LT3514IUFD#TRPBF

The LT3514IUFD#TRPBF is a monolithic synchronous buck switching regulator integrated circuit (IC) from Linear Technology. It is designed to supply up to 2A of continuous output current over a wide input voltage range and features programmable switching frequency, output voltage, and output current limit. The LT3514IUFD#TRPBF can operate over an input voltage range of 2.3V to 18V, making it suitable for a wide range of applications including automotive, industrial, communications, and consumer electronics.

The LT3514IUFD#TRPBF switching regulator consists of an internal monolithic MOSFET switch, an internal voltage reference, and a current regulated oscillator. The device has several features that improve efficiency, such as low quiescent current and low switch current, on-time programmability, and built-in soft-start/restart capability. It also has programmable switching frequency between 200kHz and 1.5MHz, allowing a wider selection of output inductors and capacitors for the design. The LT3514IUFD#TRPBF switching regulator has a 1.5A integrated MOSFET switch with internal protection against undervoltage lockout, overvoltage protection, output short-circuit protection, and overcurrent protection.

In order to use the LT3514IUFD#TRPBF switching regulator, a few external components are required. These include an output inductor, an output capacitor, a soft-start capacitor, an enable pin capacitor, and an external resistor to set the switching frequency. The output voltage of the LT3514IUFD#TRPBF can be programmed using an external resistor connected between the FB pin and ground, or an external voltage reference. The output current limit can be programmed using an external resistor connected between the SENSE pin and the SOURCE pin. The integrated voltage reference can be set via an external resistor connected between the reference pin and ground.

The LT3514IUFD#TRPBF switching regulator provides excellent output voltage accuracy, low output noise, and programmable output switching frequency. The device has an integrated soft-start feature which helps the system power up smoothly, and also reduces the inrush current. In addition, the device features thermal shutdown protection which helps to protect the switch from overheating. Overall, the LT3514IUFD#TRPBF switching regulator is an excellent choice for a variety of applications due to its high efficiency, low output noise, and robust features.

In conclusion, the LT3514IUFD#TRPBF switching regulator from Linear Technology is an excellent choice for applications requiring high efficiency, low output noise, and robust features. The device is well suited for automotive, industrial, communications, and consumer electronics applications, due to its wide input voltage range, programmable output voltage and current limit, and switching frequency. With the integrated MOSFET switch and integrated protection features, the LT3514IUFD#TRPBF is a versatile device for a wide range of voltage regulation applications.