The IL1117C-1.8D0T is a low dropout (LDO) positive voltage regulator manufactured by IK Semicon Co., Ltd. It's designed to provide a stable 1.8V output voltage with a low dropout voltage, making it suitable for a wide range of battery-powered and portable applications where efficiency and stable voltage regulation are critical.

Applications

• Portable Electronics: Used in smartphones, tablets, and other handheld devices to regulate power to sensitive components.
• Battery-Powered Devices: Provides stable voltage regulation in battery-operated equipment like wearables, sensors, and IoT devices.
• Microcontroller Power Supplies: Powers microcontrollers and other digital logic circuits in embedded systems.
• Post-Regulation: Used as a post-regulator to further stabilize voltage after a switching regulator.
• Linear Regulators: General purpose linear regulation.

Features

• Fixed Output Voltage: Provides a stable 1.8V output voltage.
• Low Dropout Voltage: Maintains regulation with a low input-to-output voltage differential, maximizing efficiency.
• Output Current: Supports an output current up to 800mA.
• Overcurrent Protection: Includes built-in overcurrent protection to prevent damage from excessive load current.
• Thermal Shutdown Protection: Shuts down the regulator in case of overheating, protecting the device and the load.
• Low Quiescent Current: Minimizes power consumption when the regulator is in standby mode.
• Stable with Ceramic Capacitors: Designed to be stable with low-ESR ceramic output capacitors, reducing the overall size and cost of the solution.

Benefits

• Stable Voltage Regulation: Provides a consistent and reliable 1.8V output, ensuring stable operation of connected devices.
• Improved Efficiency: Low dropout voltage minimizes power loss and extends battery life.
• Protection Features: Overcurrent and thermal shutdown protection safeguard the regulator and the load from damage.
• Low Power Consumption: Low quiescent current reduces overall power consumption in battery-powered applications.
• Simplified Design: Stable with ceramic capacitors, simplifying the design process and reducing component count.

Additional Details

The IL1117C-1.8D0T is typically available in SOT-223 package. It operates over an industrial temperature range. It's designed to be a drop-in replacement for other standard 1117 series regulators. The device requires minimal external components for operation, typically only input and output capacitors. This LDO regulator is well-suited for applications where stable voltage regulation, low power consumption, and protection features are essential.