Intersil
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ISL6277AIRZ-T
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ISL6277AIRZ-T

Product Overview

Category

ISL6277AIRZ-T belongs to the category of voltage regulators.

Use

It is primarily used for power management in electronic devices.

Characteristics

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

Package

ISL6277AIRZ-T comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL6277AIRZ-T lies in its ability to regulate and stabilize voltage levels in electronic devices, ensuring proper functioning and preventing damage due to voltage fluctuations.

Packaging/Quantity

ISL6277AIRZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.85V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Maximum Output Current: 20A
  • Dropout Voltage: 200mV at 10A
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. PGND: Power ground pin
  3. BOOT: Bootstrap capacitor connection pin
  4. VDRV: Gate driver supply voltage pin
  5. LGATE: Low-side MOSFET gate drive pin
  6. PHASE: Phase node connection pin
  7. COMP: Compensation pin
  8. FB: Feedback voltage pin
  9. SS: Soft-start pin
  10. EN: Enable pin
  11. VCC: Supply voltage pin
  12. PG: Power good indicator pin
  13. AGND: Analog ground pin
  14. PGND: Power ground pin
  15. PGND: Power ground pin
  16. PGND: Power ground pin

Functional Features

  • High-efficiency synchronous buck regulator
  • Adjustable output voltage through external resistors
  • Overcurrent protection with hiccup mode
  • Thermal shutdown protection to prevent overheating
  • Soft-start function for controlled startup
  • Power good indicator for system monitoring

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows compatibility with various power sources
  • Overcurrent and thermal protection ensure device safety
  • Adjustable output voltage provides flexibility in different applications

Disadvantages

  • Limited maximum output current may not be suitable for high-power devices
  • Dropout voltage may cause slight voltage drop under heavy loads

Working Principles

ISL6277AIRZ-T 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 switching of MOSFETs, ensuring efficient power conversion. The feedback mechanism adjusts the duty cycle of the PWM signal based on the output voltage, maintaining a stable output.

Detailed Application Field Plans

ISL6277AIRZ-T finds application in various electronic devices that require precise voltage regulation, such as: - Mobile phones - Tablets - Laptops - Portable gaming consoles - Digital cameras - IoT devices

Detailed and Complete Alternative Models

  1. ISL6277AIRZ
  2. ISL6277AIRZ-T7A
  3. ISL6277AIRZ-T13A
  4. ISL6277AIRZ-T14A
  5. ISL6277AIRZ-T15A

These alternative models offer similar functionality and characteristics to ISL6277AIRZ-T, providing options for different design requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ISL6277AIRZ-T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of ISL6277AIRZ-T in technical solutions:

  1. Q: What is ISL6277AIRZ-T? A: ISL6277AIRZ-T is a high-performance, dual-output controller IC designed for power supply applications in computing systems.

  2. Q: What are the key features of ISL6277AIRZ-T? A: Some key features include dual-phase operation, integrated MOSFET drivers, adjustable switching frequency, and overcurrent protection.

  3. Q: What is the input voltage range supported by ISL6277AIRZ-T? A: The input voltage range is typically between 4.5V and 24V.

  4. Q: What is the output voltage range supported by ISL6277AIRZ-T? A: The output voltage range can be adjusted from 0.6V to 5.5V.

  5. Q: Can ISL6277AIRZ-T support multiple output configurations? A: Yes, ISL6277AIRZ-T supports two independent outputs that can be configured as either parallel or sequential.

  6. Q: How does ISL6277AIRZ-T handle load transient response? A: ISL6277AIRZ-T has a fast transient response capability due to its adaptive voltage positioning (AVP) technology.

  7. Q: Does ISL6277AIRZ-T have any built-in protection features? A: Yes, it includes features like overvoltage protection (OVP), undervoltage protection (UVP), and thermal shutdown protection.

  8. Q: Can ISL6277AIRZ-T be used in battery-powered applications? A: Yes, ISL6277AIRZ-T can be used in battery-powered applications as it supports a wide input voltage range.

  9. Q: What is the maximum output current supported by ISL6277AIRZ-T? A: The maximum output current can vary depending on the specific application and thermal conditions, but it typically supports several amps.

  10. Q: Are there any evaluation boards or reference designs available for ISL6277AIRZ-T? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs to help users get started with ISL6277AIRZ-T in their applications.

Please note that these answers are general and may vary based on specific implementation requirements. It's always recommended to refer to the datasheet and application notes for detailed information.