LT3999EMSE#TRPBF

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PMIC (Power Management Integrated Circuits) apply power management and control to integrated circuits, and DC/DC (Direct Current/Direct Current) Switching Regulators are voltage regulators with switching technology that regulate and convert secondary output DC voltages from a primary DC source, such as a battery or other power supply. The LT3999EMSE#TRPBF is a monolithic synchronous voltage-mode DC-DC power converter. This small, low-quiescent current, high-performance switch-mode regulator promises to revolutionize electronic power management. It combines a 700mA switch with Voltage-mode, current-mode and dropout control, all packaged in a thermally enhanced 3-pin SOT-223 package.This integrated DC-DC switching regulator employs Pulse Width Modulation (PWM) control to respond quickly to changes in the load currents and voltage. It also features a wide range of operating frequency and a maximum output current of 3A. It is able to withstand a wide input voltage range, and is ideal for a wide range of applications such as portable battery powered equipment, smart card readers, digital cameras and cellular phone supplement power.The LT3999EMSE#TRPBF switching regulator’s circuit consists of internal high-voltage ON-OFF control, true current limit, and internal voltage sensing with an enable pin. The control circuitry operates as a closed loop system to maintain a specific voltage level at the output, independent of the load. It has two main components: a P-channel MOSFET switch, and a controller. The P-channel MOSFET switch provides regulation for both the power supply and the output load. It is capable of maintaining a constant output voltage with an input voltage range of 2V up to 24V. It has an adjustable frequency option and provides a peak current limit of 3A, making it perfect for applications that require high levels of power management. The maximum switching frequency of the LT3999EMSE#TRPBF is 40MHz, offering better performance and higher efficiency when compared to existing products in the market. The LT3999EMSE#TRPBF voltage regulator has a wide variety of working modes to suit all needs. In PWM mode, the power is regulated by varying the duty cycle of the switch. In current limit mode, the current is limited to a fixed level, and in drop out mode, the power is regulated by varying the output voltage. In addition, the LT3999EMSE#TRPBF voltage regulator offers various features to design engineers including a wide input voltage range, wide frequency range, synchronous rectification, adjustable current limit, low quiescent current, freewheeling protection, and short-circuit protection.The LT3999EMSE#TRPBF is a highly efficient and reliable device, ensuring design engineers can implement it into their power management systems with confidence. Its robust design, wide range of working modes, and multitude of features make it perfect for a wide range of applications, including those involving portable battery powered equipment, smart card readers, digital cameras and cellular phone supplement power. The LT3999EMSE#TRPBF voltage regulator is available in small packages; the SOT223 being the most common. It is also easy to assemble and use, making it a popular choice for many different types of applications. It is perfect for applications that require a wide input voltage range, or need to maintain a constant output voltage without the need for large power storage systems.

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