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LP2985AIBPX-2.9 from NS,National Semiconductor

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15.625ms

LP2985AIBPX-2.9

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP2985AIBPX-2.9,LP2985AIBPX29 NS 4492 In Stock

Description and Introduction

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2985AIBPX-2.9 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Key Specifications:**  
- **Output Voltage:** 2.9V (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:** 70dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (Surface Mount)  

### **Features:**  
- Ultra-low dropout performance  
- Low ground current for improved efficiency  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Low noise output  
- Designed for battery-powered applications  

### **Applications:**  
- Portable/battery-powered devices  
- Post-regulation for switching supplies  
- Microcontroller power supply  
- Industrial and consumer electronics  

This regulator is optimized for space-constrained and power-sensitive applications.

Partnumber Manufacturer Quantity Availability
LP2985AIBPX-2.9,LP2985AIBPX29 NATIONAL 2500 In Stock

Description and Introduction

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2985AIBPX-2.9 is a low-dropout (LDO) voltage regulator manufactured by **National Semiconductor** (now part of Texas Instruments).  

### **Key Specifications:**  
- **Output Voltage:** 2.9V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.5V to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **High Accuracy:** ±1% (over line, load, and temperature)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Description & Features:**  
- Designed for **battery-powered applications** requiring stable voltage regulation.  
- **Low noise** and **low dropout** performance suitable for portable electronics.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- **Thermal shutdown** prevents damage from overheating.  
- **Current limiting** protects against short circuits.  
- **Low ground current** enhances efficiency in power-sensitive designs.  

This regulator is commonly used in **consumer electronics, medical devices, and industrial applications** where precise voltage regulation is critical.

Partnumber Manufacturer Quantity Availability
LP2985AIBPX-2.9,LP2985AIBPX29 NSC 3827 In Stock

Description and Introduction

Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2985AIBPX-2.9 is a low-dropout (LDO) voltage regulator manufactured by NSC (National Semiconductor Corporation). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 2.9V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 80mV (typical at 50mA load)  
- **Input Voltage Range:** 2.5V to 16V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOT-223 (4-pin)  

### **Descriptions:**
- The LP2985AIBPX-2.9 is a precision LDO regulator designed for battery-powered applications.  
- It provides stable voltage regulation with very low dropout and quiescent current.  
- Features built-in protection against reverse battery, overcurrent, and overtemperature conditions.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **High Accuracy:** ±1% output voltage tolerance.  
- **Thermal Shutdown Protection:** Prevents damage from excessive heat.  
- **Current Limit Protection:** Safeguards against short circuits.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.  

This regulator is commonly used in portable electronics, battery-powered devices, and precision analog circuits.

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