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UC3872M from TI,Texas Instruments

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UC3872M

Manufacturer: TI

Resonant Lamp Ballast Controller

Partnumber Manufacturer Quantity Availability
UC3872M TI 930 In Stock

Description and Introduction

Resonant Lamp Ballast Controller The UC3872M is a pulse width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Category:** Integrated Circuits (ICs)  
- **Family:** Power Management (PMIC)  
- **Subcategory:** DC-DC Switching Controllers  
- **Topology:** Full-Bridge, Half-Bridge, Push-Pull  
- **Output Type:** Transistor Driver  
- **Number of Outputs:** 4  
- **Voltage - Supply (Vcc/Vdd):** 12V ~ 20V  
- **Duty Cycle (Max):** 50%  
- **Frequency - Switching:** Up to 1MHz (adjustable)  
- **Operating Temperature:** -40°C ~ 85°C  
- **Mounting Type:** Through Hole  
- **Package / Case:** 20-SOIC  

### **Descriptions:**  
The UC3872M is a high-performance PWM controller designed for phase-shifted full-bridge and half-bridge power converter applications. It provides precise control over switching frequency and duty cycle, making it suitable for high-power DC-DC conversion. The device includes features for soft-start, overcurrent protection, and adjustable dead-time control to enhance efficiency and reliability in power supply designs.

### **Features:**  
- **Phase-Shifted PWM Control:** Enables zero-voltage switching (ZVS) for improved efficiency.  
- **Adjustable Switching Frequency:** Up to 1MHz for flexible design.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Integrated Error Amplifier:** Supports voltage-mode control.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within supply range.  
- **Adjustable Dead-Time Control:** Optimizes switching transitions.  
- **Overcurrent Protection:** Enhances system reliability.  
- **20-Pin SOIC Package:** Compact and suitable for industrial applications.  

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

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