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ISL85402IRZ
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ISL85402IRZ

Product Overview

Category

ISL85402IRZ belongs to the category of voltage regulators.

Use

It is commonly used for power management applications.

Characteristics

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

Package

ISL85402IRZ comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL85402IRZ lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

ISL85402IRZ is typically packaged in reels, with each reel containing a specific quantity of units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to VIN
  • Maximum Output Current: 1.5A
  • Quiescent Current: 17µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL85402IRZ has 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 regulator on/off
  5. SW: Switching node pin for connecting the inductor
  6. PGND: Power ground pin
  7. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck regulator
  • Adjustable output voltage through feedback pin
  • Overcurrent protection prevents damage to the regulator and load
  • Thermal shutdown protection safeguards against overheating
  • Low quiescent current minimizes power consumption during standby mode

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility in different scenarios
  • Overcurrent and thermal shutdown protection enhance reliability

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Requires external components for proper operation

Working Principles

ISL85402IRZ operates as a synchronous buck regulator, converting the input voltage to a lower, regulated output voltage. It utilizes pulse-width modulation (PWM) techniques to control the duty cycle of the internal power switches, achieving efficient voltage conversion.

Detailed Application Field Plans

ISL85402IRZ finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Industrial automation - Automotive systems - IoT devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL85402IRZ are: - LM2596 - LT1763 - TPS54331 - ADP2302 - MAX15062

These models offer similar functionality and can be used as substitutes depending on specific requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ISL85402IRZ i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of ISL85402IRZ in technical solutions:

  1. Q: What is ISL85402IRZ? A: ISL85402IRZ is a high-performance, low quiescent current, synchronous buck regulator IC.

  2. Q: What is the input voltage range of ISL85402IRZ? A: The input voltage range of ISL85402IRZ is typically between 3.8V and 36V.

  3. Q: What is the output voltage range of ISL85402IRZ? A: The output voltage range of ISL85402IRZ can be adjusted from 0.6V to 90% of the input voltage.

  4. Q: What is the maximum output current of ISL85402IRZ? A: The maximum output current of ISL85402IRZ is 1.5A.

  5. Q: Does ISL85402IRZ have built-in protection features? A: Yes, ISL85402IRZ has built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  6. Q: Can ISL85402IRZ operate in a wide temperature range? A: Yes, ISL85402IRZ can operate in a temperature range of -40°C to +125°C.

  7. Q: What is the switching frequency of ISL85402IRZ? A: The switching frequency of ISL85402IRZ is typically set at 500kHz, but it can be adjusted using external components.

  8. Q: Is ISL85402IRZ suitable for battery-powered applications? A: Yes, ISL85402IRZ is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  9. Q: Can ISL85402IRZ be used in automotive applications? A: Yes, ISL85402IRZ is AEC-Q100 qualified, making it suitable for automotive applications.

  10. Q: What package does ISL85402IRZ come in? A: ISL85402IRZ is available in a compact 3mm x 3mm DFN package, which is ideal for space-constrained designs.

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.