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LP3971SQ-B410/NOPB from NS,National Semiconductor

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LP3971SQ-B410/NOPB

Manufacturer: NS

Power Management IC (PMIC) for Advanced Application Processors 40-WQFN -40 to 125

Partnumber Manufacturer Quantity Availability
LP3971SQ-B410/NOPB,LP3971SQB410NOPB NS 5302 In Stock

Description and Introduction

Power Management IC (PMIC) for Advanced Application Processors 40-WQFN -40 to 125 The LP3971SQ-B410/NOPB is a power management IC (PMIC) manufactured by Texas Instruments (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Number of Outputs:** 6  
- **Output Voltage Range:** Adjustable and fixed options (e.g., 1.2V, 1.8V, 2.5V, 3.0V, 3.3V)  
- **Output Current:** Up to 300mA per LDO  
- **Quiescent Current:** 60µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin WQFN  

### **Descriptions:**  
- The LP3971SQ-B410/NOPB is a highly integrated PMIC designed for portable applications.  
- It includes multiple low-dropout (LDO) regulators for powering processors, memory, and peripherals.  
- Features dynamic voltage scaling (DVS) for power optimization.  

### **Features:**  
- **Six LDO Regulators:** Three adjustable and three fixed-voltage outputs.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **I²C Interface:** Allows programmable output voltage and enable/disable control.  
- **Power-On Reset (POR):** Ensures proper startup sequencing.  
- **Thermal and Overcurrent Protection:** Enhances reliability.  

This IC is commonly used in smartphones, tablets, and other battery-powered devices.  

(Note: "NS" refers to National Semiconductor, which was acquired by Texas Instruments.)

Partnumber Manufacturer Quantity Availability
LP3971SQ-B410/NOPB,LP3971SQB410NOPB NSC 16237 In Stock

Description and Introduction

Power Management IC (PMIC) for Advanced Application Processors 40-WQFN -40 to 125 The LP3971SQ-B410/NOPB is a power management IC (PMIC) manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 6.5V  
- **Output Voltage:** Adjustable and fixed options available  
- **Number of Outputs:** Multiple (specific count depends on variant)  
- **Package:** QFN (Quad Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - High efficiency  
  - Low dropout (LDO) regulators  
  - Power sequencing control  
  - Thermal shutdown protection  
  - Overcurrent protection  

### **Descriptions:**  
The LP3971SQ-B410/NOPB is designed for portable applications requiring multiple regulated power rails. It integrates LDO regulators and power management functions to optimize battery life and system performance.  

### **Features:**  
- **Flexible Power Management:** Supports multiple voltage rails for processors, memory, and peripherals.  
- **Low Quiescent Current:** Enhances battery life in portable devices.  
- **Programmable Features:** Configurable via I²C interface.  
- **Compact Package:** QFN for space-constrained designs.  

For exact pin configurations and detailed electrical characteristics, refer to the official datasheet.

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