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NCP3985SN33T1G from ON,ON Semiconductor

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NCP3985SN33T1G

Manufacturer: ON, LINEAR

Micropower, 150 mA Low-Noise, High PSRR, Ultra-Low Dropout BiCMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
NCP3985SN33T1G ON, LINEAR 6100 In Stock

Description and Introduction

Micropower, 150 mA Low-Noise, High PSRR, Ultra-Low Dropout BiCMOS Voltage Regulator # Introduction to the NCP3985SN33T1G Voltage Regulator  

The NCP3985SN33T1G is a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable power in a wide range of electronic applications. Manufactured by ON Semiconductor, this component provides a fixed output voltage of 3.3V with a maximum output current of 500mA, making it suitable for powering microcontrollers, sensors, and other low-power devices.  

Featuring a low dropout voltage of 240mV at full load, the NCP3985SN33T1G ensures efficient operation even when the input voltage is close to the output level. Its low quiescent current (typically 60µA) enhances energy efficiency, making it ideal for battery-powered systems. Additionally, the regulator includes built-in protection features such as thermal shutdown and current limiting, improving reliability in demanding environments.  

The device comes in a compact SOT-23-5 package, offering space-saving benefits for modern PCB designs. With its stable performance under varying load conditions and minimal external component requirements, the NCP3985SN33T1G is a versatile solution for power management in consumer electronics, industrial controls, and IoT applications.  

Engineers seeking a reliable, compact, and efficient LDO regulator will find the NCP3985SN33T1G a practical choice for their designs.

Application Scenarios & Design Considerations

Micropower, 150 mA Low-Noise, High PSRR, Ultra-Low Dropout BiCMOS Voltage Regulator

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar current capability and pin-compatible footprint, widely available and well documented.
  • MIC5205-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 with comparable dropout and output current, suitable drop-in replacement for many ON LDO designs.
  • AP2112K-3.3TRG1 --: 3.3V CMOS LDO in SOT-23-5 offering similar performance and low quiescent current, a cost-effective alternative from a different series.

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