LP3985IM5X-2.5Manufacturer: NS Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| LP3985IM5X-2.5,LP3985IM5X25 | NS | 12000 | In Stock |
Description and Introduction
Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5X-2.5 is a low-dropout (LDO) voltage regulator manufactured by NS (National Semiconductor). Here are its key specifications, descriptions, and features:
### **Specifications:** ### **Descriptions:** ### **Features:** This information is based on the manufacturer's datasheet for the LP3985IM5X-2.5. |
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Application Scenarios & Design Considerations
Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator# Technical Documentation: LP3985IM5X25 Ultra-Low Noise, 150mA CMOS LDO Voltage Regulator
 Manufacturer : National Semiconductor (NS) --- ## 1. Application Scenarios The LP3985IM5X25 is a high-performance, ultra-low dropout (LDO) linear voltage regulator designed for noise-sensitive, power-efficient portable and embedded systems. Its combination of low noise, high PSRR, and small footprint makes it suitable for a wide range of applications. ### 1.1 Typical Use Cases *    RF and Analog Circuit Power Supply : The LP3985's ultra-low output noise (typically 30µVrms, 10Hz to 100kHz) and excellent power supply rejection ratio (PSRR) (typically 70dB at 1kHz) make it ideal for powering sensitive RF transceivers, VCOs, PLLs, and precision analog front-ends (AFEs) in wireless communication modules (Wi-Fi, Bluetooth, Zigbee), GPS receivers, and IoT sensor nodes. It prevents switching noise from upstream DC-DC converters from degrading signal integrity. ### 1.2 Industry Applications *    Consumer Electronics : Smartphones, tablets, digital TV set-top boxes, audio/video equipment. ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  |
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