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UC2861Q from TI,Texas Instruments

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7.813ms

UC2861Q

Manufacturer: TI

Resonant-Mode Power Supply Controllers

Partnumber Manufacturer Quantity Availability
UC2861Q TI 40 In Stock

Description and Introduction

Resonant-Mode Power Supply Controllers The UC2861Q is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** Up to 30V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 10MHz  
- **Soft-Start Capability:** Yes  
- **UVLO (Undervoltage Lockout):** Adjustable  
- **Package:** 16-Pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**  
The UC2861Q is a versatile PWM controller designed for high-frequency switching power supplies. It operates in current-mode control, providing improved loop response and simplified compensation. The device includes features such as soft-start, cycle-by-cycle current limiting, and adjustable UVLO for robust power supply designs.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies feedback loop compensation.  
- **Programmable Switching Frequency:** Up to 1MHz for high-efficiency designs.  
- **High-Current Totem Pole Output:** Supports fast MOSFET switching.  
- **Precision Reference Voltage:** 5V ±1% for accurate regulation.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Adjustable Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  

This information is strictly factual and sourced from the available knowledge base.

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