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TPS40070PWPR from TI,Texas Instruments

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TPS40070PWPR

Manufacturer: TI, TI Pb-free

Mid Range Input (4.5V-28V) up to 1 MHz Frequency Synchronous Buck Controller, source only

Partnumber Manufacturer Quantity Availability
TPS40070PWPR TI, TI Pb-free 16000 In Stock

Description and Introduction

Mid Range Input (4.5V-28V) up to 1 MHz Frequency Synchronous Buck Controller, source only The TPS40070PWPR is a synchronous buck controller manufactured by Texas Instruments (TI).  

### **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:** 100%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** HTSSOP-20 (PowerPAD™)  
- **Control Method:** Voltage Mode  
- **Efficiency:** Up to 95%  
- **Current Limit:** Adjustable  

### **Descriptions:**  
The TPS40070PWPR is a high-performance synchronous buck controller designed for DC-DC conversion applications. It supports a wide input voltage range and provides precise output voltage regulation. The device is optimized for high efficiency and is commonly used in power supply designs for computing, industrial, and telecom applications.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 28V input  
- **Adjustable Frequency:** Allows optimization for efficiency and component size  
- **Voltage Mode Control:** Simplifies compensation and improves transient response  
- **PowerPAD™ Package:** Enhances thermal performance  
- **Soft-Start:** Reduces inrush current  
- **Overcurrent Protection:** Adjustable current limit  
- **Synchronous Rectification:** Improves efficiency  
- **Precision Reference:** 0.7V ±1%  

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

Application Scenarios & Design Considerations

Mid Range Input (4.5V-28V) up to 1 MHz Frequency Synchronous Buck Controller, source only

Alternative Part Number

  • LM27402MHX/NOPB --: Synchronous buck controller from a different TI series with comparable input voltage range and current-mode control, suitable as a functional substitute in many POL applications.
  • ISL8117AFRZ --: Wide-input synchronous buck controller offering similar switching frequency and gate drive capability, usable as a cross-vendor alternative with layout adjustments.
  • LTC3851AEGN#PBF --: Synchronous step-down controller with comparable voltage mode architecture and external MOSFET drive, providing a viable third option when TI parts are unavailable.
  • ISL6545CBZ --: Wide-input synchronous buck controller with similar current-mode control and external MOSFET drive, a common cross-vendor substitute.
  • LTC3851EGN#PBF --: High-performance synchronous step-down controller with comparable voltage range and features, usable as a functional alternative with layout review.

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