The LTC3805EMSE-5#TRPBF is a high-performance, constant-frequency, current mode step-down DC/DC controller designed by Linear Technology. This advanced power management integrated circuit (IC) is ideal for converting a high voltage input to a lower voltage output with outstanding efficiency. It is especially suitable for applications in telecommunications, industrial systems, and portable devices that require precise voltage regulation and high power efficiency.

Key Features

• Wide Input Voltage Range: Capable of handling input voltages from 4V to 60V, making it versatile for various power supply scenarios.
• Adjustable Operating Frequency: The operating frequency can be set from 100kHz to 500kHz with an external resistor or synchronized to an external clock.
• No RSENSE™ Operation: Eliminates the need for a current sense resistor by utilizing the voltage drop across the inductor (DCR) or a sense resistor for current sensing.
• High Efficiency: Its low quiescent current and high efficiency are maintained over a wide output current range, which is crucial for battery-powered systems.
• Stable with Low ESR Output Capacitors: This controller is stable with ceramic, tantalum, and aluminum electrolytic capacitors, offering design flexibility.
• Thermal Protection: Includes over-temperature protection that safeguards the IC under extreme thermal conditions.

Applications

The LTC3805EMSE-5#TRPBF is a versatile component used in a wide array of applications, including:

• Telecommunications infrastructure
• Industrial systems and controls
• Automotive power systems
• Distributed power systems
• Battery-powered devices

Quality and Reliability

Linear Technology ensures that the LTC3805EMSE-5#TRPBF meets the highest quality and reliability standards. The device is available in a thermally enhanced MSOP-16 package, which provides efficient heat dissipation. It is also RoHS compliant and lead-free, catering to environmentally conscious applications and regulations.

Ordering Information

The LTC3805EMSE-5#TRPBF comes in tape and reel packaging for automated assembly processes, making it ideal for high-volume production environments. The part number suffix 'TRPBF' indicates tape and reel packaging with lead-free finish.