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UCC2808AD-1 from UNITRODE

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UCC2808AD-1

Manufacturer: UNITRODE

1

Partnumber Manufacturer Quantity Availability
UCC2808AD-1,UCC2808AD1 UNITRODE 50 In Stock

Description and Introduction

1 The UCC2808AD-1 is a PWM controller manufactured by UNITRODE. Here are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** UNITRODE  
- **Type:** Current Mode PWM Controller  
- **Topology:** Flyback, Forward  
- **Frequency Range:** Up to 1MHz  
- **Output Drive Current:** 1A (peak)  
- **Operating Voltage Range:** 8.2V to 12V  
- **UVLO (Undervoltage Lockout):** 8.2V (on), 7.6V (off)  
- **Duty Cycle Range:** 0% to 100%  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC2808AD-1 is a high-performance current-mode PWM controller designed for offline and DC-DC power supplies. It provides precise regulation and protection features, making it suitable for applications such as AC/DC converters and isolated power supplies.  

### **Features:**  
- **Current-Mode Control** for improved transient response  
- **Programmable Oscillator Frequency** with external timing components  
- **Soft-Start Capability** for controlled startup  
- **Internal Trimmed Reference** for accuracy  
- **Cycle-by-Cycle Current Limiting** for protection  
- **Latching PWM Shutdown** for fault conditions  
- **Low Startup and Operating Current**  

These details are based solely on the manufacturer's specifications and do not include additional recommendations or guidance.

Partnumber Manufacturer Quantity Availability
UCC2808AD-1,UCC2808AD1 TI 331 In Stock

Description and Introduction

1 The UCC2808AD-1 is a high-speed BiCMOS current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 10V to 22V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Current Sense Threshold:** 1V  
- **Propagation Delay:** 50ns (typical)  
- **Soft-Start Capability:** Yes  
- **Under-Voltage Lockout (UVLO):** 8.4V (turn-on), 7.6V (turn-off)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC2808AD-1 is designed for high-frequency switching power supplies, offering precise current-mode control. It features fast response, low start-up current, and protection against overcurrent and undervoltage conditions.  

### **Features:**  
- High-speed PWM operation  
- Adjustable dead-time control  
- Internal soft-start  
- Cycle-by-cycle current limiting  
- Low power consumption  
- Synchronization capability  

This information is based on TI's official datasheet for the UCC2808AD-1.

Partnumber Manufacturer Quantity Availability
UCC2808AD-1,UCC2808AD1 TI/UNITRODE 114 In Stock

Description and Introduction

1 The UCC2808AD-1 is a high-speed PWM controller manufactured by Texas Instruments (TI)/Unitrode.  

**Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Operating Frequency:** Up to 1 MHz  
- **Input Voltage Range:** 8.2V to 12V (start-up), 7.6V to 12V (operating)  
- **Output Drive Current:** ±1.5A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5 MHz  
- **Propagation Delay:** 50 ns  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

**Descriptions and Features:**  
- Designed for high-frequency DC-DC power conversion applications.  
- Includes a high-speed error amplifier and PWM comparator for fast transient response.  
- Features under-voltage lockout (UVLO) for reliable operation.  
- Current-sensing input for precise current-mode control.  
- Adjustable dead-time control for optimal efficiency.  
- Compatible with voltage-mode operation when needed.  
- Suitable for forward, flyback, and boost converters.  

(Source: Texas Instruments/Unitrode datasheet.)

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