LTC7801HUFD#TRPBF

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The LTC7802HUFD#TRPBF is a popular device within the PMIC – Voltage Regulators – DC DC Switching Controllers category. This product is designed for several applications, including as a direct current (DC) power supply, where it can provide ultra-low-power levels and high efficiency. Its main features make it a go-to choice for many applications, providing up to 4A of output current and a wide input voltage range from 4.5 to 28V.

The LTC7802HUFD#TRPBF is a high-performance controller for Switching Mode Power Supplies (SMPS) with an integrated MOSFET. It offers very fast response times, current limit protection, and excellent step-down DC/DC conversion efficiency. It can further reduce the power consumption of an application by using a unique SmartStart™ technology startup circuit which can switch-on the MOSFET directly from a shutdown state.

The LTC7802HUFD#TRPBF uses a Pulse Width Modulation (PWM) or Pulse Frequency Modulation (PFM) method for current control. With PFM, the pulse width stays constant and the pulse frequency varies to regulate the output current. This helps increase power conversion efficiency even at low load currents. With PWM, an external circuit is used to detect the output voltage and the PWM controller automatically adjusts the pulse width according to the difference between the setpoint (desired voltage) and the actual output voltage in order to maintain regulation.

The LTC7802HUFD#TRPBF also includes a number of protection features. These include thermal shutdown, overvoltage protection, undervoltage protection, and a programmable soft start. Additionally, the device can work as a single-cell input source as well as a multi-cell Li-Ion battery buck converter. This makes it ideal for a range of applications, including in EV/HEV (electric vehicle/hybrid electric vehicle) powertrains, telecom systems, industrial equipment, portable medical equipment, server and storage systems, and consumer electronics.

In conclusion, the LTC7802HUFD#TRPBF is a reliable and cost-effective PMIC – Voltage Regulators – DC DC Switching Controllers device which offers a wide range of features, excellent performance, and extensive protection functionalities. Its SmartStart™ and PFM/PWM control capabilities make it suitable for a variety of applications, while its small size and low overall power consumption make it attractive to designers looking to maximize efficiency and reliability.

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