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FOD815

4-Pin High Operating Temperature Photodarlington Optocoupler

Fairchild Semiconductor 

Electrical Characteristics (TA = 25°C Unless otherwise specified.)

Individual Component Characteristics

Symbol Parameter

Test Conditions

INPUT

VF

Ct

OUTPUT

Forward Voltage

Terminal Capacitance

IF = 20mA

V = 0, f = 1kHz

ICEO

BVCEO

BVECO

Collector Dark Current

Collector-Emitter Breakdown Voltage

Emitter-Collector Breakdown Voltage

VCE = 10V, IF = 0

IC = 0.1mA, IF = 0

IE = 10µA, IF = 0

Min.

–

–

–

35

6

Typ.

1.2

50

–

–

–

Max. Unit

1.4

V

250 pF

1

µA

–

V

–

V

Transfer Characteristics (TA = 25°C Unless otherwise specified.)

Symbol DC Characteristic

Test Conditions

IC Collector Current

CTR Current Transfer Ratio(1)

IF = 1mA, VCE = 2V

VCE(sat) Collector-Emitter Saturation IF = 20mA, IC = 5mA

Voltage

fC Cut-Off Frequency

tr Response Time (Rise)

tf

Response Time (Fall)

VCE = 5V, IC = 2mA, RL = 100Ω, -3dB

VCE = 2 V, IC = 10mA, RL = 100Ω

Min.

6

600

–

Typ.

–

–

0.8

Max. Unit

75 mA

7,500 %

1

V

1

6

– KHz

–

60 300 µs

–

53 250 µs

Isolation Characteristics

Symbol

Characteristic

Test Conditions

VISO Input-Output Isolation

Voltage

f = 60Hz, t = 1 min, II-O ≤ 2µA

Riso Isolation Resistance

Cf Floating Capacitance

DC500V 40~60% R.H.

V = 0, f = 1MHz

Note:

1. Current Transfer Ratio (CTR) = IC/IF x 100%.

Min.

5000

Typ.

–

Max. Units

– Vac(rms)

5x1010 1x1011

–

Ω

–

0.6

1

pF

2

FOD815 Series Rev. 1.0.4

www.fairchildsemi.com

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