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UC2861DW from UNITRODE

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15.625ms

UC2861DW

Manufacturer: UNITRODE

Resonant-Mode Power Supply Controllers

Partnumber Manufacturer Quantity Availability
UC2861DW UNITRODE 94 In Stock

Description and Introduction

Resonant-Mode Power Supply Controllers The UC2861DW is a high-performance current-mode PWM controller manufactured by UNITRODE.  

**Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive:** Totem-pole output (suitable for driving power MOSFETs)  
- **Input Voltage Range:** Typically operates with a wide input range (specifics depend on application)  
- **Duty Cycle Range:** Adjustable, typically up to near 100%  
- **Protection Features:** Includes undervoltage lockout (UVLO), overcurrent protection, and soft-start capability  
- **Package:** SOIC-16 (DW package)  

**Descriptions and Features:**  
- Designed for high-frequency switching power supplies  
- Provides precise control for efficient power conversion  
- Includes error amplifier, oscillator, PWM comparator, and latch for reliable operation  
- Optimized for offline and DC-DC converter applications  
- Features a shutdown function for power management  
- Low start-up and operating current for improved efficiency  

For exact electrical characteristics and application details, refer to the UNITRODE datasheet for the UC2861DW.

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