PT2221
Infrared Remote Control Transmitter (Princeton Technology Corp)
PT2222
Infrared Remote Control Transmitter (Princeton Technology Corp)
PT2201
Current Mode PWM Controller (PowTech)
PT2203
Primary Side CC/CV Regulator (PowTech)
PT2204
Primary Side CC/CV Regulator (Powtech)
PT2206
Primary Side Constant Voltage Regulator (PowTech)
PT2208
Primary Side CC/CV Regulator (PowTech)
PT2209
Current-mode PWM Controller (PowTech)
PT2210
Infrared Remote Control Transmitter (Princeton Technology Corp)
PT2210
Monolithic AC-DC PWM Controller (PowTech)