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TPS40057PWPR from TI,Texas Instruments

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TPS40057PWPR

Manufacturer: TI

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source/sink with prebias

Partnumber Manufacturer Quantity Availability
TPS40057PWPR TI 1618 In Stock

Description and Introduction

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source/sink with prebias The TPS40057PWPR is a synchronous buck controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V to 5.5V  
- **Switching Frequency:** Adjustable from 100kHz to 600kHz  
- **Maximum Duty Cycle:** 90%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** HTSSOP-20 (PowerPAD™)  
- **Control Method:** Voltage Mode PWM  
- **Gate Drive Voltage:** 5V or 10V (adjustable)  
- **Efficiency:** Up to 95%  
- **Protection Features:** Overcurrent, undervoltage lockout (UVLO), and thermal shutdown  

### **Descriptions:**  
The TPS40057PWPR is a high-performance synchronous buck controller designed for DC-DC power conversion applications. It supports a wide input voltage range, making it suitable for industrial, telecom, and computing systems. The device integrates voltage-mode PWM control with adjustable switching frequency and gate drive voltage for optimized efficiency.  

### **Features:**  
- **Adjustable Output Voltage:** Set via external resistors  
- **Synchronous Rectification:** Improves efficiency  
- **Soft-Start Function:** Reduces inrush current  
- **PowerPAD™ Package:** Enhances thermal performance  
- **External Synchronization Capability:** Allows frequency synchronization  
- **Low Shutdown Current:** <10µA  
- **Precision Reference Voltage:** 0.7V ±1%  

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

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