LTC3887EUJ#TRPBF

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LTC3887EUJ#TRPBF is a high efficiency, high frequency synchronous monolithic step-down switching regulator with internal power MOSFETs. This powerful step-down switching regulator is a complete switchmode power supply suitable for non-isolated outputvoltages from 1.5V to 6.5V from a 3V to 18V input range. It incorporates user adjustable slope compensation and allows for the selection of either a Pulse Width Modulation (PWM) or a Pulse Frequency Modulation (PFM) operating mode.

PMIC - Voltage Regulators - DC DC Switching Controllers

LTC3887EUJ#TRPBF is a PWM/PFM, step-down DC/DC switching controller combining high efficiency, high frequency operation and robust features that help make it the ideal choice for today\'s sophisticated power supply designs. This high efficiency, high frequency synchronous monolithic step-down switching regulator incorporates precision differential sensing and current mode with Constant Frequency Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM). The LTC3887EUJ#TRPBF offers programmable valley current mode to ensure superior line and load transient response. The valley current limit is independently adjustable to optimize the efficiency and reduce external component count.

The LTC3887EUJ#TRPBF operates over a wide input range of 3V to 18V, making it suitable for industrial, PLC, and other applications. The device features an internally fixed frequency of 105kHz. The device\'s switching frequency can be easily controlled by an external resistor, allowing the user to achieve very low noise, system dependent optimum operating frequency.

The LTC3887EUJ#TRPBF is an attractive choice for many applications requiring efficient, low noise, reliable power supplies such as Server and Cloud Computing, Automotive EVs, Networking, Avionics and Industrial Control. The LTC3887EUJ#TRPBF supports regulated output voltages from 1.5V to 6.5V with ±2% accuracy, offering a solution for a wide range of power supply design applications.

The LTC3887EUJ#TRPBF provides easy to use over-current protection with adjustable foldback current limit. The device also features over temperature protection, and short-cycle shutdown protection. These features provide robustness, helping to make sure the design is reliable and robust. In addition, the LTC3887EUJ#TRPBF uses peak current mode architecture and allows external slope compensation for fast line and load transient response.

The LTC3887EUJ#TRPBF features safe-start, allowing the system to start up quickly and reliably. The device also supports synchronization via an external low voltage oscillator that allows the regulator to be synchronized with other system components. In addition, the device includes a shutdown input, so the power can be smoothly and gracefully turned off without disturbing the system.

The LTC3887EUJ#TRPBF is housed in a thin 16-lead (4mm × 4mm) QFN package and is available in the extended temperature range version (–40°C to 125°C). It is suitable for a variety of demanding applications such as automotive EV, server and cloud computing, networking, avionics, and industrial control.

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