Professional IC Distribution & Technical Solutions

The STR-Z2752 is a power supply control IC manufactured by Sanken Electric Co., Ltd. (SK). Below are its key specifications, descriptions, and features:

Specifications:

• Function: Resonant-mode power supply controller
• Topology: Half-bridge resonant converter
• Input Voltage Range: Typically 300V to 450V (for AC-DC applications)
• Operating Frequency: Adjustable, typically in the range of several tens to hundreds of kHz
• Output Power: Supports medium to high power applications (exact rating depends on external components)
• Protection Features: Overcurrent protection (OCP), overvoltage protection (OVP), thermal shutdown (TSD), and undervoltage lockout (UVLO)
• Package: Typically available in a TO-220 or similar power package

Descriptions:

The STR-Z2752 is designed for resonant-mode switching power supplies, providing efficient and stable operation in applications such as AC-DC adapters, LCD/LED TV power supplies, and industrial power systems. It integrates a half-bridge driver and control circuitry to minimize external component count while ensuring reliable performance.

Features:

• Resonant Operation: Reduces switching losses for improved efficiency.
• Soft-Switching: Minimizes EMI and stress on power components.
• Built-in Protections: Includes OCP, OVP, TSD, and UVLO for enhanced safety.
• Adjustable Frequency: Allows optimization for different power levels and transformer designs.
• High-Voltage Startup Circuit: Simplifies external circuitry by integrating startup functions.

For detailed application circuits and exact electrical characteristics, refer to the official datasheet from Sanken (SK).