The R1130H301B-T1 is a CMOS-based voltage regulator manufactured by Ricoh Electronic Devices Co., Ltd. Similar to other members of the R1130 series, it's designed for portable applications requiring low power consumption and high accuracy. This particular voltage regulator offers a precise and stable output voltage, excellent ripple rejection, and compact size, making it ideal for various battery-powered devices and sensitive electronic circuits.

Applications

• Smartphones and Tablets: Providing stable voltage to critical components like microprocessors, memory chips, and display controllers.
• Wearable Technology: Powering sensitive circuits in smartwatches, fitness trackers, and other wearable devices where power efficiency is paramount.
• Portable Audio Devices: Ensuring clean and stable power for audio amplifiers and digital signal processors in MP3 players and portable speakers.
• Wireless Communication Modules: Regulating the voltage supply for Bluetooth, Wi-Fi, and other wireless modules to ensure reliable connectivity.
• IoT (Internet of Things) Devices: Powering sensors, microcontrollers, and communication modules in IoT devices for smart homes, industrial automation, and environmental monitoring.

Features

• Low Dropout Voltage: Operates with a low dropout voltage, allowing it to maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• High Ripple Rejection: Provides high ripple rejection, minimizing the impact of input voltage fluctuations on the output voltage.
• Low Quiescent Current: Consumes very little current when in operation, contributing to longer battery life in portable devices.
• Overcurrent Protection (OCP): Includes built-in overcurrent protection to prevent damage to the regulator and connected components in case of a short circuit or excessive current draw.
• Thermal Shutdown Protection (TSD): Features thermal shutdown protection, automatically disabling the regulator if it overheats to prevent damage.
• Small Package Size: Available in a compact package, making it suitable for space-constrained applications.

Benefits

• Stable and Accurate Output Voltage: Delivers a precise and stable output voltage, ensuring reliable operation of connected electronic components.
• Extended Battery Life: Low power consumption and low dropout voltage contribute to longer battery life in portable devices.
• Protection Against Overload and Overheating: Overcurrent and thermal shutdown protection features protect the regulator and connected components from damage.
• Improved Signal Quality: High ripple rejection minimizes noise and voltage fluctuations, improving the quality of signals in sensitive electronic circuits.
• Ease of Integration: Small package size and simple external components requirement make it easy to integrate into various electronic designs.

Additional Details

The R1130H301B-T1 provides a 3.0V output (as indicated by "301"). The specific input voltage range, output current capability, and package type (e.g., DFN, SOT) are detailed in the Ricoh datasheet. Typically, the input voltage range is slightly above the output voltage, and the output current is limited to a few hundred milliamperes. The datasheet also specifies the operating temperature range, voltage accuracy, and ripple rejection performance.