LTC3624IDD-3.3#TRPBF

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The LTC3624IDD-3.3#TRPBF is a highly integrated DC/DC switching regulator with many features, making it suitable for a wide range of applications. This is a high efficiency regulator that can operate over an input voltage range of 3 V to 24 V, and is capable of providing regulated output voltages of 3.3 V to 15 V. It can provide up to 400 mA of output current and is highly optimized for energy efficiency, with a quiescent current of only 5 µA in Sleep mode and a typical efficiency of 94%.

Performance Features

The LTC3624IDD-3.3#TRPBF offers high performance features that make it suitable for a wide range of applications. It has an adjustable current limit, allowing the user to set the maximum current draw from the regulator, and a Pulse Frequency Modulation (PFM) mode, allowing for increased efficiency at low loads. It also has a Soft-Start feature and a Power Saving Mode, which reduces quiescent current in low-load applications. The regulator can also be configured for input current monitoring, enabling the user to monitor input current in multiple operating modes.

Application

The LTC3624IDD-3.3#TRPBF is ideal for a wide range of applications, including digital power circuits and industrial, automotive, and medical electronics. The regulator can be used to power the microprocessors, microcontrollers, and digital signal processing ICs found in many of these applications. The device can also be used to provide power to radios, CD players, and other audio components in automotive applications, as well as other power management products and circuits. Due to its high efficiency and low quiescent current, it is well suited for battery powered applications.

Working Principle

The LTC3624IDD-3.3#TRPBF uses a switching regulator topology, along with highly efficient synchronous rectifier MOSFETs, to convert input voltage to a fixed output voltage. The regulator consists of an oscillator, which generates the switching pulse, a power switch, and a control section. The power switch is used to control the amount of current fed to the output capacitor, while the control section is used to adjust the output voltage. As the feedback voltage from the output setpoint changes, the control section adjusts the ON-OFF duty cycle of the power switch to provide the correct output voltage.

The LTC3624IDD-3.3#TRPBF also provides a number of protections to both the input and output as well. These include over-voltage protection (OVP) for the input, under-voltage protection (UVP) for the input, over-current protection (OCP) for the input and output, and soft-start to prevent inrush current from the input supply. In addition, the device offers thermal protection to ensure its temperature does not exceed a certain limit.

Conclusion

The LTC3624IDD-3.3#TRPBF is a highly integrated DC/DC switching regulator with many features, making it suitable for a wide range of applications. It offers high performance features such as an adjustable current limit, Pulse Frequency Modulation (PFM) mode, Soft-Start, and Power Saving Mode. It can be used to power the microprocessors, microcontrollers, and digital signal processing ICs found in many of these applications, as well as other power management products and circuits. The regulator also offers input and output protection, as well as thermal protection, to ensure its long-term reliability. Thanks to its high efficiency and low quiescent current, the device will also be well suited for battery powered applications.

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