TOSHIBA Photocoupler Infrared LED + Photo IC TLP550 Integrated Circuit IC

TOSHIBA Photocoupler Infrared LED + Photo IC TLP550

Degital Logic Isolation                                                                                                                                  Unit in mm

Line Receiver Feedback Control

Power Supply Control

Switching Power Supply

Transistor Invertor

TLP550 constructs a high emitting diode and a one chip photo diode− transistor.

TLP550 has no base connection, and is suitable for application at noisy environmental condition.

This unit is 8−lead DIP package.

• Isolation voltage: 2500 Vrms (min.)
• Switching speed: tpHL, tpLH = 0.5µs (typ.)(RL=1.9 kΩ)
• TTL compatible
• UL recognized: UL1577, file No. E67349 Pi

Pin Configuration (top view)                                     Schematic

(Note 1) Derate 0.8mA above 70°C.

(Note 2) 50% duty cycle, 1ms pulse width. Derate 1.6mA / °C above 70°C.

(Note 3) Pulse width 1µs, 300pps.

(Note 4) Derate 0.9mW / °C above 70°C.

(Note 5) Derate 2mW / °C above 70°C.