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TPS40303DRCR
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TPS40303DRCR

Introduction

The TPS40303DRCR is a voltage mode synchronous buck controller belonging to the category of power management integrated circuits (PMICs). This device is commonly used in various applications such as point-of-load regulation, server and telecom power supplies, and industrial power systems. The TPS40303DRCR is known for its high efficiency, compact package, and robust performance, making it a popular choice for power supply designs.

Basic Information Overview

  • Category: Power Management Integrated Circuit (PMIC)
  • Use: Voltage mode synchronous buck controller
  • Characteristics: High efficiency, compact package, robust performance
  • Package: VSON-10
  • Essence: Efficient power regulation and management
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.6V to 5.5V
  • Switching Frequency: Adjustable up to 1.5MHz
  • Operating Temperature Range: -40°C to 125°C
  • Features: Overcurrent protection, thermal shutdown, adjustable soft start, power good indicator

Detailed Pin Configuration

The TPS40303DRCR features a 10-pin VSON package with the following pin configuration: 1. VIN: Input voltage 2. PGND: Power ground 3. BOOT: Bootstrap capacitor connection 4. PH: Phase node connection 5. COMP: Compensation input 6. SS/TR: Soft start/tracking 7. FB: Feedback voltage input 8. RT/CLK: Oscillator frequency setting 9. AGND: Analog ground 10. SW: Switch node connection

Functional Features

  • Voltage Mode Control: Provides precise regulation of output voltage
  • Synchronous Rectification: Maximizes efficiency by reducing power losses
  • Adjustable Switching Frequency: Allows optimization for different application requirements
  • Overcurrent Protection: Safeguards the circuit from excessive current conditions
  • Thermal Shutdown: Prevents damage due to excessive temperature

Advantages and Disadvantages

Advantages

  • High efficiency
  • Compact package
  • Wide input voltage range
  • Robust performance
  • Overcurrent protection
  • Thermal shutdown

Disadvantages

  • Limited output voltage range
  • External components required for operation

Working Principles

The TPS40303DRCR operates based on the voltage mode control technique, where the feedback voltage is compared with a reference to regulate the output voltage. The synchronous rectification mechanism minimizes power losses, while the adjustable switching frequency allows flexibility in design. The device incorporates overcurrent protection and thermal shutdown to ensure safe and reliable operation.

Detailed Application Field Plans

The TPS40303DRCR is well-suited for various applications including: - Point-of-load regulation - Server and telecom power supplies - Industrial power systems - Battery charging systems - LED lighting drivers

Detailed and Complete Alternative Models

Some alternative models to TPS40303DRCR include: - TPS40304: Similar voltage mode synchronous buck controller with enhanced features - TPS54302: Non-synchronous buck converter with comparable performance - LM5117: Wide input voltage range synchronous buck controller

In conclusion, the TPS40303DRCR offers efficient and reliable power management capabilities, making it an ideal choice for diverse applications requiring precise voltage regulation and high performance.

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10 domande e risposte comuni relative all'applicazione di TPS40303DRCR nelle soluzioni tecniche

  1. What is the TPS40303DRCR?

    • The TPS40303DRCR is a synchronous buck DC-DC controller designed to operate from a 3-V to 20-V input supply.

  2. What is the typical application of TPS40303DRCR?

    • The TPS40303DRCR is commonly used in point-of-load (POL) converters, voltage regulator modules (VRMs), and other power management applications.

  3. What is the maximum output current supported by TPS40303DRCR?

    • The TPS40303DRCR can support a maximum output current of up to 25A.

  4. What is the switching frequency range of TPS40303DRCR?

    • The TPS40303DRCR has a switching frequency range of 200 kHz to 2.2 MHz.

  5. What are the key features of TPS40303DRCR?

    • Some key features of TPS40303DRCR include adjustable soft start, cycle-by-cycle overcurrent protection, and thermal shutdown.

  6. What type of control method does TPS40303DRCR use?

    • TPS40303DRCR uses voltage mode control for regulating the output voltage.

  7. What is the operating temperature range of TPS40303DRCR?

    • The TPS40303DRCR can operate within a temperature range of -40°C to 125°C.

  8. What are the recommended input and output capacitors for TPS40303DRCR?

    • For optimal performance, it is recommended to use low ESR ceramic capacitors at the input and output of the TPS40303DRCR.

  9. How can I configure the output voltage of TPS40303DRCR?

    • The output voltage of TPS40303DRCR can be configured using an external resistor divider network connected to the feedback pin.

  10. Is there any evaluation module available for TPS40303DRCR?

    • Yes, Texas Instruments offers an evaluation module (EVM) for TPS40303DRCR, which provides a convenient platform for testing and evaluating the performance of the device.