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UCC3809P-2 from TI/UNITRODE,Texas Instruments

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UCC3809P-2

Manufacturer: TI/UNITRODE

1

Partnumber Manufacturer Quantity Availability
UCC3809P-2,UCC3809P2 TI/UNITRODE 60 In Stock

Description and Introduction

1 The UCC3809P-2 is a high-performance current-mode PWM controller manufactured by **Texas Instruments (TI)/Unitrode**.  

### **Specifications:**  
- **Topology**: Current-mode PWM controller  
- **Operating Frequency**: Up to 1MHz  
- **Supply Voltage (VCC)**: 12V (typical)  
- **Output Drive Current**: ±1A (peak)  
- **Duty Cycle Range**: 0% to 100%  
- **UVLO (Undervoltage Lockout)**: 10.5V (turn-on), 9.5V (turn-off)  
- **Current Sense Threshold**: Adjustable  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions and Features:**  
- Designed for **high-frequency switching power supplies**.  
- **Current-mode control** for improved transient response and simplified loop compensation.  
- **Programmable oscillator** for flexible frequency setting.  
- **Internal soft-start** for controlled startup.  
- **Leading-edge blanking** for noise immunity in current sensing.  
- **Latch-off protection** for overcurrent conditions.  
- **Low startup current** (typically 150µA).  
- Suitable for **flyback, forward, and boost converters**.  

The UCC3809P-2 is optimized for **efficiency and reliability** in power supply designs.

Partnumber Manufacturer Quantity Availability
UCC3809P-2,UCC3809P2 TI 195 In Stock

Description and Introduction

1 The UCC3809P-2 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Operating Frequency:** Up to 1 MHz  
- **Supply Voltage (VCC):** 10V to 18V (operating range)  
- **UVLO (Undervoltage Lockout):** 9.25V (turn-on), 8.75V (turn-off)  
- **Output Drive Current:** ±1.5A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Soft-Start Capability:** Yes  
- **Error Amplifier Bandwidth:** 5 MHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP  

### **Descriptions:**  
The UCC3809P-2 is designed for high-frequency power supply applications, offering precise current-mode control with fast transient response. It includes features like cycle-by-cycle current limiting, soft-start, and undervoltage lockout (UVLO) for robust operation.  

### **Features:**  
- High-speed current-mode PWM control  
- Adjustable switching frequency (up to 1 MHz)  
- Built-in leading-edge blanking for noise immunity  
- Internal soft-start function  
- Low startup and operating current  
- Cycle-by-cycle current limiting  
- Under-voltage lockout (UVLO) protection  
- Compatible with voltage-mode applications  

This information is sourced from TI's official documentation. Let me know if you need further details.

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