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TPS40055 from TI,Texas Instruments

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TPS40055

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TPS40055 TI 8 In Stock

Description and Introduction

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source/sink The TPS40055 is a synchronous buck controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features 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:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** 16-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
The TPS40055 is a high-performance synchronous buck controller designed for step-down DC-DC conversion. It supports N-channel MOSFETs and provides high efficiency across a wide input voltage range. The device includes features for voltage regulation, current limiting, and thermal protection.  

### **Features:**  
- **Adjustable Output Voltage** (down to 0.7V)  
- **Synchronous Rectification** for improved efficiency  
- **Programmable Soft-Start** to limit inrush current  
- **Peak Current Mode Control** for fast transient response  
- **Overcurrent Protection** with hiccup mode  
- **Adjustable Switching Frequency** (100kHz to 600kHz)  
- **PowerPAD™ Package** for enhanced thermal performance  
- **Pre-Biased Output Startup** capability  

This information is based solely on TI's official documentation for the TPS40055.

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