The S-1172B18-U5T1GF is a positive voltage regulator manufactured by SII Semiconductor Corporation. It is designed to provide a stable 1.8V output voltage with high accuracy. The device boasts low current consumption and is packaged in a small form factor, making it well-suited for portable and space-constrained applications. It also includes overcurrent and thermal shutdown protection to enhance reliability.

Applications

• Smartphones and Tablets: Powering core processors, memory, and peripheral devices.
• Wearable Devices: Providing stable voltage for sensors, displays, and communication ICs.
• IoT Devices: Voltage regulation for microcontrollers, sensors, and wireless communication modules.
• Battery-Powered Equipment: Supplying regulated voltage for portable instruments and medical devices.
• Wireless Communication Modules: Powering Bluetooth, Wi-Fi, and other wireless chips.

Features

• Output Voltage: Fixed 1.8V output.
• High Accuracy: Precise voltage regulation with minimal deviation from the target output.
• Low Current Consumption: Minimizes power losses, extending battery life.
• Input Voltage Range: Operates with a wide range of input voltages to accommodate various power sources.
• Overcurrent Protection: Protects the regulator and downstream circuits from damage due to excessive current draw.
• Thermal Shutdown Protection: Prevents overheating and potential damage by shutting down the regulator when temperature exceeds a safe threshold.
• Small Package: Compact package for space-saving designs.

Benefits

• Stable Power Supply: Ensures consistent and reliable operation of connected devices.
• Extended Battery Life: Low current consumption maximizes battery runtime in portable applications.
• Protection Against Damage: Overcurrent and thermal shutdown features provide robust protection against potential failures.
• Compact Design: Small package footprint allows integration into space-constrained devices.
• Simplified Design: Fixed output voltage simplifies circuit design.

Additional Details

The S-1172B18-U5T1GF employs a low-dropout (LDO) architecture, which allows it to maintain a stable output voltage even when the input voltage is close to the output voltage. This is particularly advantageous in battery-powered applications. The regulator is available in a small SOT-23-5 package, facilitating integration into compact designs. Refer to the manufacturer's datasheet for comprehensive electrical characteristics, including input voltage range, output voltage accuracy, and current consumption specifications.