The LT3473EDD#PBF is an integrated circuit (IC) component designed by Linear Technology (now part of Analog Devices Inc.) that belongs to the LT3473 family of high-efficiency step-down switching regulators. It is a versatile and compact IC that provides a wide range of features, making it suitable for various applications in different industries.
The key features of the LT3473EDD#PBF IC include:
1. High Efficiency: The IC operates in a step-down (buck) configuration and can deliver output currents of up to 500mA while maintaining high efficiency. The built-in power MOSFETs have low RDS(ON) and minimize power loss.
2. Wide Input Voltage Range: It supports a broad input voltage range, typically from 3.6V to 40V. This wide input voltage capability allows the IC to be used in applications powered from various sources, such as automotive batteries or industrial power supplies.
3. Adjustable Output Voltage: The output voltage can be precisely adjusted through an external resistor divider network, making it convenient for different voltage requirements.
4. Programmable Switching Frequency: The LT3473EDD#PBF provides a wide adjustable frequency range, from 200kHz to 2.2MHz, allowing the user to optimize efficiency or minimize the size of external components.
5. Synchronous Rectification: This IC features synchronous rectification, which helps to increase efficiency by reducing power dissipation during switching
