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Linear Regulators (LDO)

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Technical Documentation

Linear Regulators (LDO) provide an optimum solution for low power, space conscious and low noise design requirements. The simplicity of design and few external components make them easy to integrate into the final product. This broad portfolio features high PSRR, low noise, low quiescent current (Iq), low dropout and wide input voltage range. As a market leader, we provide parts that offer industries best performance with a robust design and high quality manufacturing. Package options include the smallest size in the industry to the larger power packages providing an ideal solution for automotive, industrial and consumer applications.

Product Family

Automotive Linear Regulators (LDO)

Offers a robust design with AEC-Q100 and PPAP support. High voltage battery connected and low voltage post regulation with a wide temperature range, up to +150°C.

Industrial Linear Regulators (LDO)

A wide input voltage range and a long product support lifecycle. Provides high accuracy and excellent line/load transient regulation.

Consumer Linear Regulators (LDO)

Industry leading performance combined with smallest packaging options and easy design implementation.

Ultra High PSRR LDO

Blocks input voltage from upstream SMPS or other noise generating environment.

Ultra Low Noise LDO

Provides a clean power supply with increased accuracy and filters noise from upstream SMPS.

Low Dropout LDO

High efficiency operation with very low input-to-output voltage differential (dropout).

Low Quiescent (Iq) LDO

Low Iq allows for efficient consumption of power in operational and inactive application modes, thus extending battery life.

Wide Input Voltage LDO

Wide Vin LDO’s allow from 10 V to 700 V on the input for applications with high power or high voltage regulation requirements.

Voltage Regulator

Robust and reliable linear voltage regulators with Vin up to 40 V.

Featured New Products

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LDO Regulator, 1.2 A

Offers low quiescent current consumption, low dropout voltage, low output noise and very good PSRR.

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LDO Regulator, 150 mA

Offers very low quiescent current, fast transient response and high input and output voltage ranges.

Related Resources

Automotive Imaging Power Architecture and Design Overview Tutotrial Thumbnail

Application Note

Automotive Imaging Power Architecture and Design

Imaging system input and intermediate voltages play a critical role in total system efficiency, performance, and component selection. Proper selection of these voltages depend on multiple system variables, such as: total power consumption of the image sensor/ISP, regulator efficiency, and resistance of the coax cable and filter.

Choosing the Right Linear Voltage Regulator Overview Tutotrial Thumbnail

Application Note

A Guide to Choosing the Right Ultra - Low IQ Low Dropout Linear Voltage Regulators

One of the most important challenges today in designing electronic applications is to minimize the power consumption of the system. To accomplish this, most systems utilize various low power modes which help to minimize the overall power consumption.

LDO Regulator, Dual Mode Ultra Low Iq Overview Tutotrial Thumbnail

Design Note

NCP171- LDO Regulator, Dual Mode Ultra Low Iq

The fast growth of battery powered wireless IoT devices has created a major design challenge for designers in achieving the 10-year battery life objective. A common approach to extending battery life has been to take advantage of the dual mode operation


Automotive LED RGB Lighting Evaluation Board with NCV7685 Drivers, NVC8170 LDO, and RSL10 SiP

How to Achieve a 10 Year Battery Life in Medical, Surveillance, and Agriculture IoT Applications

NCP16x and NCV816x High PSRR LDO Regulator Introduction and Automotive Imaging Use Case

Multi-LDO Evaluation Board | Strata

Related Articles


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What is LDO Noise? - Part I


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What is Integral Noise? - Part II


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What is PSRR? - Part III

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