RICHTEK RT8243AZQW RT8243A 8A (Step Down) buck converter IC

Description

Key Features of RT8243AZQW:

1. Synchronous Buck Converter:

   • The RT8243AZQW is a synchronous step-down converter that integrates both the high-side and low-side MOSFETs, improving efficiency and reducing external component count.

2. Wide Input Voltage Range:

   • Input Voltage: Supports an input voltage range from 4.5V to 23V, making it suitable for a variety of applications with different power supply requirements.

3. Adjustable Output Voltage:

   • The output voltage is adjustable using external resistors. It can be configured to a wide range of output voltages, typically 1.0V to 16V, depending on the design.

4. High Efficiency:

   • The IC is designed to achieve high conversion efficiency, often greater than 90%, which is ideal for applications requiring low power dissipation.

5. Output Current:

   • Capable of providing up to 3A of continuous output current, which is suitable for powering medium power devices like FPGA, microprocessors, sensors, and power-hungry peripherals.

6. Integrated Protection Features:

   • Overcurrent Protection (OCP): Protects against short circuits and excessive load conditions.

   • Thermal Shutdown: Automatically turns off the converter to protect it from overheating.

   • Under-voltage Lockout (UVLO): Ensures that the converter only operates when the input voltage is above a certain threshold.

7. Switching Frequency:

   • The switching frequency is adjustable, typically around 500kHz, though this may vary based on external components and application needs.

8. Low Quiescent Current:

   • The IC has a low quiescent current (typically around 30µA), making it ideal for battery-powered and low-power systems where energy efficiency is crucial.

9. Compact Package:

   • The RT8243AZQW is available in the QFN-16 package (4mm x 4mm), which is space-efficient and suitable for compact designs.

Applications:

• Portable Devices: Used in systems where efficient power conversion and low power consumption are critical, such as smartphones, tablets, and wearable devices.

• Consumer Electronics: Powers FPGA, microcontrollers, sensors, or peripherals in PCBs and other consumer electronics.

• Power Management: Provides power to circuits requiring 3.3V, 5V, 12V, or custom voltages from a higher input voltage, often found in point-of-load applications.

• Networking Equipment: Can be used to power communication modules in routers, switches, and other networking devices.

Please Note:

• No Returns, Exchanges, or Warranty available.

• Kindly verify the model number and ensure it matches your product before placing an order.

• We guarantee premium quality.

• All items are thoroughly inspected prior to shipping.