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TPS40091PWG4 from TI/BB,Texas Instruments

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TPS40091PWG4

Manufacturer: TI/BB

4 Channel Multiphase Buck DC/DC Controller with Tri-state 24-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS40091PWG4 TI/BB 90 In Stock

Description and Introduction

4 Channel Multiphase Buck DC/DC Controller with Tri-state 24-TSSOP -40 to 85 The TPS40091PWG4 is a synchronous buck controller manufactured by Texas Instruments (TI) or Burr-Brown (BB). Below are its key specifications, descriptions, and features:  

### **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:** TSSOP-20 (PWG4)  

### **Descriptions:**  
- A high-efficiency synchronous buck controller designed for step-down DC-DC conversion.  
- Supports N-channel MOSFETs for synchronous rectification.  
- Features an adjustable soft-start and undervoltage lockout (UVLO).  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 28V operation.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Programmable Switching Frequency:** Allows optimization for efficiency or size.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Thermal Shutdown Protection:** Protects the device from overheating.  

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

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