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UCC28C45MDREP from TI,Texas Instruments

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UCC28C45MDREP

Manufacturer: TI

Enhanced Product Bicmos Low-Power Current-Mode Pwm Controller 8-SOIC -55 to 125

Partnumber Manufacturer Quantity Availability
UCC28C45MDREP TI 201 In Stock

Description and Introduction

Enhanced Product Bicmos Low-Power Current-Mode Pwm Controller 8-SOIC -55 to 125 The UCC28C45MDREP is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range (VDD):** 8.5V to 21V  
- **Operating Frequency Range:** Up to 1MHz  
- **Output Current (Source/Sink):** 1A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **UVLO (Undervoltage Lockout):** 7.6V (Turn-On), 7.1V (Turn-Off)  
- **Error Amplifier Bandwidth:** 5MHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (D)  

### **Descriptions:**  
- The UCC28C45MDREP is a radiation-hardened, current-mode PWM controller designed for high-reliability applications, including aerospace and defense.  
- It provides precise control for power supplies with features like adjustable switching frequency, soft-start, and cycle-by-cycle current limiting.  
- The device is optimized for low-power consumption and high noise immunity.  

### **Features:**  
- **Radiation-Hardened:** Ensures reliability in harsh environments.  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation.  
- **Programmable Oscillator:** Allows frequency adjustment via external components.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Low Startup Current:** Typically 0.5mA for efficient operation.  
- **High Noise Immunity:** Robust performance in noisy environments.  

This information is based on TI's official documentation for the UCC28C45MDREP.

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