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UCC2804

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC2804 3 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC2804 is a high-performance current-mode PWM controller manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range (VCC):** 10V to 22V  
- **Operating Frequency:** Adjustable up to 500 kHz  
- **Output Drive Current (Peak):** ±1.5A  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5 MHz  
- **Start-Up Current:** 0.5 mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** PDIP-8, SOIC-8  

### **Description:**  
The UCC2804 is a versatile pulse-width modulation (PWM) controller designed for high-efficiency power supply applications. It operates in current-mode control, providing precise regulation and fast transient response. The device is optimized for offline and DC-DC converters, offering robust performance with minimal external components.  

### **Features:**  
- **Current-Mode Control:** Enhances loop stability and transient response.  
- **Programmable Oscillator:** Adjustable frequency via external resistor and capacitor.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within specified voltage range.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **High-Current Totem-Pole Output:** Directly drives power MOSFETs or IGBTs.  
- **Error Amplifier with High Bandwidth:** Supports fast feedback loop compensation.  
- **Cycle-by-Cycle Current Limiting:** Protects against overload conditions.  
- **Low Power Consumption:** Optimized for energy-efficient designs.  

This information is sourced from the manufacturer's datasheet and technical documentation.

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