The LM1085R-1.8 is a low dropout (LDO) positive voltage regulator manufactured by TAEJIN / HTC Korea. This regulator provides a fixed 1.8V output voltage with a maximum output current of 3A. It's designed to maintain a stable output voltage even when the input voltage is close to the output voltage, making it suitable for applications where power efficiency and low voltage operation are critical.

Applications

• Post Regulator for Switching Power Supplies
• Battery-Powered Devices
• Microprocessor Power Supplies
• Portable Equipment
• High Efficiency Linear Regulators

Features

• Fixed Output Voltage: 1.8V
• Maximum Output Current: 3A
• Low Dropout Voltage: Typically 1.3V at 3A
• Short Circuit Protection
• Thermal Overload Protection
• Operating Temperature Range: -40°C to +125°C
• Available in TO-252 Package

Benefits

• Fixed Output Voltage: Provides a stable and precise 1.8V output, simplifying design and eliminating the need for external components.
• High Current Output: Capable of delivering up to 3A of current, suitable for powering various electronic devices.
• Low Dropout Voltage: Ensures efficient operation even with a small difference between input and output voltages.
• Robust Protection: Includes short circuit and thermal overload protection, enhancing reliability.
• Wide Operating Temperature Range: Suitable for a variety of environments.

Additional Details

The LM1085R-1.8 comes in a TO-252 package, ideal for surface mount applications. It requires minimal external components for stable operation. The low dropout voltage characteristic allows the regulator to function effectively with a low input voltage, improving overall system efficiency, particularly in battery-powered applications. It is commonly used in devices such as smartphones, tablets, and other portable electronics requiring a stable 1.8V supply.