LTC3577EUFF#TRPBF

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The LTC3577EUFF#TRPBF is a power-management integrated circuit (PMIC), specifically designed to provide an ideal power solution to a wide range of mobile and embedded charging systems. The device integrates a high efficiency buck converter, two linear regulators, a general-purpose precision analog input, and a configurable, low-noise RTC clock output. The LTC3577EUFF#TRPBF, with its high efficiency switching buck regulator and two linear regulators, provides a configurable power architecture for robust power supply design.

The LTC3577EUFF#TRPBF buck converter is capable of providing up to 3A output current and has an input voltage range of 2.2V to 4.5V. Its built-in MOSFETs and switching Schottky diode have an efficiency of up to 95%. It also features programmable soft-start, current limit and low-noise switching frequency options. The buck regulator also features programmable output voltage, under-voltage lockout (UVLO) and over-voltage protection (OVP).

The two integrated linear regulators of the LTC3577EUFF#TRPBF are capable of providing up to 150mA output current and have an input voltage range of 4.5V to 5.5V. These two linear regulators include options for programmable soft-start, current limit and low-noise switching. The linear regulators also provide programmable output voltage, under-voltage lockout and over-voltage protection.

In addition, the LTC3577EUFF#TRPBF includes an analog input pin to monitor an external voltage. This pin can also be used to set the output voltage of the buck converter and/or the two linear regulators via a resistive voltage divider. The device also pins a general-purpose precision analog input that can be used to monitor analog voltages in the range of 0V to 5.25V.

The LTC3577EUFF#TRPBF is designed to maintain precise and robust clock output, which is configurable through a 10-step programmable clock output module. The clock output can reach up to 5MHz with a low-noise, minimum 50% duty cycle. This eliminates the need for an external crystal as the clock source.

Overall, the LTC3577EUFF#TRPBF is an ideal power management integrated circuit for mobile and embedded charging systems due to its high efficiency buck converter, two linear regulators and configurable clock output. It is applicable for a wide range of power requirements and can be used to enable robust and precise power solutions.

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