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UCC28C41DGKR from TI,Texas Instruments

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7.813ms

UCC28C41DGKR

Manufacturer: TI

BiCMOS Low-Power Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UCC28C41DGKR TI 176 In Stock

Description and Introduction

BiCMOS Low-Power Current Mode PWM Controller The UCC28C41DGKR is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 8.4V to 18V (VCC)  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **UVLO (Undervoltage Lockout):** 8.4V (on), 7.6V (off)  
- **Package:** 8-Pin VSSOP (DGK)  
- **Operating Temperature Range:** -40°C to +105°C  

### **Descriptions:**  
The UCC28C41DGKR is designed for high-frequency switching power supplies, offering precise control and protection features. It includes an integrated error amplifier, current sensing, and a high-current totem-pole output for driving power MOSFETs.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Frequency:** Adjustable via external resistor and capacitor.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Enhances system protection.  
- **Low Startup Current:** Typically 0.5mA.  
- **High Noise Immunity:** Robust performance in noisy environments.  

This device is commonly used in AC/DC converters, DC/DC power supplies, and industrial power systems.  

(Source: Texas Instruments Datasheet)

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