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UCC28C45DR from TI,Texas Instruments

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UCC28C45DR

Manufacturer: TI

BiCMOS Low-Power Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UCC28C45DR TI 2500 In Stock

Description and Introduction

BiCMOS Low-Power Current Mode PWM Controller The UCC28C45DR is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range (VCC):** 8.5V to 18V (operating), 7.6V (UVLO turn-off)  
- **Switching Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (DR)  

### **Descriptions:**  
- Designed for high-efficiency power supplies  
- Features cycle-by-cycle current limiting  
- Includes under-voltage lockout (UVLO) protection  
- Optimized for offline and DC-DC converters  

### **Features:**  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation  
- **Programmable Switching Frequency:** Allows flexibility in design  
- **Soft-Start Capability:** Reduces inrush current  
- **Low Startup Current:** Typically 150µA  
- **High Noise Immunity:** Robust operation in noisy environments  

For more details, refer to the official TI datasheet.

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