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UCC2805 from UNITRODE

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UCC2805

Manufacturer: UNITRODE

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC2805 UNITRODE 250 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC2805 is a high-speed, low-power PWM controller manufactured by UNITRODE.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 35V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Quiescent Current:** 2.5mA (typical)  
- **Error Amplifier Bandwidth:** 3MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 8-Pin DIP, SOIC  

### **Descriptions:**  
The UCC2805 is a versatile pulse-width modulation (PWM) controller designed for high-efficiency power supply applications. It features a high-speed error amplifier, a precision oscillator, and a totem-pole output stage capable of driving power MOSFETs directly.  

### **Features:**  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Wide Input Voltage Range:** Operates from 4.5V to 35V.  
- **Adjustable Dead-Time Control:** Allows optimization of power stage efficiency.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Synchronization Capability:** Can be synchronized to an external clock.  
- **Error Amplifier with High Bandwidth:** Ensures fast transient response.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Undervoltage Lockout (UVLO):** Ensures reliable operation under low-voltage conditions.  

This information is based on UNITRODE's official documentation for the UCC2805.

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