Intersil
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
ISL8112IRZ
Zobrazit detail DataSheets

ISL8112IRZ

Product Overview

Category

ISL8112IRZ belongs to the category of integrated circuits (ICs).

Use

The ISL8112IRZ is commonly used as a voltage regulator in various electronic devices.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

ISL8112IRZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL8112IRZ lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

ISL8112IRZ is typically packaged in reels, with each reel containing a specific quantity of ICs.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 2A
  • Dropout Voltage: 200mV at 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL8112IRZ 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 to control the device's operation
  5. PG: Power good indicator pin
  6. SW: Switching node pin
  7. VOUT: Output voltage pin

Functional Features

  • Voltage regulation: The ISL8112IRZ ensures stable output voltage within the specified range.
  • Overcurrent protection: It safeguards the circuit by limiting the current during excessive load conditions.
  • Thermal shutdown protection: The IC automatically shuts down when the temperature exceeds a certain threshold, preventing damage due to overheating.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range allows compatibility with various power sources.
  • Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Dropout voltage of 200mV at 1A may affect performance in low-voltage scenarios.

Working Principles

The ISL8112IRZ operates as a step-down (buck) voltage regulator. It takes the higher input voltage and efficiently converts it to a lower, regulated output voltage using pulse-width modulation (PWM) techniques. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain the desired voltage level.

Detailed Application Field Plans

The ISL8112IRZ finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL8112IRZ are: - LM2596 - LT1763 - TPS54331 - ADP2303

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

Word count: 314 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL8112IRZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL8112IRZ in technical solutions:

  1. Q: What is ISL8112IRZ? A: ISL8112IRZ is a highly integrated dual synchronous buck controller designed for high-performance power supply applications.

  2. Q: What is the input voltage range supported by ISL8112IRZ? A: The input voltage range supported by ISL8112IRZ is typically between 4.5V and 26V.

  3. Q: What is the output voltage range that can be achieved using ISL8112IRZ? A: The output voltage range that can be achieved using ISL8112IRZ is typically between 0.6V and 5.5V.

  4. Q: Can ISL8112IRZ support multiple outputs? A: Yes, ISL8112IRZ can support multiple outputs by configuring it in a multi-phase operation.

  5. Q: What is the maximum switching frequency of ISL8112IRZ? A: The maximum switching frequency of ISL8112IRZ is typically 1MHz.

  6. Q: Does ISL8112IRZ have built-in protection features? A: Yes, ISL8112IRZ has various built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: Can ISL8112IRZ operate in a wide temperature range? A: Yes, ISL8112IRZ is designed to operate in a wide temperature range, typically from -40°C to +125°C.

  8. Q: What type of control loop does ISL8112IRZ use? A: ISL8112IRZ uses a voltage mode control loop for regulating the output voltage.

  9. Q: Is ISL8112IRZ suitable for automotive applications? A: Yes, ISL8112IRZ is suitable for automotive applications as it meets the necessary automotive standards and has a wide input voltage range.

  10. Q: What are some typical applications of ISL8112IRZ? A: Some typical applications of ISL8112IRZ include point-of-load power supplies, industrial equipment, telecommunications, and automotive systems.

Please note that the answers provided here are general and may vary depending on specific design requirements and datasheet specifications.