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TPS40021PWPR from TI,Texas Instruments

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TPS40021PWPR

Manufacturer: TI

Enhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink

Partnumber Manufacturer Quantity Availability
TPS40021PWPR TI 2000 In Stock

Description and Introduction

Enhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink The TPS40021PWPR is a synchronous buck controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.7V  
- **Switching Frequency:** Adjustable from 100kHz to 600kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** HTSSOP-20 (PowerPAD™)  
- **Control Method:** Voltage Mode PWM  
- **Features:**  
  - Adjustable soft-start  
  - Overcurrent protection  
  - Undervoltage lockout (UVLO)  
  - Synchronization capability  
  - Power-good output  

### **Descriptions and Features:**  
The TPS40021PWPR is a high-performance synchronous buck controller designed for step-down DC-DC conversion. It supports a wide input voltage range and adjustable output voltage, making it suitable for various power supply applications.  

Key features include:  
- **Voltage Mode Control:** Ensures stable regulation under varying load conditions.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Synchronization Capability:** Can sync to an external clock to reduce noise.  
- **Protection Features:** Includes overcurrent protection and undervoltage lockout for enhanced reliability.  
- **PowerPAD™ Package:** Improves thermal performance for high-power applications.  

This device is commonly used in telecom, industrial, and computing power systems.  

(Note: All details are based on TI's official datasheet.)

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