IC Phoenix logo

Home ›  U  › U5 > UC2854DW

UC2854DW from UC

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

0.000ms

UC2854DW

Manufacturer: UC

High Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC2854DW UC 31 In Stock

Description and Introduction

High Power Factor Preregulator The UC2854DW is a high-performance current-mode PWM controller manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 15V to 30V  
- **Operating Frequency:** Up to 1MHz  
- **Output Current:** 1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Current Sense Comparator:** Fast response (50ns)  
- **Package:** SOIC-16  

### **Descriptions & Features:**  
- **Current-Mode Control:** Provides improved loop response and simplified compensation.  
- **Programmable Oscillator:** Allows flexible frequency adjustment.  
- **Precision Reference:** 5V ±1% accuracy.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Protection Features:** Includes undervoltage lockout (UVLO) and cycle-by-cycle current limiting.  
- **Wide Operating Temperature Range:** -40°C to +85°C.  

This IC is commonly used in power supply applications such as DC-DC converters, offline power supplies, and battery chargers.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips