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UC2844BN from ON,ON Semiconductor

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UC2844BN

Manufacturer: ON

High Performance Current Mode Controllers

Partnumber Manufacturer Quantity Availability
UC2844BN ON 1803 In Stock

Description and Introduction

High Performance Current Mode Controllers The UC2844BN is a high-performance current-mode PWM controller manufactured by ON Semiconductor.  

### **Specifications:**  
- **Topology:** Current-mode PWM control  
- **Operating Frequency:** Up to 500 kHz  
- **Output Drive Current:** ±1 A (peak)  
- **Input Voltage Range:** 8.5V to 30V (start-up), 7.6V (UVLO turn-off)  
- **Reference Voltage:** 5V (±1% tolerance)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin DIP (Dual Inline Package)  

### **Descriptions:**  
The UC2844BN is designed for offline and DC-DC converter applications, providing precise control over switching power supplies. It features an oscillator, error amplifier, current-sensing comparator, and a high-current totem-pole output.  

### **Features:**  
- **Automatic Feed-Forward Compensation:** Improves line regulation  
- **Pulse-by-Pulse Current Limiting:** Enhances system protection  
- **Undervoltage Lockout (UVLO):** Ensures proper start-up and shutdown  
- **Trimmed Oscillator Discharge Current:** Allows precise frequency control  
- **Latching PWM for Cycle-by-Cycle Limiting:** Prevents multiple pulses  
- **Low Startup and Operating Current:** Reduces power consumption  

This device is widely used in power supply designs requiring high efficiency and reliability.

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