Ultra-Low Power, Bidirectional I2C Isolator with Extended VDD, Idle-Bus Hot-Swap and Low VOL

Features ● Low VOL(MAX) for Greater I2C Device Compatibility • Side 1: 0.69V • Side 2: 0.4V • Ultra-Low Power Consumption for Longer Battery Life • 142μA (typ) per Channel at 400kHz • Wide Independent VDD1/VDD2 Supply Range Supports More Logic Voltage Levels and Allows Level Shifting • 1

Current Mode PWM Controller for Forward and Flyback Applications

The NCP1252 controller offers everything needed to build cost− effective and reliable ac−dc switching supplies dedicated to ATX power supplies. Thanks to the use of an internally fixed timer, NCP1252 detects an output overload without relying on the auxiliary Vcc. A Brown−Out input offers prot