RT9040GQW(2)

PMIC - Voltage Regulators - Special Purpose

The RT9040GQW (2) chip is a voltage regulator designed to serve a wide range of special purpose applications. It is high-efficiency, low-noise, and has an integrated high-speed control loop.

Applications

The RT9040GQW (2) is designed to regulate output voltage under a wide range of conditions, and is well suited for a variety of special purpose applications including:

• Multi-phase power supplies for processors
• DC-DC power converters
• Distributed power systems
• Set-top box power supplies
• Display power supplies
• Autonomous power grid systems

Features

The RT9040GQW (2) offers several features that make it a desirable choice for special purpose applications. These include:

• Wide operating current range: 0.7A, 1A, 2A
• Integrated high-speed control loop
• Programmable output voltage setting
• High tolerance for line and load variations
• Compact package size (2x2mm)
• Wide input voltage range: 4.5V to 24V

Working principle

The RT9040GQW (2) employs a dual control loop design that allows it to respond quickly to line and load transient conditions while providing highly accurate output voltage regulation. The chip uses an internal error amplifier to compare the feedback voltage to a reference voltage and then adjusts the switching frequency and duty cycle of the internal power switch to maintain the desired output voltage. The designer can set the desired output voltage by simply programming the onboard voltage setting registers.

The RT9040GQW (2) also offers current-limit and over-temperature protection features that help protect the device from being damaged under extreme conditions. It is also equipped with internal soft-start and burst mode operation features that allow for improved power efficiency.

Overall, the RT9040GQW (2) is an efficient, integrated, and easy to use special purpose voltage regulator that can be used for a variety of applications.