TIL923, TIL924, TIL925

TIL923A, TIL924A, TIL925A

SINGLE/DUAL/QUAD CHANNEL OPTOCOUPLERS/OPTOISOLATORS

SOOS031 – OCTOBER 1991

3

POST OFFICE BOX 655303

switching characteristics at 25

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tr

Rise time

VCC =10V

IC( ) =10mA

RL = 100 Ω

See Figure 1

100

µs

tf

Fall time

VCC = 10 V, IC(on) = 10 mA, RL = 100 Ω, See Figure 1

100

µs

PARAMETER MEASUREMENT INFORMATION

RL = 100 Ω

47

Ω

+

–

90%

10%

Output

Input

tf

tr

0

0

90%

10%

TEST CIRCUIT

VOLTAGE WAVEFORMS

Adjust amplitude of input pulse

for IC(on) = 10 mA

Input

(see Note A)

Output

(see Note B)

VCC = 10 V

NOTES: A. The input waveform is supplied by a generator with the following characteristics: Zo = 50 Ω, tr ≤ 15 ns, duty cycle = 1%, tw = 500 µs.

B. The output waveform is monitored on an oscilloscope with the following characteristics: tr ≤ 12 ns, Rin ≥ 1 MΩ, Cin ≤ 20 pF.

Figure 1. Switching Times