Highest Performance and Design Flexibility

? Supports buck, buck-boost and flyback topologies

? Excellent load and line regulation

? Selectable device current limit

? 66 kHz operation with accurate current limit

? Allows the use of low-cost off-the-shelf inductors

? Reduces size and cost of magnetics and output capacitor

? Frequency jittering reduces EMI filter complexity

? Pin-out simplifies PCB heat sinking

Enhanced Safety and Reliability Features

? Auto-restart for short-circuit and open loop faults

? Output overvoltage protection (OVP)

? Line input overvoltage protection (OVL)

? Hysteretic over-temperature protection (OTP)

? Extended creepage between DRAIN pin and all other pins improves

field reliability

? 725 V MOSFET rating for excellent surge withstand

? 900 V MOSFET rating series for industrial or extra safety margin

EcoSmart?– Extremely Energy Efficient

? Standby supply current <100 μA

? On/Off control provides constant efficiency over a wide load range

? Easily meets all global energy efficiency regulations

? No-load consumption <30 mW with external bias

Applications

? Appliances

? Metering

? Smart LED drivers and industrial controls

? IOT, home and building automation