TOSHIBA Photocoupler Infrared LED + Photo IC TLP550 Integrated Circuit IC
chip in electronics
,small scale integrated circuits
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
| Characteristic | Symbol | Rating | Unit | |
| LED | Forward current (Note 1) | IF | 25 | mA |
| Pulse forward current (Note 2) | IFP | 50 | mA | |
| Peak transient forward current (Note 3) | IFPT | 1 | A | |
| Reverse voltage | VR | 5 | V | |
| Diode power dissipation (Note 4) | PD | 45 | mW | |
| Detector | Output current | IO | 8 | mA |
| Peak output current | IOP | 16 | mA | |
| Supply voltage | VCC | -0.5~15 | V | |
| Output voltage | VO | -0.5~15 | V | |
| Output power dissipation (Note 5) | PO | 100 | mW | |
| Operating temperature range | Topr | -55~100 | °C | |
| Storage temperature range | Tstg | -55~125 | °C | |
| Lead solder temperature (10s) | Tsol | 260 | °C | |
| Isolation voltage (AC, 1min., R.H. = 40~60%) (Note 6) | BVS | 2500 | Vrms | |
(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.
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