The RT6967GQV is a highly integrated synchronous rectified step-down DC-DC converter from Richtek USA Inc. It features a wide input voltage range, high efficiency, and excellent transient response, making it suitable for various power management applications.

Applications

• Notebook Computers
• LCD Monitors
• Set-Top Boxes
• Distributed Power Systems

Features

• Wide Input Voltage Range: 4.5V to 18V
• High Efficiency: Up to 95%
• Adjustable Output Voltage: 0.8V to Vin
• Integrated Synchronous Rectifier
• Current Mode Operation
• Short Circuit Protection
• Over Voltage Protection
• Over Temperature Protection
• Enable/Disable Control
• Power Good Indicator
• Thin QFN Package

Benefits

• Provides a stable and efficient power supply for various electronic devices.
• Reduces power consumption and heat generation due to high efficiency.
• Protects the load from damage due to short circuits, over voltage, and over temperature conditions.
• Offers flexibility in output voltage selection.
• Simplifies circuit design with integrated synchronous rectifier.
• Reduces board space with a small QFN package.

Additional Details

The RT6967GQV utilizes current mode control for fast transient response and stable operation. It incorporates integrated synchronous rectification to improve efficiency and reduce power dissipation. The device also features comprehensive protection functions, including short circuit protection (SCP), over voltage protection (OVP), and over temperature protection (OTP). The RT6967GQV is available in a space-saving QFN package. The switching frequency is typically around 500kHz. The device requires external components such as inductors and capacitors for proper operation. The enable pin allows for easy on/off control of the converter. The power good (PG) signal indicates when the output voltage is within the specified regulation limits. This component is crucial for ensuring stable power delivery in sensitive electronic systems.