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ISL61861AIBZ-T
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ISL61861AIBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOT-23-5

Essence: The ISL61861AIBZ-T is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The ISL61861AIBZ-T is available in a standard SOT-23-5 package. It is typically sold in reels of 3000 units.

Specifications

  • Input Voltage Range: 2.7V to 6V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 200mV at 100mA load current
  • Maximum Output Current: 150mA
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL61861AIBZ-T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for adjusting the output voltage
  4. EN: Enable pin for turning the regulator on/off
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The ISL61861AIBZ-T offers high efficiency, minimizing power loss and maximizing battery life.
  • Low Dropout Voltage: With a low dropout voltage, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
  • Adjustable Output Voltage: The feedback pin allows users to adjust the output voltage according to their specific requirements.
  • Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current.
  • Thermal Shutdown Protection: In case of excessive heat, the thermal shutdown feature protects the IC from damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life - Adjustable output voltage for flexibility - Overcurrent and thermal protection ensure safety - Small package size allows for space-saving designs

Disadvantages: - Limited maximum output current (150mA) - Input voltage range is relatively narrow (2.7V to 6V)

Working Principles

The ISL61861AIBZ-T operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The feedback pin (FB) is used to adjust the output voltage by connecting external resistors. The enable pin (EN) controls the on/off state of the regulator.

Detailed Application Field Plans

The ISL61861AIBZ-T is commonly used in various electronic devices that require a stable voltage supply. Some application fields include:

  1. Mobile Devices: Smartphones, tablets, portable media players
  2. Wearable Electronics: Smartwatches, fitness trackers
  3. IoT Devices: Sensors, wireless modules
  4. Consumer Electronics: Digital cameras, portable gaming consoles
  5. Industrial Equipment: Measurement instruments, control systems

Detailed and Complete Alternative Models

  1. LM1117-ADJ: Adjustable Voltage Regulator, SOT-223 package
  2. MCP1700-3302E/TO: Fixed Voltage Regulator, TO-92 package
  3. TPS79633DCQR: Fixed Voltage Regulator, SOT-223 package
  4. LT1763CS8-3.3: Adjustable Voltage Regulator, SO-8 package
  5. MAX603CPA: Adjustable Voltage Regulator, DIP-8 package

These alternative models offer similar functionality and can be used as substitutes for the ISL61861AIBZ-T in various applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של ISL61861AIBZ-T בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of ISL61861AIBZ-T in technical solutions:

  1. Q: What is ISL61861AIBZ-T? A: ISL61861AIBZ-T is a high-performance, low-noise, adjustable current-limited power switch designed for various applications.

  2. Q: What is the maximum input voltage supported by ISL61861AIBZ-T? A: The maximum input voltage supported by ISL61861AIBZ-T is typically 5.5V.

  3. Q: Can ISL61861AIBZ-T handle high currents? A: Yes, ISL61861AIBZ-T can handle high currents up to 2.5A.

  4. Q: How does ISL61861AIBZ-T protect against overcurrent conditions? A: ISL61861AIBZ-T has built-in overcurrent protection that limits the output current to a safe level when an overcurrent condition is detected.

  5. Q: Can ISL61861AIBZ-T be used in battery-powered applications? A: Yes, ISL61861AIBZ-T is suitable for battery-powered applications as it has a low quiescent current and supports low-voltage operation.

  6. Q: Does ISL61861AIBZ-T have thermal shutdown protection? A: Yes, ISL61861AIBZ-T incorporates thermal shutdown protection to prevent overheating and damage to the device.

  7. Q: Can ISL61861AIBZ-T be used in automotive applications? A: Yes, ISL61861AIBZ-T is automotive-grade and can be used in automotive applications that require high reliability and performance.

  8. Q: What is the typical operating frequency of ISL61861AIBZ-T? A: The typical operating frequency of ISL61861AIBZ-T is in the range of 100kHz to 1MHz.

  9. Q: Does ISL61861AIBZ-T have a soft-start feature? A: Yes, ISL61861AIBZ-T has a soft-start feature that limits the inrush current during startup, reducing stress on the power supply.

  10. Q: What are some typical applications for ISL61861AIBZ-T? A: ISL61861AIBZ-T can be used in a wide range of applications, including USB ports, portable devices, industrial equipment, and automotive systems.

Please note that these answers are general and may vary depending on the specific requirements and conditions of your technical solution.