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TPS54540DDAR from TI,Texas Instruments

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TPS54540DDAR

Manufacturer: TI

42 V, 5 A, Step-Down DC-DC Converter with Eco-Mode 8-SO PowerPAD -40 to 125

Partnumber Manufacturer Quantity Availability
TPS54540DDAR TI 320 In Stock

Description and Introduction

42 V, 5 A, Step-Down DC-DC Converter with Eco-Mode 8-SO PowerPAD -40 to 125 The TPS54540DDAR is a synchronous buck converter manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Voltage Range:** 0.8V to 32V (adjustable via external resistors)  
- **Output Current:** Up to 5A continuous  
- **Switching Frequency:** 100kHz to 2.5MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin SO PowerPAD (DDAR)  

### **Descriptions:**  
- The TPS54540DDAR is a step-down (buck) DC-DC converter with integrated high-side and low-side MOSFETs.  
- It is designed for high-efficiency power conversion in industrial, automotive, and telecom applications.  
- Features a wide input voltage range, making it suitable for various power supply designs.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency or size.  
- **Power Good Output:** Monitors output voltage status.  
- **Soft Start:** Prevents inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Synchronization Capability:** Can sync with an external clock.  

This information is based on TI's official datasheet for the TPS54540DDAR.

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