UCC3895N switch controller

Description: The UCC3895N is a phase-shifted pulse-width modulation (PWM) controller from Texas Instruments. It is designed for high-efficiency DC-DC power conversion applications. The UCC3895N provides all the necessary functions to implement a phase-shifted full-bridge power converter. This controller is suitable for applications that require efficient, high-power conversion, such as power supplies for servers, telecom equipment, and industrial systems. Key Features:

• Phase-shifted PWM control
• High efficiency
• Adaptive zero-voltage switching (ZVS)
• Programmable dead time
• Overcurrent protection
• Soft-start capability
• Synchronizable to external clock
• Voltage-mode control with feed-forward

Technical Specifications:

• Supply Voltage (Vcc): 10V to 15V
• Operating Temperature Range: -40°C to +125°C
• Output Voltage: 0V to Vcc
• Output Current: ±1A peak
• Oscillator Frequency: 100 kHz to 1 MHz
• Duty Cycle: 0% to 100%
• Soft-Start Time: Programmable
• Dead Time Control: Programmable
• Overcurrent Threshold: Programmable
• Package Type: DIP-20 (Dual Inline Package)
• Dimensions: 24.33 mm x 6.35 mm x 3.3 mm
• Weight: 1.27 g (approx.)

Applications:

• High-efficiency DC-DC power converters
• Telecom power supplies
• Industrial power supplies
• Server power supplies
• Motor drives
• Uninterruptible power supplies (UPS)

Datasheet: For detailed technical information, refer to the UCC3895N datasheet.