LTC3809EDD-1#TRPBF

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LTC3809EDD-1#TRPBF, or LTC3809EDD-1, is a high-performance DC-DC buck switching controller optimized for DC-DC applications such as telecom, networking and industrial power supplies. It features an internal two-phase interleaved PWM for efficient and low ripple current operation and is protected by an integrated cycle-by-cycle current limit, soft-start and over-voltage protection.

The voltage regulator has a wide operating range of 4.5V to 31V and can be configured for either Switched Capacitor Converter or Buck Converter applications. In Buck Converter applications, the output voltage can be extended up to 100V. In addition, the controller can be used in Multi-Phase systems for increased power density or smoother operation. The LTC3809EDD-1 features a programmable frequency of 100kHz to 1MHz and is designed for synchronous, asynchronous and passive rectification. The controller also has a selectable synchronous rectifier option that can be used to increase the efficiency of the overall system.

The LTC3809EDD-1 is a highly efficient regulation solution that minimizes heat dissipation, while providing superior performance. The integrated low-dropout (LDO) output voltage, adjustable in the range of 0.8V to 5.5V, helps to minimize input headroom voltages. Additionally, it is built with an integrated programmable soft-start and over-voltage protection that helps to prevent overshoot and sub-regulation conditions. The device also features various fault protection functions such as thermal shutdown, cycle-by-cycle current limit and an external VCC under-voltage lock-out.

The LTC3809EDD-1 is an ideal choice for a wide variety of DC-DC conversion applications, such as telecom and networking power supplies, server power supplies, industrial applications and other DC-DC converter designs.Compared to other available DC-DC switching controllers, the LTC3809EDD-1 is a cost-effective solution that provides high efficiency, low EMI transmissions and a wide operating range, making it a great regulator choice for a variety of power supply designs.

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