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TPS40055PWPR from TI,Texas Instruments

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TPS40055PWPR

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TPS40055PWPR TI 24000 In Stock

Description and Introduction

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source/sink The TPS40055PWPR 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:** Adjustable down to 0.7V  
- **Switching Frequency:** Adjustable from 50kHz to 600kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** HTSSOP-20 (PowerPAD™)  
- **Control Method:** Voltage Mode PWM  

### **Descriptions:**  
The TPS40055PWPR is a high-performance synchronous buck controller designed for step-down DC-DC conversion applications. It supports wide input voltage ranges and is suitable for powering low-voltage processors, FPGAs, and ASICs.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 28V operation.  
- **Adjustable Output Voltage:** Configurable down to 0.7V using an external resistor divider.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Synchronous Rectification:** Improves efficiency by reducing conduction losses.  
- **PowerPAD™ Package:** Enhances thermal performance.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Overcurrent Protection:** Safeguards against excessive load currents.  

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

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