LTC4412ES6#TRMPBF

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The LTC4412ES6#TRMPBF, manufactured by Linear Technology, is a robust and high-performance device used in PMIC (Power Management IC), OR Controllers, and Ideal Diode applications. The device provides a low-voltage alternative to traditional buck and boost controllers, and provides a very wide range of adjustable operating current, making the device suitable for a variety of power management tasks, such as battery charging, linear regulator, and multi-phase regulation.

The LTC4412ES6#TRMPBF employs an external current sense resistor to control the current flowing in the output stage. A precision current sense amplifier, along with an adjustable reference voltage, converts the sensed current into a voltage. This voltage is then compared with an adjustable ramp voltage and the output stage is driven accordingly. The ramp voltage is adjusted by a resistor connected between the Ramp pin and ground. The current sense amplifier is adjustable by a resistor connected between the Sense pin and ground, allowing the user to adjust the sense voltage and select the optimal current sense gain.

In addition, the LTC4412ES6#TRMPBF features an adjustable soft-start control. This control is enabled via an external capacitor connected between the Soft-Start input and ground. The soft-start feature is used to reduce the inrush current at startup, and also prevents output voltage overshoot during startup or when stepping the output voltage. The enable pin can be used to enable or disable the device, and the PGOOD pin can be used to indicate when the device is in a valid range of operation.

The LTC4412ES6#TRMPBF has several protection features in order to improve device reliability, such as over-current, over temperature and under-voltage lockout. The device also includes a programmable compensation network which can be used to optimize the control loop for stability at different duty cycles, enabling efficient operation over the entire load range.

The LTC4412ES6#TRMPBF can be used in OR Controllers applications, allowing the user to control the current being used in the output stage. It can also be used in Ideal Diode applications, where it can replace a lossy Schottky diode. The device is available in 8-pin SOIC, 6-pin SOT-23 and 3-pin SOT-23 packages.

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