LM2575HVT-15/LB03

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The LM2575HVT-15/LB03 is a monolithic, fixed frequency, and current mode switching regulator. It is a highly integrated device with excellent performance, high power density, and a wide input voltage range. The LM2575HVT-15/LB03 is ideal for high frequency applications, such as secondary power supplies, DC to DC converters, and point-of-load (POL) regulators. It is also suitable for applications that require tight line and load regulation, such as powering DSPs and microcontrollers.

The LM2575HVT-15/LB03 is available in three different versions: the LM2575-15, the LM2575HVT-15, and the LB03. The LM2575-15 version is a step-up, step-down regulator with an adjustable output voltage range of 0.8V to 30V. The LM2575HVT-15 version offers the same features as the LM2575-15, but with higher power ratings. The LB03 version is a step-up regulator with a fixed output voltage of 3.3V.

The LM2575HVT-15/LB03 features built-in protection features, including input undervoltage lockout, overvoltage protection, external shutdown, and thermal shutoff. It also has automatic output voltage tracking and soft-start, which reduces the inrush current during start-up. It provides excellent line and load regulation, low-dropout voltage, and low-noise operation.

The LM2575HVT-15/LB03 has a wide operating temperature range of -40°C to +85°C. It is available in a wide range of packages, including the popular FMEA 5-pin, 8-pin DIP, and SOIC-8 packages. The device is RoHS compliant and leads-free.

The LM2575HVT-15/LB03 uses a fixed-frequency, current-mode control loop. This type of control loop is suitable for high frequency switching regulator applications. The device features a feedback loop that senses the output voltage and adjusts the duty cycle of the switching circuit according to the specified output voltage. The switching frequency is adjustable, allowing the output voltage to be accurately regulated over a wide input voltage range.

The LM2575HVT-15/LB03 can be used in a variety of applications, such as secondary power supplies, DC to DC converters, point-of-load regulators, and telecommunications systems. It can also be used in board level voltage regulation systems and most consumer electronics applications. The device’s current-mode control loop provides excellent line and load regulation as well as fast and accurate response to dynamic loads.

The LM2575HVT-15/LB03 is a highly integrated, high frequency switching regulator with excellent performance and a wide input voltage range. It features excellent line and load regulation, low-dropout voltage, and low-noise operation. The adjustable switching frequency and external shutdown features make it suitable for a wide range of applications. The device is RoHS compliant and leads-free.

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