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LM2742MTC from NSC,National Semiconductor

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LM2742MTC

Manufacturer: NSC

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages

Partnumber Manufacturer Quantity Availability
LM2742MTC NSC 4000 In Stock

Description and Introduction

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages The LM2742MTC is a synchronous buck regulator controller manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 15V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** Adjustable from 100kHz to 1MHz  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TSSOP-16  

### **Descriptions:**  
The LM2742MTC is a high-performance synchronous buck regulator controller designed to drive N-channel MOSFETs in a step-down DC-DC converter configuration. It provides high efficiency and precise output voltage regulation.  

### **Features:**  
- **Adjustable Output Voltage**  
- **Programmable Soft-Start**  
- **Precision Reference (0.8V ±1.5%)**  
- **Current Mode Control**  
- **Under-Voltage Lockout (UVLO)**  
- **Thermal Shutdown Protection**  
- **Synchronizable Switching Frequency**  
- **Power Good Indicator**  

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LM2742MTC NS 3466 In Stock

Description and Introduction

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages The LM2742MTC is a high-speed synchronous buck regulator controller manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Input Voltage Range:** 4.5V to 15V  
- **Output Voltage Range:** 0.6V to 5.5V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP  

**Descriptions:**  
- The LM2742MTC is designed for high-efficiency DC-DC conversion applications.  
- It features a voltage-mode control architecture with adjustable switching frequency.  
- The device includes an integrated high-side MOSFET driver and requires an external low-side MOSFET.  
- It supports pre-biased output startup and has soft-start functionality.  

**Features:**  
- Adjustable output voltage via external resistors  
- Precision 0.6V reference voltage (±1.5% accuracy)  
- Programmable soft-start  
- Power-good output monitor  
- Overcurrent protection with hiccup mode  
- Under-voltage lockout (UVLO)  
- Synchronizable to an external clock  

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

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