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LM5118Q1MH from NS,National Semiconductor

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LM5118Q1MH

Manufacturer: NS

Wide Voltage Range Buck-Boost Controller

Partnumber Manufacturer Quantity Availability
LM5118Q1MH NS 80 In Stock

Description and Introduction

Wide Voltage Range Buck-Boost Controller The LM5118Q1MH is a synchronous buck controller manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 75V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable (100kHz to 1MHz)  
- **Maximum Duty Cycle:** 99%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-Pin HTSSOP (PowerPAD™)  
- **Control Method:** Peak Current Mode Control  
- **Gate Drive Voltage:** 7V (for external MOSFETs)  
- **Protection Features:**  
  - Overcurrent Protection  
  - Thermal Shutdown  
  - Undervoltage Lockout (UVLO)  

### **Descriptions:**  
The LM5118Q1MH is a high-voltage buck controller designed for regulating low-voltage power supplies from high-voltage inputs. It supports synchronous rectification for improved efficiency and includes adjustable frequency and soft-start features.  

### **Features:**  
- Wide input voltage range (4.5V to 75V)  
- Adjustable switching frequency (100kHz to 1MHz)  
- Synchronous rectification for high efficiency  
- Integrated high-side and low-side gate drivers  
- Programmable soft-start  
- Precision reference voltage (0.8V ±1%)  
- Adaptive dead-time control  
- PowerPAD™ package for enhanced thermal performance  

This information is based solely on the manufacturer's datasheet.

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