INN4477F中文资料POWERINT数据手册PDF规格书

Highly Integrated, Compact Footprint

• Quasi-Resonant (QR) or zero voltage switching (ZVS) flyback

controller when paired with ClampZeroTM (active clamp IC)

• Unique control algorithm to enable ZVS in both DCM and CCM

• Robust 750 V PowiGaNTM primary switch

• Steady-state switching frequency up to 140 kHz minimizes

transformer size

• Synchronous rectification driver and secondary-side sensing

• Integrated FluxLinkTM, HIPOT-isolated, feedback link

• Drives low-cost N-channel FET series load switch

• Integrated 3.6 V supply for external MCU

Digitally Controlled via I2C Interface

• Precise CV, CC, CP Control

• Dynamic adjustment of power supply voltage and current

• Selectable DCM-only operation to reduce SR FET voltage stress

• Optimized command set to reduce I2C traffic

• Telemetry for power supply status and fault monitoring

EcoSmart™ – Energy Efficient

• Efficiency up to 95

• Less than 30 mW no-load including line sense and MCU

Advanced Protection / Safety Features

• Series load switch short-circuit protection

• Disable output fault response

• Fast input line UV/OV protection

• Programmable Output OV/UV fault detection and response

• Open SR FET gate detection

• Hysteretic thermal shutdown

• Programmable watchdog timer for system faults

Full Safety and Regulatory Compliance

• Reinforced isolation >4000 VAC

• 100 production HIPOT testing

• UL1577 isolation voltage 4000 VAC and TUV (EN62368) safety

approved

Green Package

• Halogen free and RoHS compliant

Applications

• High density power adapters

• Multiprotocol adapters including USB PD + PPS, QC, VOOC, VFC, SCP

• Direct-charge mobile device chargers

• Multi-chemistry tool and general purpose battery chargers

• Adjustable CV and CC LED ballast