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UCC28C40DGKRG4 from TI/BB,Texas Instruments

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31.250ms

UCC28C40DGKRG4

Manufacturer: TI/BB

BiCMOS Low-Power Current Mode PWM Controller 8-VSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
UCC28C40DGKRG4 TI/BB 492 In Stock

Description and Introduction

BiCMOS Low-Power Current Mode PWM Controller 8-VSSOP -40 to 85 The UCC28C40DGKRG4 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI) and formerly by Burr-Brown (BB).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range (VCC):** 8.5V to 21V (operating), 7.5V (UVLO on), 6.5V (UVLO off)  
- **Output Frequency Range:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Peak Output Current (Source/Sink):** ±1A  
- **Error Amplifier Bandwidth:** 5MHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin VSSOP (DGK)  

### **Descriptions & Features:**  
- Designed for high-frequency switching power supplies  
- Improved noise immunity and reduced jitter  
- Programmable oscillator with synchronization capability  
- Precision reference voltage (5V ±1%)  
- Soft-start and cycle-by-cycle current limiting  
- Under-voltage lockout (UVLO) protection  
- Low startup and operating current  
- Suitable for flyback, forward, and boost converters  

This device is optimized for efficiency and reliability in power supply applications.

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