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LM5025AMTCX from NS,National Semiconductor

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LM5025AMTCX

Manufacturer: NS

Active Clamp Voltage Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5025AMTCX NS 10000 In Stock

Description and Introduction

Active Clamp Voltage Mode PWM Controller The LM5025AMTCX is a high-voltage pulse width modulation (PWM) controller manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Input Voltage Range:** 15V to 100V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** 1.5A (peak)  
- **Duty Cycle Range:** Up to 95%  
- **UVLO (Undervoltage Lockout):** Adjustable  
- **Package Type:** TSSOP-16  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
The LM5025AMTCX is designed for high-voltage DC-DC converter applications, including flyback, forward, and boost topologies. It features a high-voltage start-up regulator, eliminating the need for an external bias supply. The controller includes soft-start, current limiting, and thermal shutdown protection.  

### **Features:**  
- **High-Voltage Start-Up Regulator** (up to 100V)  
- **Programmable Oscillator Frequency**  
- **Cycle-by-Cycle Current Limiting**  
- **Soft-Start Function**  
- **Synchronous Rectifier Control**  
- **Error Amplifier with Wide Bandwidth**  
- **Thermal Shutdown Protection**  

This device is commonly used in power supplies, industrial systems, and telecom applications.  

(Source: Texas Instruments datasheet for LM5025AMTCX)

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