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LP3985ITLX-2.8 from NATIONAL,National Semiconductor

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LP3985ITLX-2.8

Manufacturer: NATIONAL

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3985ITLX-2.8,LP3985ITLX28 NATIONAL 37500 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985ITLX-2.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 2.8V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 120mV (typical) at 100mA load  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Features:**  
- Ultra-low dropout voltage  
- Low quiescent current  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Fast transient response  
- RoHS-compliant  

This regulator is designed for battery-powered and noise-sensitive applications such as portable devices, wireless systems, and embedded electronics.  

(Source: National Semiconductor/Texas Instruments datasheet)

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