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UCC38501N from TI,Texas Instruments

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UCC38501N

Manufacturer: TI

BiCMOS PFC/PWM Combination Controller

Partnumber Manufacturer Quantity Availability
UCC38501N TI 56 In Stock

Description and Introduction

BiCMOS PFC/PWM Combination Controller The UCC38501N is a power factor correction (PFC) controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Type:** Power Factor Correction (PFC) Controller
- **Package:** PDIP-8 (Plastic Dual In-Line Package)
- **Operating Temperature Range:** -40°C to 85°C
- **Input Voltage Range:** Typically operates with high-voltage AC inputs (e.g., 85VAC to 265VAC)
- **Switching Frequency:** Adjustable, typically in the range of tens to hundreds of kHz
- **Output Voltage Regulation:** Supports boost converter topologies for PFC applications
- **Control Method:** Average current mode control for improved power factor correction
- **Supply Voltage (VCC):** Typically 12V to 18V (check datasheet for exact range)
- **Peak Gate Drive Current:** Capable of driving external MOSFETs (exact value in datasheet)

### **Descriptions:**
The UCC38501N is a dedicated PFC controller designed to improve power factor in AC-DC power supplies. It implements average current mode control to shape the input current waveform, ensuring compliance with power quality standards (e.g., IEC 61000-3-2). It is commonly used in offline power supplies, LED drivers, and industrial applications.

### **Features:**
- **Power Factor Correction (PFC):** Ensures near-unity power factor.
- **Average Current Mode Control:** Provides precise input current shaping.
- **Programmable Switching Frequency:** Allows flexibility in design.
- **Overvoltage Protection (OVP):** Protects against output overvoltage conditions.
- **Undervoltage Lockout (UVLO):** Ensures proper operation within supply voltage limits.
- **Soft-Start Function:** Reduces inrush current during startup.
- **Low Startup Current:** Minimizes power consumption during initialization.
- **High Noise Immunity:** Robust performance in noisy environments.

For exact electrical characteristics and application details, refer to the official **Texas Instruments UCC38501N datasheet**.

Partnumber Manufacturer Quantity Availability
UCC38501N TI/BB 1 In Stock

Description and Introduction

BiCMOS PFC/PWM Combination Controller The UCC38501N is a power factor correction (PFC) controller manufactured by Texas Instruments (TI) and Burr-Brown (BB).  

### **Specifications:**  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Voltage:** Up to 400V DC  
- **Switching Frequency:** Adjustable (typically up to 200kHz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Control Method:** Average Current Mode Control  
- **Supply Voltage (VCC):** 12V to 17.5V  
- **Start-Up Current:** Typically 150µA  
- **Peak Gate Drive Current:** ±1.5A  

### **Descriptions:**  
The UCC38501N is a high-performance PFC controller designed for boost-type power factor correction circuits. It uses average current mode control to ensure low harmonic distortion and high power factor (>0.99). It is suitable for AC-DC power supplies, lighting ballasts, and industrial power systems.  

### **Features:**  
- **Power Factor Correction (PFC) Controller**  
- **Low THD (Total Harmonic Distortion)**  
- **Programmable Switching Frequency**  
- **Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO)**  
- **Zero-Current Detection (ZCD)**  
- **Soft-Start Function**  
- **High Noise Immunity**  

This information is based solely on the manufacturer's datasheet and technical documentation.

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