. The internal circuitry of the IC ensures efficient power conversion while providing protection against overcurrent and thermal issues.

Detailed Application Field Plans

The ISL8502AIRZ-T is widely used in various electronic devices that require stable and regulated power supply. Some common application fields include:

  1. Consumer Electronics: Smartphones, tablets, portable media players
  2. Industrial Equipment: Test and measurement instruments, automation systems
  3. Automotive Electronics: Infotainment systems, navigation devices
  4. Communication Systems: Routers, switches, network equipment
  5. Medical Devices: Patient monitoring systems, diagnostic equipment

Detailed and Complete Alternative Models

  1. LM317T: Adjustable Voltage Regulator, TO-220 package
  2. LT1084CP-5: Fixed Voltage Regulator (5V), TO-3 package
  3. TPS5430DDAR: Synchronous Buck Converter, PowerPAD package
  4. LM2596S-ADJ: Adjustable Buck Converter, TO-263 package
  5. MAX5033DASA+: Step-Down Switching Regulator, SOIC package

These alternative models offer similar functionality and can be considered as substitutes for the ISL8502AIRZ-T in different applications.

Word count: 409

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL8502AIRZ-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL8502AIRZ-T in technical solutions:

  1. Q: What is the ISL8502AIRZ-T? A: The ISL8502AIRZ-T is a highly integrated synchronous buck regulator that provides high efficiency power conversion for various applications.

  2. Q: What is the input voltage range of the ISL8502AIRZ-T? A: The ISL8502AIRZ-T has an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range of the ISL8502AIRZ-T? A: The ISL8502AIRZ-T can provide an adjustable output voltage range from 0.6V to 12V.

  4. Q: What is the maximum output current of the ISL8502AIRZ-T? A: The ISL8502AIRZ-T can deliver a maximum output current of 2A.

  5. Q: Does the ISL8502AIRZ-T have built-in protection features? A: Yes, the ISL8502AIRZ-T includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  6. Q: Can the ISL8502AIRZ-T operate in a wide temperature range? A: Yes, the ISL8502AIRZ-T is designed to operate in a temperature range of -40°C to +85°C.

  7. Q: Is the ISL8502AIRZ-T suitable for battery-powered applications? A: Yes, the ISL8502AIRZ-T is well-suited for battery-powered applications due to its low quiescent current and high efficiency.

  8. Q: Can the ISL8502AIRZ-T be used in automotive applications? A: Yes, the ISL8502AIRZ-T is qualified for automotive applications and meets the AEC-Q100 standard.

  9. Q: Does the ISL8502AIRZ-T require external compensation components? A: No, the ISL8502AIRZ-T has an internal compensation network, eliminating the need for external components.

  10. Q: What package does the ISL8502AIRZ-T come in? A: The ISL8502AIRZ-T is available in a compact 16-lead QFN package.