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UCC3946PWTRG4 from TI/BB,Texas Instruments

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UCC3946PWTRG4

Manufacturer: TI/BB

Microprocessor Supervisor with Watchdog Timer 8-TSSOP 0 to 70

Partnumber Manufacturer Quantity Availability
UCC3946PWTRG4 TI/BB 790 In Stock

Description and Introduction

Microprocessor Supervisor with Watchdog Timer 8-TSSOP 0 to 70 The UCC3946PWTRG4 is a synchronous buck controller manufactured by Texas Instruments (TI) or Burr-Brown (BB). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI) / Burr-Brown (BB)  
- **Package:** TSSOP-20  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** Up to 1MHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Control Method:** Voltage Mode PWM  

### **Descriptions:**
The UCC3946PWTRG4 is a high-efficiency, synchronous step-down DC-DC controller designed for low-voltage applications. It integrates power MOSFET drivers and provides precise voltage regulation for portable and battery-powered systems.  

### **Features:**
- **High Efficiency:** Synchronous rectification improves efficiency.  
- **Low Quiescent Current:** Optimized for battery-powered applications.  
- **Adjustable Output Voltage:** Supports external resistor divider for flexibility.  
- **Integrated Drivers:** Reduces external component count.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Thermal Shutdown Protection:** Safeguards against overheating.  

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

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