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UCC3801D from UNITROD

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UCC3801D

Manufacturer: UNITROD

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC3801D UNITROD 3901 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC3801D is a high-speed, low-power, BiCMOS PWM controller manufactured by UNITRODE (now part of Texas Instruments).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 12V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Start-up Current:** 100µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions and Features:**  
- **High-Speed Operation:** Optimized for high-frequency switching power supplies.  
- **Low Power Consumption:** Features low start-up and operating currents.  
- **BiCMOS Technology:** Combines the benefits of bipolar and CMOS for efficient performance.  
- **Soft-Start Capability:** Reduces inrush current during start-up.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the specified voltage range.  
- **Current-Limiting Protection:** Enhances system reliability.  
- **Push-Pull Output Stage:** Provides high drive capability for power MOSFETs.  

The UCC3801D is commonly used in DC-DC converters, power supplies, and other switching regulator applications.

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