Single Output

Offering single output regulators with a Vin ≤ 6.5V.

Multiple Output

Offering both dual output regulators with a Vin ≤ 5.5V and multiple output linear regulator controllers.

Wide Vin

Vin ≤ 80V for applications requiring wide input range and high input voltage.

Low Iq

For applications requiring long standby time and running in burst mode conditions.

Low Noise & High PSRR

For noise-sensitive system to filter out input ripple and provide low noise/high PSRR at the output.

Automotive & Industrial

The AEC-Q100 qualified LDOs and LDOs operating in wide temperature ratings are ideal for automotive and industrial applications.

Want to know more? Please see LDO Selection Criteria.

Documents and Tools

Selection Guides

Richtek Automotive Product Selection Guide 2025

Finding the right product for your automotive applications.

Richtek Product Selection Guide [Jan., 2024]

Start your project with our power solutions in no time.

Richtek Featured Product Tree [Aug., 2023]

Accelerate your product search with lists of featured products.

Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications [Sep., 2018]

Power Mangement Components for Lithium-Ion Battery Powered Applications [Oct., 2015]

Application Notes

Title Date Action
Power Management Introduction 2014/11/01

Single Output

Title Date Action
Multi-Source Power Management Design 2022/04/26

Automotive & Industrial

Title Date Action
Wide Input Voltage LDO RT9068 for Automotive and Industrial Applications 2014/11/03
Powering Microcontrollers from Industrial Supply Rails 2014/05/02