LTC3105EMS#TRPBF

PMIC – Voltage Regulators – Special Purpose

The LTC3105EMS#TRPBF is a special purpose voltage regulator integrated circuit specifically designed for use in battery-powered applications. This IC is made from an advanced CMOS process, integrating both high frequency and low dropout linear regulators, and includes a wide range of features for efficient operation in large and small battery-powered applications.

Input Voltage

The input voltage for the LTC3105EMS#TRPBF voltage regulator can range from 2.5 to 5.5V. The IC is capable of taking the input from different sources, from a single cell Li-ion battery to multiple cells in series.

Output Voltage

The output of the LTC3105EMS#TRPBF voltage regulator can be configured to either 3.3V, 5V, or 6.5V. The output is adjustable with an external resistor and is current-limited to the maximum value of the input voltage minus 300mV. The output voltage accuracy of the IC is ±2% without feedback, and ±1% with feedback,for a total of ±3%.

Features

The LTC3105EMS#TRPBF voltage regulator IC includes several features for efficient operation and accuracy. The IC includes an internal POR (power on reset) circuit, which allows for automatic resetting of the IC when the input voltage drops below 2.5V. It also includes an integrated N-channel MOSFET that utilizes low dropout linear regulation for efficient operation. Additionally, the IC includes an integrated switching regulator and a power management supervisor to ensure proper system operation. The IC also includes an adjustable low-battery voltage detect feature for system monitoring. The IC provides a broad range of features that enable robust system level power management.

Application Fields

The LTC3105EMS#TRPBF voltage regulator IC is designed for use in many different applications, including medical and consumer devices, mobile phones and other handheld devices, smart appliances, and portable power banks. The IC can also be used in automotive and industrial applications, and can be used as a stand alone voltage regulator or as part of a system-level power management solution.

Working Principle

The LTC3105EMS#TRPBF voltage regulator employs various components in order to provide reliable and efficient regulation of output voltage. First, the internal N-channel MOSFET utilizes low dropout linear regulation to ensure efficient and accurate output voltage. The regulator also employs an integrated switching regulator and a power management supervisor to assist with proper system operation. Finally, the IC includes a current-limited protection circuit to prevent over-current conditions, and an adjustable low-battery voltage detect feature to monitor system operation.

Conclusion

The LTC3105EMS#TRPBF voltage regulator IC is an efficient, compact and cost-effective solution for battery-powered applications. It is capable of providing a reliable and adjustable output voltage from a wide variety of input sources. The IC includes a wide array of features, including a POR circuit, an integrated N-channel MOSFET, an integrated switching regulator and a power management supervisor, and a low-battery voltage detect feature. The wide range of features make the IC a great choice for many different applications.