STR-W6251D Datasheet | Sanken

STR-W6251D, STR-W6252D, and STR-W6253D PWM Off-Line Switching Regulator ICs Features and Benefits - TO-220 fully-molded package with 6 pins - Current mode PWM control - PWM and frequency modulation functions: reduces EMI noise, simplifies EMI filters, and cuts cost by external part reduction - Built-in Slope pensation circuit: avoids subharmonic oscillation - Automatic Standby Mode function (Input Power < 40 m W at no load) ▫ Normal operation: PWM mode ▫ Light load operation: Standby mode (burst oscillation) - Built-in Audible Noise Suppression function during Standby mode Continued on the next page… Package: TO-220F-6L Not to scale Description STR-W6200D series are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package. Including a startup circuit and a standby function in the controller, the product achieves low power consumption, low standby power, and high cost-effectiveness in power supply systems, while reducing external ponents. Applications: Switching power supplies for electronic devices such as: - White goods - Consumer electronics - Office automation - Industrial equipment - munication equipment Typical Application Clamp Snubber Circuit T1 D3 L2 VOUT C10 R9 R3...