LP3985IM5-3.0Manufacturer: NATIONAI Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| LP3985IM5-3.0,LP3985IM530 | NATIONAI | 40 | In Stock |
Description and Introduction
Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5-3.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (now part of Texas Instruments). Below are its key specifications, descriptions, and features:
### **Specifications:**   ### **Descriptions:**   ### **Features:**   This regulator is commonly used in portable electronics, wireless devices, and embedded systems. |
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Application Scenarios & Design Considerations
Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator# Technical Documentation: LP3985IM530 Ultra-Low Noise, High PSRR, 150mA CMOS Voltage Regulator
 Manufacturer : NATIONAL SEMICONDUCTOR (now part of Texas Instruments) --- ## 1. Application Scenarios The LP3985IM530 is a high-performance, ultra-low dropout (ULDO) CMOS voltage regulator designed for noise-sensitive, battery-powered portable electronics and precision analog circuits. Its combination of low noise, high power supply rejection ratio (PSRR), and low quiescent current makes it suitable for applications where clean, stable voltage rails are critical. ### 1.1 Typical Use Cases *    RF and Wireless Communication Modules:  Provides a clean, stable supply voltage for voltage-controlled oscillators (VCOs), phase-locked loops (PLLs), low-noise amplifiers (LNAs), and RF transceivers in devices such as smartphones, Wi-Fi modules, Bluetooth headsets, and GPS receivers. The low output noise (~30µVrms typical) prevents phase noise degradation and spurious signals. ### 1.2 Industry Applications *    Consumer Electronics:  Smartphones, tablets, wearable devices, digital cameras, portable gaming consoles. ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  |
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