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LM5021MM-2 from NS,National Semiconductor

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LM5021MM-2

Manufacturer: NS

AC-DC Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5021MM-2,LM5021MM2 NS 8413 In Stock

Description and Introduction

AC-DC Current Mode PWM Controller The LM5021MM-2 is a high-voltage PWM controller manufactured by Texas Instruments (NS).  

**Key Specifications:**  
- **Input Voltage Range:** 13V to 90V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** 1A (peak)  
- **Duty Cycle Range:** 0% to 90%  
- **Package Type:** 10-pin VSSOP (MSOP)  
- **Operating Temperature Range:** -40°C to +125°C  

**Descriptions:**  
The LM5021MM-2 is designed for high-voltage DC-DC converter applications. It features a versatile architecture suitable for flyback, forward, and boost topologies.  

**Features:**  
- High-voltage startup regulator (up to 90V)  
- Programmable soft-start  
- Cycle-by-cycle current limiting  
- Under-voltage lockout (UVLO)  
- Adjustable oscillator frequency  
- Error amplifier with reference  
- Thermal shutdown protection  

This device is commonly used in industrial, automotive, and telecom power supply applications.

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