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TPS40195 from TI,Texas Instruments

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TPS40195

Manufacturer: TI

4.5V to 20V Buck Controller with Synchronization and Power Good

Partnumber Manufacturer Quantity Availability
TPS40195 TI 2000 In Stock

Description and Introduction

4.5V to 20V Buck Controller with Synchronization and Power Good The TPS40195 is a synchronous buck controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** 0.7V to 5.5V  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Maximum Output Current:** Up to 15A (dependent on external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
The TPS40195 is a high-performance, wide-input voltage synchronous buck controller designed for point-of-load (POL) applications. It supports pre-biased outputs and provides precise voltage regulation with adjustable soft-start. The device integrates MOSFET drivers and offers protection features such as overcurrent, undervoltage lockout (UVLO), and thermal shutdown.  

### **Features:**  
- **Wide Input Range:** Supports 4.5V to 18V operation.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Pre-Biased Output Support:** Prevents negative current during startup.  
- **Programmable Soft-Start:** Minimizes inrush current.  
- **Current Mode Control:** Enhances transient response.  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Undervoltage lockout (UVLO)  
  - Thermal shutdown  
- **PowerPAD™ Package:** Improves thermal performance.  

This information is based solely on TI’s datasheet for the TPS40195.

Application Scenarios & Design Considerations

4.5V to 20V Buck Controller with Synchronization and Power Good

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