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LP3999ITL-1.5 from national,National Semiconductor

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LP3999ITL-1.5

Manufacturer: national

Low Noise 150mA Voltage Regulator for RF/Analog Applications.

Partnumber Manufacturer Quantity Availability
LP3999ITL-1.5,LP3999ITL15 national 313 In Stock

Description and Introduction

Low Noise 150mA Voltage Regulator for RF/Analog Applications. The part **LP3999ITL-1.5** is a low-dropout (LDO) voltage regulator manufactured by **Texas Instruments (National Semiconductor)**.

### **Manufacturer Specifications:**  
- **Manufacturer:** Texas Instruments (formerly National Semiconductor)  
- **Output Voltage:** 1.5V  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** Typically 200mV at full load  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Package Type:** SOT-23-5  
- **Quiescent Current:** Typically 75µA  
- **Features:**  
  - Low dropout voltage  
  - Low quiescent current  
  - Thermal shutdown protection  
  - Short-circuit protection  
  - Stable with low-ESR ceramic capacitors  

### **Description:**  
The **LP3999ITL-1.5** is a high-performance LDO regulator designed for battery-powered applications requiring low noise and high efficiency. It provides a fixed 1.5V output with excellent line and load regulation.  

### **Features:**  
- **Low Noise:** Optimized for noise-sensitive applications  
- **High PSRR:** Good power supply ripple rejection  
- **Thermal & Overcurrent Protection:** Enhances reliability  
- **Wide Input Range:** Suitable for various power sources  
- **Small Footprint:** SOT-23-5 package for space-constrained designs  

This regulator is commonly used in portable electronics, IoT devices, and embedded systems.

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