Plus-Compatible Digital PWM AC/DC Controller
iW1788-42
High Power Pump Express™ Plus-Compatible Digital PWM AC/DC Controller
1.0 Features
2.0 Description
●● Supp...
Description
iW1788-42
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
●● Supports Lenovo fast charge protocol
●● Universal input off-line controller for applications up to 24W 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®...
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