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LM1771UMM/NOPB from NS,National Semiconductor

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LM1771UMM/NOPB

Manufacturer: NS

Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation 8-VSSOP

Partnumber Manufacturer Quantity Availability
LM1771UMM/NOPB,LM1771UMMNOPB NS 67 In Stock

Description and Introduction

Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation 8-VSSOP The **LM1771UMM/NOPB** is a high-speed, high-side N-channel MOSFET driver manufactured by **Texas Instruments (NS)**.  

### **Key Specifications:**  
- **Supply Voltage Range:** 4.5V to 40V  
- **Peak Output Current:** 1.5A  
- **Propagation Delay:** 30ns (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (Micro Small Outline Package)  
- **Input Logic Compatibility:** TTL/CMOS  

### **Descriptions and Features:**  
- Designed for driving **N-channel MOSFETs** in **high-side configurations**.  
- **Fast switching speeds** with low propagation delay.  
- **Under-voltage lockout (UVLO)** protection to prevent malfunction at low supply voltages.  
- **Low quiescent current** for power efficiency.  
- **Internal charge pump** allows for high-side drive without an external bootstrap capacitor.  
- **ESD protection** for improved reliability.  

This driver is commonly used in **DC-DC converters, motor control, and power management applications**.  

*(Note: "NS" refers to National Semiconductor, which was acquired by Texas Instruments in 2011.)*

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