LT3976IMSE#PBF

LT3976IMSE#PBF Application Field and Working Principle

PMIC - Voltage Regulators - DC DC Switching Regulators

The LT3976IMSE#PBF is a high-performance synchronous step-down DC/DC converter that can provide up to 12A at a voltage rating of between 0.7V and 1.8V. It uses a high power semiconductor process for both the switch transistors and the integrated logic circuits, allowing for a high degree of integration and a lower overall component cost. It is ideal for applications such as data centers, servers, and storage devices where high output currents and high efficiency are required.

The LT3976IMSE#PBF operates in a synchronous buck configuration and incorporates a fast response Peak-Current-Mode control loop with a low-feedback internal compensation network. This allows for excellent load and line regulation, as well as fast response to rapidly changing inputs and output voltages. The control logic includes a power-up startup circuit, as well as an advanced soft-start and adjustable OVP circuit that eliminate output overshoot.

The LT3976IMSE#PBF has several features that make it suitable for applications requiring high power and/or high efficiency. The converter has a wide input voltage range from 4.5V to 24V and an output voltage range from 0.7V to 1.8V. The high efficiency of up to 90% offers the user significant power savings, and the high switching frequency of 2.2MHz allows for the use of small, low cost inductors and ceramic capacitors to reduce the size and cost of the end system.

The LT3976IMSE#PBF also incorporates a wide range of protection features. These include undervoltage lockout, current limit, over temperature, short circuit protection, and overvoltage protection. The integrating current limit is adjustable, so that it can be used to protect a variety of load types. It also includes an active balancing circuit that allows for an effective current sharing between multiple regulators. This ensures that the output voltage stays balanced even during heavy load conditions.

Overall, the LT3976IMSE#PBF is an ideal choice for a wide variety of low-voltage, high-current applications. Its advanced features provide excellent load regulation, fast transient response, and high efficiency. Its wide input voltage range and protection features provide users with greater flexibility and improved safety. Its small size and low cost make it ideal for a variety of cost-sensitive applications.