Str W6553a Datasheet -

The auto-restart feature reduces input power to less than 1W during sustained overload conditions, meeting modern energy-saving standards.

Drain of the internal MOSFET; connects to the primary transformer winding. S/GND Source of the MOSFET and common ground. 3 GND Ground reference for control circuitry. 4 Vcc str w6553a datasheet

Always use the latest revision (e.g., Rev 1.2 or newer) to ensure design accuracy, as parameters like OCP thresholds may be updated. The auto-restart feature reduces input power to less

If you are designing a flyback converter or troubleshooting a power supply unit (PSU), understanding the is essential. This article extracts and explains the most critical sections of the datasheet, including pin configurations, electrical characteristics, application circuits, and protection mechanisms. 3 GND Ground reference for control circuitry

The STR W6553A datasheet highlights the following key features and specifications:

| Parameter | Symbol | Rating | Unit | |-----------|--------|--------|------| | Drain to Source Voltage (MOSFET) | ( V_DSS ) | 650 | V | | VCC Pin Voltage | ( V_CC ) | 32 | V | | Feedback Input Voltage | ( V_FB ) | -0.3 to 7 | V | | Sense Input Voltage | ( V_SENSE ) | -0.3 to 7 | V | | Operating Junction Temperature | ( T_j ) | -20 to +125 | °C | | Storage Temperature | ( T_stg ) | -40 to +125 | °C | | Thermal Resistance (Junction-to-Ambient) | ( R_\theta JA ) | 80 (DIP-8) | °C/W |

The STR-W6553A is frequently found in retailers like Jotrin Electronics and UTSource for use in: