FOD814_06 Datasheet, PDF (4/12 Pages) Fairchild Semiconductor – 4-Pin High Operating Temperature Phototransistor Optocouplers

Transfer Characteristics (Continued) (T_A = 25°C Unless otherwise specified.)
Symbol AC Characteristic Device
Test Conditions
f_C Cut-Off Frequency
FOD814 V_CE = 5V, I_C = 2mA, R_L = 100Ω,
-3dB
t_r
Response Time (Rise) FOD814 V_CE = 2 V, I_C = 2mA, R_L = 100Ω⁽²⁾
FOD617
FOD817
t_f
Response Time (Fall) FOD814
FOD617
FOD817
Min. Typ.* Max. Unit
15
80
– kHz
–
4
18 µs
–
3
18 µs
Isolation Characteristics
Symbol
Characteristic
V_ISO Input-Output Isolation
Voltage⁽³⁾
R_ISO Isolation Resistance
C_ISO Isolation Capacitance
Device Test Conditions
FOD814 f = 60Hz, t = 1 min,
FOD617 ^{II-O ≤ 2µA}
FOD817
FOD814 V_I-O = 500VDC
FOD617
FOD817
FOD814 V_I-O = 0, f = 1 MHz
FOD617
FOD817
Min.
5000
5x10¹⁰
*Typical values at T_A = 25°C
Notes:
1. Current Transfer Ratio (CTR) = I_C/I_F x 100%.
2. For test circuit setup and waveforms, refer to page 4.
3. For this test, Pins 1 and 2 are common, and Pins 3 and 4 are common.
Typ.*
1x10¹¹
0.6
Max. Units
Vac(rms)
—
Ω
1.0
pf
4
FOD814 Series, FOD617 Series, FOD817 Series Rev. 1.0.5
www.fairchildsemi.com