Introduction

LT3980HMSE#TRPBF are a family of switching voltage regulators from Linear Technology. They can be used as a voltage regulator, a buck converter, a boost converter, and even a programmable current limiter. The LT3980HMSE#TRPBF is designed to meet the needs of high performance and low cost applications. It is pin-compatible with other LT3980 devices and is offered in a space-saving 8-pin MSOP package.

Application Field

The LT3980HMSE#TRPBF is a versatile, low-cost switching voltage regulator ideal for a wide range of commercial and industrial applications. It can be used as a voltage regulator in a variety of circuits, including car audio systems and other DC/DC switching techniques. It can also be used as a buck or boost converter in a wide range of voltage-conversion applications, such as LED lighting and power supplies. The LT3980HMSE#TRPBF can also be used as a programmable current limiter, protecting circuits from hazardous overcurrent conditions.

Working Principle

The LT3980HMSE#TRPBF utilizes the Pulse Width Modulation (PWM) control method for voltage regulation. The device compares a sensed-voltage to the output-voltage provided by a reference-voltage in order to generate an error-signal. This error-signal is then filtered and used to control the switching of MOSFETs included within the device\'s layout. By switching the MOSFETs in the right combination, the chip is able to provide a constant output voltage regardless of changes in the load current or input voltage. The LT3980HMSE#TRPBF also includes built-in protection mechanisms, such as Overvoltage Protection, Overcurrent Protection and Thermal Shut-Down, which ensure the safety of the circuit in the event of an adverse situation.

Conclusion

The LT3980HMSE#TRPBF from Linear Technology is a versatile, low-cost switching voltage regulator suitable for a wide range of applications. Its Pulse Width Modulation (PWM) control method allows for high-precision voltage regulation and its built-in protection mechanisms provide circuit safety. The LT3980HMSE#TRPBF is a great choice for designers looking for a low-cost solution for their voltage regulating needs.