RP505K121A-TR - Nisshinbo Micro Devices Inc.

Manufacturer Part Number

RP505K121A-TR

Manufacturer

Ricoh

Introduction

The Ricoh RP505K121A-TR is a high-efficiency, step-down, synchronous DC-DC switching regulator that provides a fixed 1.2V output voltage from an input voltage range of 2.3V to 5.5V. It features low quiescent current, fast transient response, and excellent line and load regulation, making it ideal for powering a variety of low-power applications.

Product Features and Performance

Input Voltage Range: 2.3V to 5.5V

Output Voltage: 1.2V fixed

Output Current: 1A

Switching Frequency: 2.25MHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C to 85°C

High Efficiency: Up to 93%

Low Quiescent Current: 28μA (typical)

Fast Transient Response

Excellent Line and Load Regulation

Product Advantages

High-efficiency power conversion

Compact size and surface-mount packaging

Robust operating temperature range

Reliable synchronous rectification

Low quiescent current for extended battery life

Key Reasons to Choose This Product

Optimized for low-power applications

Excellent power conversion efficiency

Flexible input voltage range

Reliable and robust performance

Space-saving surface-mount design

Quality and Safety Features

Overcurrent protection

Thermal shutdown

Short-circuit protection

Compatibility

Suitable for a wide range of electronic devices and systems requiring a stable 1.2V power supply.

Application Areas

Portable electronics

Wearable devices

Industrial control systems

Wireless communication modules

IoT (Internet of Things) applications

Product Lifecycle

The Ricoh RP505K121A-TR is an active product, and there are currently no plans for discontinuation. There are several alternative models available, such as the RP505K122A-TR (1.8V output) and the RP505K123A-TR (2.5V output), which can be considered if the 1.2V output is not suitable for your application. For more information or assistance, please contact our website's sales team.