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LM5025MTCX from NS,National Semiconductor

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LM5025MTCX

Manufacturer: NS

Active Clamp Voltage Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5025MTCX NS 2021 In Stock

Description and Introduction

Active Clamp Voltage Mode PWM Controller The LM5025MTCX is a high-voltage PWM controller manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Input Voltage Range:** 14V to 100V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Duty Cycle Range:** Up to 90%  
- **Output Drive Current:** 1A (peak)  
- **Switching Topology:** Supports buck, flyback, and forward converters  
- **Package Type:** TSSOP-16 (MTCX)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Features:**  
  - High-voltage startup regulator (up to 100V)  
  - Programmable soft-start  
  - Cycle-by-cycle current limiting  
  - Adjustable line undervoltage lockout (UVLO)  
  - Error amplifier with reference voltage  
  - Synchronization capability  

### **Descriptions and Features:**  
The LM5025MTCX is designed for high-voltage DC-DC converter applications. It integrates a high-voltage startup regulator, eliminating the need for an external bias supply. The device supports multiple switching topologies, including buck, flyback, and forward converters.  

Key features include:  
- **Wide Input Voltage Range (14V–100V):** Suitable for industrial and automotive applications.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Protection Features:** Includes UVLO, thermal shutdown, and cycle-by-cycle current limiting.  
- **Flexible Control:** Supports voltage-mode PWM control with an integrated error amplifier.  

This controller is commonly used in power supplies, telecom systems, and industrial power management.  

(Note: Always refer to the official datasheet for detailed specifications.)

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