LP2981IM5-5.0Manufacturer: NS Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| LP2981IM5-5.0,LP2981IM550 | NS | 3855 | In Stock |
Description and Introduction
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  
### **Specifications:**   ### **Descriptions and Features:**   This regulator is commonly used in portable electronics, instrumentation, and embedded systems. |
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Application Scenarios & Design Considerations
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages# Technical Datasheet: LP2981IM550 Low-Dropout Voltage Regulator
## 1. Application Scenarios ### 1.1 Typical Use Cases *  Battery-Powered Devices : Extends battery life in portable electronics (digital cameras, MP3 players, handheld instruments) by maintaining regulation with input voltages as low as 5.3V. ### 1.2 Industry Applications ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### 2.1 Common Design Pitfalls and Solutions *  Pitfall 2: Thermal Overload  *  Pitfall 3: Ground Path Noise  |
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| Partnumber | Manufacturer | Quantity | Availability |
| LP2981IM5-5.0,LP2981IM550 | NATIONAL | 3000 | In Stock |
Description and Introduction
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (now part of Texas Instruments).  
### **Specifications:**   ### **Descriptions and Features:**   This regulator is commonly used in portable electronics, battery-powered devices, and noise-sensitive applications. |
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Application Scenarios & Design Considerations
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages# Technical Documentation: LP2981IM550 Low-Dropout Voltage Regulator
 Manufacturer : NATIONAL SEMICONDUCTOR (now part of Texas Instruments)   --- ## 1. Application Scenarios ### 1.1 Typical Use Cases *    Post-Regulation for Switching Supplies : Cleaning up residual ripple from DC-DC converters to provide a clean 5.5V rail for analog circuits (e.g., op-amps, ADCs, DACs, sensors). ### 1.2 Industry Applications ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  |
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| Partnumber | Manufacturer | Quantity | Availability |
| LP2981IM5-5.0,LP2981IM550 | NS,NS | 1000 | In Stock |
Description and Introduction
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  
### **Specifications:**   ### **Descriptions and Features:**   This regulator is commonly used in portable electronics, battery-powered devices, and noise-sensitive applications. |
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Application Scenarios & Design Considerations
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages# Technical Documentation: LP2981IM550 Low-Dropout Voltage Regulator
 Manufacturer : National Semiconductor (NS)   --- ## 1. Application Scenarios ### 1.1 Typical Use Cases *    Battery-Powered Devices:  Ideal for extending battery life in portable electronics (e.g., handheld meters, medical sensors, wireless peripherals) due to its low quiescent current (typically 75 µA) and low dropout voltage (typically 280 mV at 150 mA load). ### 1.2 Industry Applications ### 1.3 Practical Advantages and Limitations  Advantages:   Limitations:  --- ## 2. Design Considerations ### 2.1 Common Design Pitfalls and Solutions |
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| Partnumber | Manufacturer | Quantity | Availability |
| LP2981IM5-5.0,LP2981IM550 | NSC | 12 | In Stock |
Description and Introduction
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:
### **Specifications:** ### **Descriptions:** ### **Features:** This regulator is commonly used in applications such as power supplies for microcontrollers, sensors, and other low-power circuits. |
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Application Scenarios & Design Considerations
Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages# Technical Documentation: LP2981IM550 Low-Dropout Voltage Regulator
 Manufacturer : National Semiconductor Corporation (NSC)   --- ## 1. Application Scenarios ### Typical Use Cases -  Battery-Powered Devices : Extends battery life by operating with input voltages as low as 5.1V (typical dropout of 100 mV at 50 mA), making it ideal for 5V systems powered by 6V batteries or similar sources. ### Industry Applications ### Practical Advantages and Limitations  Limitations : --- ## 2. Design Considerations ### Common Design Pitfalls and Solutions 2.  Thermal Overload : 3.  Voltage Transients : |
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