TB67H450FNG Input and Output Equivalent Circuit Pin name Input / Output signal Equivalent circuit 1 kΩ Logic Logic input (VIN(H)/VIN(L)) input pin IN1 IN2 VIN(H): 2.0 V (min) to 5.5 V (max) Ω VIN(L): 0 V (min) to 0.8 V (max) 100k GND Internal power supply VREF applied voltage range VREF 1 kΩ 0 V to 4.0 V VREF VM Operating range of VM power supply voltage OUT1 4.5 V (min) to 44 V (max) OUT2 OUT1 OUT2 RS OUT pin voltage 4.5 V (min) to 50 V (max) RS The equivalent circuit may omitted or simplified for explanatory purposes. 5 2019-04-01