LT3480HMSE#PBF

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LT3480HMSE#PBF Application Field and Working Principle

The LT3480HMSE#PBF is a versatile DC-to-DC switching regulator from the PMIC - Voltage Regulators - DC DC Switching Regulators family. It\'s capable of delivering up to 6A with a wide 4.5V to 100V range and adjustable output voltages. The integrated fixed frequency can be programmed up to 1MHz. Some of its features include thermal protection, low quiescent current (for low power consumption), ultra-fast transient response and 0.5% accuracy.

The LT3480HMSE#PBF is designed to deliver adjustable output voltages to power processors, FPGAs, microcontrollers and other digital systems. It has excellent line regulation (1.2% max) and load regulation (2% max) characteristics. Its low quiescent current (only 17μA) ensures very high efficiency and low power consumption. Its low threshold voltage (1.5V) along with its low-dropout operation provides superior dynamic performance. It also helps to reduce power loss across the system.

The LT3480HMSE#PBF includes protection features such as Cycle-by-Cycle Current Limit, Automatic/Manual Standby Mode, Over-Voltage Protection and Under-Voltage Lockout. It also includes an internal soft-start and current limit circuitry which allows for smooth transitions from low to high load conditions. Its thermal protection allows it to shut down and protect the circuitry from overheating.

The LT3480HMSE#PBF utilizes a fixed-frequency, pulse-width modulation (PWM) control architecture to implement a dc-to-dc switching regulator. It works by converting a wide input voltage range into a regulated output voltage. The voltage regulator features a dedicated logic pin that provides feedback on the converter\'s output voltage at the feedback network output. The internal PWM controller monitors the feedback voltage and continuously adjusts the duty cycle of the converter\'s switches to ensure an accurate output voltage is maintained regardless of line and/or load variations.

The LT3480HMSE#PBF switching regulator is suitable for a wide range of applications including signal conditioning, battery charging, motor control, and motor speed control. It\'s also suitable for applications that require high efficiency, low noise, and reliable performance. Its low quiescent current, excellent line and load regulation characteristics, and ultra-fast transient response make it an ideal choice for many types of power management applications.

In conclusion, the LT3480HMSE#PBF is a highly efficient DC-to-DC switching regulator from the PMIC - Voltage Regulators - DC DC Switching Regulators family. It has a wide 4.5V to 100V input range, adjustable output voltage, and internal soft-start circuitry. Its low quiescent current (17μA) and excellent line and load regulation characteristics along with the protection features make it a suitable choice for many power management applications.

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