RS Components 其他网络设备 功率因数和 PWM 控制器 STCMB1 使用说明.pdfVIP

STCMB1 TM PFC with X-cap discharge and LLC resonant combo controller Datasheet - production data Applications  Ac-dc adapter, open frame SMPS  SMPS for LED TV, desktop and all-in-one PC  Consumer and industrial SMPS compliant with “Energy Using Product” directive (EuP) Lot 6, DOE and European CoC ver. 5, Tier 2 SO20W  LED street lighting Features  Common features – SO20W package – 800 V high voltage start-up with integrated input voltage sensing – Active input filter capacitor discharge circuitry for reduced standby power compliant with IEC 62368-1 and UL Demko certified – Independent debug mode for both converters  PFC controller features – Enhanced constant on-time PFC with input voltage feedforward, THD optimizer – Complete set of protections: ac brown- in/out, inrush control, OVP, OCP, inductor saturation, feedback disconnection  LLC controller features – Proprietary timeshift control for improved input ripple rejection and dynamic response – Half-bridge operation up to 750 kHz with self-adjusting deadtime – Complete set of protections: dc brown-out, two-level OCP, hard switching prevention (HSP) function for anti-capacitive mode protection and safe start-up – Synchronous burst mo