LM2771SDX

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The LM2771SDX is a DC-DC synchronous buck regulator specifically designed for tight voltage regulation, high efficiency, and fast transient response. It is an excellent choice for applications such as communications equipment, portable/mobile applications, hard disk drives, motherboards, DC/DC power supplies and any other application where tight voltage regulation and fast transient response are required.The LM2771SDX is a high-performance buck regulator with a wide input voltage range. It operates over a wide temperature range, ranging from -40°C to +105°C, and can deliver up to 4 A continuous output current. The device also comes with built-in protection features such as overcurrent protection, short circuit protection and electromagnetic interference (EMI) reduction to protect against voltage, current and temperature transient spikes.

The LM2771SDX is based on an advanced architecture, combining adaptive on-time control, current-mode operation and a fast feedback loop for improved line and load transient response. This low-cost solution features a high switching frequency, high efficiency and a low-output ripple. It also provides excellent line and load transient response, making it suitable for applications with large and varying output current demands.

The LM2771SDX has a wide operating voltage range from 4.5 V to 24 V and can provide output voltages up to 22 V in adjustable and fixed modes. The device offers two different types of current-mode control which helps to provide excellent transient response and a high level of accuracy when regulating output voltage. The device also includes an adjustable soft-start feature that allows the user to set the output voltage ramp rate varying from 0.1 ms to 1000 ms.

The LM2771SDX is a fixed-frequency PWM step-down regulator with a wide input voltage range from 2.5 V to 24 V. The device uses current-mode control and adaptive on-time control to provide excellent line and load transient response. It also comes with a fast-transient loop for improved system stability and fast transient response. The device features internal gate drive and external gate drive capabilities, as well as adjustable and fixed output voltage modes.

The LM2771SDX offers high efficiency at various load currents and is capable of delivering up to 4 A of continuous output current. The device also includes a number of protection features to protect against short circuits, overvoltage and overcurrent conditions. The device also comes with EMI reduction circuitry that helps to minimize the impact of electromagnetic interference. It also has a wide switching frequency range of 200 kHz to 2 MHz to enable flexible switching frequency reduction for higher efficiency over a wide range of load currents.

The LM2771SDX is an excellent choice for designers looking for a high-performance, cost-effective solution for their power management needs. With its combination of features, the device provides excellent voltage regulation, fast transient response and high efficiency, making it an ideal solution for applications such as hard disk drives, communications equipment, motherboards, portable/mobile applications and DC/DC power supplies.

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