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LP3985IBPX-3.0 from NS,National Semiconductor

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LP3985IBPX-3.0

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3985IBPX-3.0,LP3985IBPX30 NS 14930 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBPX-3.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Key Specifications:**  
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 150mV (typical) at 100mA load  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  

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

This LDO is designed for portable and battery-powered applications requiring stable, low-noise voltage regulation.

Partnumber Manufacturer Quantity Availability
LP3985IBPX-3.0,LP3985IBPX30 NSC 2500 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBPX-3.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR (Power Supply Rejection Ratio):** 60dB at 1kHz  
- **Low Noise:** 30µVRMS (typical)  
- **Thermal Shutdown & Current Limit Protection:** Yes  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions & Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Ultra-low dropout performance enhances efficiency.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Fast transient response for dynamic load conditions.  
- Thermal shutdown and current limit protection ensure device safety.  
- Suitable for portable electronics, wireless devices, and embedded systems.  

(Source: National Semiconductor Datasheet)

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