LP3985IM5-2.8Manufacturer: NSC Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| LP3985IM5-2.8,LP3985IM528 | NSC | 61000 | In Stock |
Description and Introduction
Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5-2.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC). Here are its key specifications, descriptions, and features:
### **Specifications:** ### **Descriptions:** ### **Features:** This information is based on the manufacturer's datasheet for the LP3985IM5-2.8 from National Semiconductor (NSC). |
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Application Scenarios & Design Considerations
Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator# Technical Documentation: LP3985IM528 Ultra-Low Noise, High PSRR, 150mA CMOS Voltage Regulator
 Manufacturer : National Semiconductor Corporation (NSC) --- ## 1. Application Scenarios The LP3985IM528 is a high-performance, ultra-low dropout (ULDO) CMOS voltage regulator designed for noise-sensitive, battery-powered portable electronics and precision analog systems. Its combination of low noise, high power supply rejection ratio (PSRR), and low quiescent current makes it suitable for a range of demanding applications. ### Typical Use Cases *    RF/Analog Power Supply Conditioning:  The primary use case is providing a clean, stable voltage rail to noise-sensitive blocks. This includes: *    Battery-Powered Portable Devices:  Its low dropout voltage (~120mV typical at 150mA) and low ground current (~75µA typical) maximize battery life and allow operation down to near the battery's end-of-discharge voltage. *    Noise Filtering for Digital ICs:  Supplies core voltages or I/O voltages for digital signal processors (DSPs), field-programmable gate arrays (FPGAs), or application processors where digital switching noise must be isolated from shared power planes. ### Industry Applications *    Consumer Electronics:  Smartphones, tablets, digital cameras, audio players, and wireless headphones. ### Practical Advantages and Limitations  Advantages:   Limitations:  |
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