LTC3405ES6#TRMPBF

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The LTC3405ES6#TRMPBF is a high power, low noise, current-mode, step-down DC-DC switching regulator. It has a wide input voltage range up to 6V, adjustable junction temperature limit, and integrated dual low-side FETs with enhanced efficiency in a 6-pin, 1.6mm×2.0mm DFN package. The regulator operates from 5V to 18V input and provides single output with up to 1A output current. It features integrated reverse-blocking MOSFETs and features programmable junction temperature limit. The regulator can be used as a step-down converter or as an adjustable low-dropout regulator for power in portable applications.

The regulator uses an advanced current-mode switching technique and operates from a wide input voltage range of 5V up to 18V. With an internal high-side MOSFET and a low-side MOSFET, the regulator is capable of high efficiency while producing low noise output. The high-side MOSFET has an ultra-low 21mV ±1mV voltage drop at full load. The regulator features an adaptive over current protection scheme and programmable junction temperature limit to protect the device from over temperature conditions. for SDSP power, low-voltage remote sensing and dual supply applications.

The LTC3405ES6#TRMPBF is available as an easy-to-use chip-level solution with an integrated set of high-performance digital control logic that is fully configurable from the host platform, either by digital control pins or an I2C interface. With an on-chip digital filter, the regulator is able to eliminate all the unwanted noise, resulting in a clean and precise output voltage. It also features an adjustable only voltage flag and an adjustable over temperature flag.

The LTC3405ES6#TRMPBF features a constant frequency, synchronous PWM (Pulse Width Modulated) control, allowing the circuit to have a fast transient response while maintaining a low level of EMI (Electromagnetic Interference). It also features an adjustable current limit and variable soft-start reset time. The variable soft-start reset time allows the circuit to adjust the current limit quicker, resulting in higher efficiency, thus less wasted energy.

In addition, the LTC3405ES6#TRMPBF offers a wide range of adaptive current protection schemes, including over-current protection with adjustable trip point and under-voltage protection. This protection circuit can be used to prevent the device from possible damage due to close proximity of power MOSFETs and conducting inductors. The over-current protection circuit can be configured for either continuous or single pulse output.

This versatility allows the LTC3405ES6#TRMPBF to be used in a diverse range of applications from consumer electronics, power supplies, and embedded systems to wireless charging systems, automotive electronics, and automotive applications. The regulator has the ability to operate in either continuous current mode or in a pulsed mode, depending on the specific application.

The LTC3405ES6#TRMPBF is a highly efficient, low-noise, current-mode, step-down DC-DC switching regulator and is ideal for applications requiring higher load current and excellent load regulation with minimum noise. It can be used in regulated power supply, battery charger and other power management solutions, ranging from consumer electronics, medical equipment, and industrial applications to automotive systems.

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