Infineon Technologies
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IRU1150CSTR
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IRU1150CSTR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: Small Outline Transistor (SOT) package

Essence: The IRU1150CSTR is a power management IC designed to regulate and control the power supply in various electronic devices.

Packaging/Quantity: The IRU1150CSTR is typically sold in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V - 60V
  • Output Voltage Range: 0.8V - 55V
  • Maximum Output Current: 3A
  • Quiescent Current: 120µA
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1150CSTR has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VCC: Supply voltage pin
  4. FB: Feedback pin for output voltage regulation
  5. EN: Enable pin for turning the IC on/off
  6. SS: Soft-start pin for controlling the startup time
  7. COMP: Compensation pin for stability adjustment
  8. PGND: Power ground pin
  9. SW: Switching node pin for connecting the external inductor
  10. LX: Inductor current sense pin

Functional Features

  1. Wide Input Voltage Range: The IRU1150CSTR can handle a wide range of input voltages, making it suitable for various applications.
  2. Efficient Power Conversion: It provides high efficiency power conversion, minimizing energy loss and maximizing battery life.
  3. Overcurrent Protection: The IC incorporates overcurrent protection to prevent damage to the device and connected components.
  4. Thermal Shutdown Protection: It includes thermal shutdown protection to safeguard against overheating and potential damage.
  5. Compact Size: The small package size allows for space-saving integration into compact electronic devices.

Advantages

  • High efficiency power conversion
  • Wide input voltage range
  • Overcurrent and thermal protection
  • Compact size for space-constrained applications

Disadvantages

  • Limited maximum output current (3A)
  • Requires external inductor for operation

Working Principles

The IRU1150CSTR operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired output voltage level.

Detailed Application Field Plans

The IRU1150CSTR is commonly used in various applications, including:

  1. Automotive electronics
  2. Industrial automation systems
  3. Telecommunications equipment
  4. Power supplies for consumer electronics
  5. LED lighting systems

Alternative Models

  1. IRU1150CSPTR: Similar specifications and features, but in a different package (Surface Mount Package).
  2. IRU1150CDTR: Similar specifications and features, but with a higher maximum output current (5A).

These alternative models can be considered based on specific application requirements and form factor constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRU1150CSTR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of IRU1150CSTR in technical solutions:

  1. Q: What is the IRU1150CSTR? A: The IRU1150CSTR is a high-performance synchronous buck controller IC used for voltage regulation in various technical applications.

  2. Q: What is the input voltage range supported by the IRU1150CSTR? A: The IRU1150CSTR supports an input voltage range of 4.5V to 14V.

  3. Q: What is the output voltage range that can be achieved using the IRU1150CSTR? A: The IRU1150CSTR can achieve an output voltage range from 0.6V to 5.5V.

  4. Q: What is the maximum output current that the IRU1150CSTR can handle? A: The IRU1150CSTR can handle a maximum output current of up to 15A.

  5. Q: Can the IRU1150CSTR operate in a wide temperature range? A: Yes, the IRU1150CSTR has a wide operating temperature range of -40°C to 125°C.

  6. Q: Does the IRU1150CSTR have any built-in protection features? A: Yes, the IRU1150CSTR includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: What type of control method does the IRU1150CSTR use? A: The IRU1150CSTR uses voltage mode control for regulating the output voltage.

  8. Q: Can the IRU1150CSTR be used in both step-down and step-up applications? A: No, the IRU1150CSTR is specifically designed for step-down (buck) applications.

  9. Q: What is the switching frequency range of the IRU1150CSTR? A: The IRU1150CSTR has a switching frequency range of 100kHz to 1MHz.

  10. Q: Is the IRU1150CSTR suitable for automotive applications? A: Yes, the IRU1150CSTR is AEC-Q100 qualified and can be used in automotive applications.

Please note that these answers are general and may vary depending on specific design considerations and requirements.