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LP2985IBPX-2.8 from NATIONAL,National Semiconductor

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LP2985IBPX-2.8

Manufacturer: NATIONAL

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages

Partnumber Manufacturer Quantity Availability
LP2985IBPX-2.8,LP2985IBPX28 NATIONAL 33000 In Stock

Description and Introduction

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2985IBPX-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:** 300mV (typical at full load)  
- **Input Voltage Range:** Up to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **Low Shutdown Current:** <1µA  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Ultra-low dropout performance for extended battery life.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR (Power Supply Rejection Ratio).  
- Suitable for portable devices, embedded systems, and power-sensitive applications.  

This regulator is optimized for space-constrained designs due to its small SOT-23-5 package.

Partnumber Manufacturer Quantity Availability
LP2985IBPX-2.8,LP2985IBPX28 NS 3748 In Stock

Description and Introduction

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2985IBPX-2.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 2.8V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 60dB at 1kHz  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Package:** SOT-223 (IBPX)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Ultra-low dropout performance for extended battery life.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR make it suitable for noise-sensitive applications.  
- Thermal shutdown and current limit protection ensure safe operation.  
- Ideal for portable electronics, microcontrollers, and power-sensitive devices.  

This regulator is part of Texas Instruments' LP2985 series, known for reliability and efficiency in space-constrained designs.

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