iW1788

iW1788 High Power Pump Express™ Plus-Compatible Digital PWM AC/DC Controller 1.0 Features 2.0 Description ●● Supports MediaTek Pump Express™ technology fast charge protocol ●● Universal input off-line controller for applications up to 15W output power ●● No-load power consumption < 30mW at 230VAC along with fast dynamic load response and short turn-on delay in typical 15W adapter applications ●● PrimAccurate™ primary-side feedback eliminates optoisolators and simplifies design ●● Adaptive multi-mode PWM/PFM control improves efficiency ●● Proprietary optimized 79kHz maximum PWM switching frequency with quasi-resonant operation achieves best size, efficiency and common mode noise ●● Active start-up scheme enables fastest possible start-up ●● Tight constant-voltage regulation across line and load range ●● User-configurable 5-level cable drop compensation provides design flexibility ●● EZ-EMI® design enhances manufacturability ●● No ex...