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ISL6312IRZ-T
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ISL6312IRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: 32-Lead QFN (Quad Flat No-Lead)

Essence: The ISL6312IRZ-T is a voltage regulator IC designed for high-efficiency power management applications.

Packaging/Quantity: The ISL6312IRZ-T is available in a 32-Lead QFN package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 12A
  • Dropout Voltage: 200mV at 12A
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6312IRZ-T has the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. VOUT: Output voltage
  4. COMP: Compensation pin for stability control
  5. FB: Feedback pin for output voltage regulation
  6. EN: Enable pin for turning the regulator on/off
  7. SS: Soft-start pin for controlling the startup time
  8. PGND: Power ground
  9. BOOT: Bootstrap capacitor connection
  10. LX: Switching node connection
  11. BST: Boost capacitor connection
  12. RT: External resistor for setting switching frequency
  13. OCSET: Overcurrent protection threshold setting
  14. SS/TRK: Soft-start/tracking pin
  15. PGOOD: Power good indicator output
  16. VREF: Reference voltage output

Functional Features

  • High-efficiency synchronous buck regulator
  • Adaptive on-time control architecture for fast transient response
  • Adjustable output voltage through external resistors
  • Overcurrent protection with adjustable threshold
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile applications - Overcurrent and thermal shutdown protection enhance system reliability - Fast transient response ensures stable output voltage during load changes

Disadvantages: - Requires external components for operation - Limited maximum output current of 12A

Working Principles

The ISL6312IRZ-T is a synchronous buck regulator that converts a higher input voltage to a lower output voltage. It utilizes an adaptive on-time control architecture to achieve high efficiency and fast transient response. The feedback loop regulates the output voltage by adjusting the duty cycle of the internal power switches. The overcurrent protection feature monitors the output current and limits it to a safe level. In case of excessive temperature, the thermal shutdown protection activates to prevent damage to the IC.

Detailed Application Field Plans

The ISL6312IRZ-T is commonly used in various power management applications, including but not limited to: - Desktop computers - Servers - Networking equipment - Industrial automation systems - Telecommunications infrastructure

Detailed and Complete Alternative Models

  1. ISL6336IRZ-T: Similar voltage regulator IC with higher maximum output current of 20A.
  2. ISL6322IRZ-T: Voltage regulator IC with integrated power MOSFETs for simplified design.
  3. ISL6341IRZ-T: Dual-channel voltage regulator IC for multi-output power supply applications.

These alternative models offer different specifications and features, providing flexibility for various design requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ISL6312IRZ-T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of ISL6312IRZ-T in technical solutions:

  1. Q: What is ISL6312IRZ-T? A: ISL6312IRZ-T is a highly integrated dual-output controller designed for multiphase synchronous buck applications.

  2. Q: What are the key features of ISL6312IRZ-T? A: The key features of ISL6312IRZ-T include high efficiency, adjustable switching frequency, voltage positioning, current balancing, and protection features like overcurrent and overvoltage protection.

  3. Q: What is the typical input voltage range for ISL6312IRZ-T? A: The typical input voltage range for ISL6312IRZ-T is between 4.5V and 28V.

  4. Q: How many phases does ISL6312IRZ-T support? A: ISL6312IRZ-T supports up to 6 phases, making it suitable for high-current applications.

  5. Q: Can ISL6312IRZ-T be used in both single-phase and multi-phase configurations? A: Yes, ISL6312IRZ-T can be used in both single-phase and multi-phase configurations, providing flexibility in design.

  6. Q: What is the maximum output current that ISL6312IRZ-T can handle? A: ISL6312IRZ-T can handle a maximum output current of 60A per phase.

  7. Q: Does ISL6312IRZ-T have any built-in protection features? A: Yes, ISL6312IRZ-T has built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  8. Q: Can ISL6312IRZ-T be used in automotive applications? A: Yes, ISL6312IRZ-T is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification.

  9. Q: What is the operating temperature range of ISL6312IRZ-T? A: The operating temperature range of ISL6312IRZ-T is from -40°C to +125°C.

  10. Q: Is there any evaluation board available for ISL6312IRZ-T? A: Yes, Intersil provides an evaluation board called ISL6312EVAL1Z to help users evaluate and test the performance of ISL6312IRZ-T in their applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.