LD6805K/12P,115

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The LD6805K/12P,115 is a linear voltage regulator belonging to the PMIC - Voltage Regulators - Linear family. It is a fully integrated step-down regulator with a wide input voltage range from 8.5V-12V and output voltage from 1.2V-6V, capable of delivering up to 1.5A current, with a fixed output voltage or adjustable voltage controlled by direct output voltage or external resistors. This regulator is ideal for voltage regulation and power management in a wide range of applications such as automotive, industrial, military, wireline/wireless communication, audio, and portable/mobile devices.

Features

The LD6805K/12P,115 provides a range of features including:

• High Switching Frequency
• Programmable Switching Frequency
• 3A Peak Current Limit
• Integrated Soft Start for Smooth Start-up
• High Efficiency Synchronous Rectified Step-down Regulator
• On/Off Control
• Under-Voltage Lockout
• Over Temperature Protection
• Over Current Protection
• Under Current Protection
• Output Short Circuit Protection

Application Fields

The LD6805K/12P,115 is a linear voltage regulator suitable for a wide range of applications, including:

• Automotive systems
• Industrial systems
• Military systems
• Wireless/Wired Communication Systems
• Audio amplifiers
• Portable/Mobile Devices
• Network Power Design
• Battery Powered Systems
• High Current Battery Charging
• Energy Saving for Smart Home

Working Principle

The LD6805K/12P,115 is a step-down regulator based on the buck topology. This regulator has an integrated pulse width modulator that utilizes a tight loop control with 200kHz switching frequency to provide fast transient response and tight accuracy at the output voltage. This regulator also features a soft start function to ensure smooth start-up for the device. It has an integrated low-dropout linear regulator that consumes very little power and provides very low output noise. The LD6805K/12P,115 is also equipped with a variety of protection features, such as overcurrent protection, over temperature protection, undervoltage lockout, output short circuit protection, and current limit protection.

The LD6805K/12P,115 is a highly efficient and reliable linear voltage regulator that is ideal for a wide variety of applications.

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