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UCC2809PW-2 from TI/UNITRODE,Texas Instruments

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UCC2809PW-2

Manufacturer: TI/UNITRODE

1

Partnumber Manufacturer Quantity Availability
UCC2809PW-2,UCC2809PW2 TI/UNITRODE 7 In Stock

Description and Introduction

1 The UCC2809PW-2 is a PWM controller manufactured by Texas Instruments (TI)/Unitrode.  

### **Key Specifications:**  
- **Type:** Current Mode PWM Controller  
- **Topology:** Supports flyback, forward, and boost converters  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Supply Voltage Range:** 8V to 17V  
- **Duty Cycle Range:** 0% to 100%  
- **Soft-Start Capability:** Yes  
- **UVLO (Undervoltage Lockout):** 8V (on), 7.5V (off)  
- **Package:** 16-pin TSSOP (PW)  

### **Descriptions and Features:**  
- Designed for high-frequency switching power supplies  
- Current-mode control for improved transient response  
- Internal oscillator with sync capability  
- Precision reference voltage (5V ±1%)  
- Programmable dead-time control  
- Error amplifier with accessible inputs for feedback loop compensation  
- Overcurrent protection with cycle-by-cycle limiting  
- Low startup and operating current  

This device is commonly used in AC/DC and DC/DC power supply applications.

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