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UCC3946D from TI/BB,Texas Instruments

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UCC3946D

Manufacturer: TI/BB

Microprocessor Supervisor with Watchdog Timer

Partnumber Manufacturer Quantity Availability
UCC3946D TI/BB 125 In Stock

Description and Introduction

Microprocessor Supervisor with Watchdog Timer The UCC3946D is a dual synchronous buck controller manufactured by Texas Instruments (TI)/Burr-Brown (BB).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Output Voltage Range:** Adjustable down to 0.9V  
- **Number of Outputs:** Dual (two independent controllers)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions and Features:**  
- Designed for high-efficiency, synchronous step-down DC-DC converters.  
- Supports adjustable output voltage via external resistors.  
- Integrated MOSFET drivers for N-channel FETs.  
- Features programmable soft-start to reduce inrush current.  
- Includes undervoltage lockout (UVLO) protection.  
- Provides overcurrent protection with hiccup mode.  
- Synchronization capability to an external clock.  
- Optimized for low-power portable applications.  

This information is based solely on the technical specifications of the UCC3946D from TI/BB.

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