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TPS54377RHFR from TEXAS&BB

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TPS54377RHFR

Manufacturer: TEXAS&BB, TI, TI/BB

3V to 6V Input, 3A Synchronous Step-Down SWIFT? Converter for Prebiased Outputs 24-VQFN -40 to 125

Partnumber Manufacturer Quantity Availability
TPS54377RHFR TEXAS&BB, TI, TI/BB 341 In Stock

Description and Introduction

3V to 6V Input, 3A Synchronous Step-Down SWIFT? Converter for Prebiased Outputs 24-VQFN -40 to 125 The TPS54377RHFR is a synchronous buck converter 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:** 0.8V to 22V (adjustable via external resistors)  
- **Output Current:** Up to 3A (continuous)  
- **Switching Frequency:** 300 kHz to 2.2 MHz (adjustable with external resistor or synchronized)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin VQFN (RHFR) with PowerPAD™  

### **Descriptions:**  
- The TPS54377RHFR is a high-efficiency, synchronous step-down DC-DC converter with integrated MOSFETs.  
- It supports adjustable output voltage and switching frequency for flexible design.  
- Features include a wide input voltage range, making it suitable for industrial, automotive, and consumer applications.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency or size.  
- **PowerPAD™ Package:** Enhances thermal performance.  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Thermal shutdown (OTP)  
  - Undervoltage lockout (UVLO)  
  - Adjustable soft-start  
- **Synchronization Capability:** Can sync to an external clock.  
- **Low Quiescent Current:** Improves efficiency at light loads.  

For detailed application notes, refer to the official TI datasheet.

Application Scenarios & Design Considerations

3V to 6V Input, 3A Synchronous Step-Down SWIFT? Converter for Prebiased Outputs 24-VQFN -40 to 125

Alternative Part Number

  • LM2678S-ADJ --: Wide-input adjustable buck regulator with similar current capability, well-established alternative for 5A-class step-down designs.
  • L5973D --: Adjustable step-down converter with comparable input voltage range and output current, suitable drop-in for many buck applications.
  • MP1584EN --: Compact high-frequency buck converter with wide input range, commonly used as a lower-cost alternative in similar power designs.

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