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UCC28221PW from TI,Texas Instruments

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UCC28221PW

Manufacturer: TI

Dual Interleaved PWM Controller with Programmable Max Duty Cycle

Partnumber Manufacturer Quantity Availability
UCC28221PW TI 21 In Stock

Description and Introduction

Dual Interleaved PWM Controller with Programmable Max Duty Cycle The UCC28221PW is a high-speed PWM controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UCC28221PW  
- **Type:** High-Speed PWM Controller  
- **Package:** TSSOP-16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4.5V to 5.5V  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Output Drive Current:** 2A (peak)  
- **Control Method:** Voltage-Mode PWM  

### **Descriptions:**
- The UCC28221PW is a high-performance PWM controller designed for power supply applications.  
- It features a high-speed architecture suitable for both isolated and non-isolated DC-DC converters.  
- The device includes precision reference, error amplifier, and oscillator for accurate PWM control.  
- It supports voltage-mode control with programmable soft-start and shutdown functions.  

### **Features:**
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Voltage-Mode Control:** Simplifies loop compensation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within input voltage range.  
- **Synchronization Capability:** Can be synchronized to an external clock.  
- **Error Amplifier:** Provides precise voltage regulation.  
- **TSSOP-16 Package:** Compact footprint for space-constrained applications.  

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

Partnumber Manufacturer Quantity Availability
UCC28221PW TI/BB 50 In Stock

Description and Introduction

Dual Interleaved PWM Controller with Programmable Max Duty Cycle The UCC28221PW is a high-speed PWM controller manufactured by Texas Instruments (TI) and Burr-Brown (BB).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 15V  
- **Operating Frequency Range:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Output Drive Current:** ±2A (peak)  
- **Propagation Delay:** 50ns (typical)  
- **Package:** 16-pin TSSOP (PW)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Control Method:** Voltage-mode PWM  

### **Descriptions:**  
The UCC28221PW is a high-performance PWM controller designed for power supply applications. It features fast response times, high-frequency operation, and precise duty cycle control. It is commonly used in DC-DC converters, telecom power supplies, and industrial power systems.  

### **Features:**  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Wide Input Voltage Range:** 4.5V to 15V for flexible power supply design.  
- **Adjustable Dead-Time Control:** Enhances efficiency in synchronous rectification.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Synchronization Capability:** Allows external clock synchronization.  
- **Current-Limiting Protection:** Enhances system reliability.  

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

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