ASSR-3211 Datasheet, PDF (10/14 Pages) AVAGO TECHNOLOGIES LIMITED – General Purpose, Form A, Solid State Relay (Photo MOSFET)

Switching Specifications (AC)
Over recommended operating T_A = -40°C to 85°C, I_F = 5mA to 10mA, unless otherwise specified.
Parameter
Sym.
Min.
Typ.
Max. Units Conditions
Fig.
Note
Turn On Time
T_ON
0.25
1.0
ms
I_F =5mA,
I_O=200mA,
T_A=25C
9, 13
2.0
ms
I_F =5mA, I_O=200mA 10
Turn Off Time
T_OFF
0.02
0.2
ms
I_F =5mA,
I_O=200mA,
T_A=25C
11, 13
0.5
ms
I_F =5mA, I_O=200mA 12
Output Transient
dV_O/dt 1
7
Rejection
kV/s V_O=250V,
14
T_A=25C
Input-Output
dV_I-O/dt 1
10
Transient Rejection
kV/s V_I-O=1000V,
15
T_A=25C
Notes:
1. For derating, refer to Figure 1 and 2.
2. The voltage across the output terminals of the relay should not exceed this rated withstand voltage. Over-voltage protection circuits should be
added in some applications to protect against over-voltage transients.”
3. Threshold to switch device is I_F  0.5mA, however, for qualified device performance over temperature range, it is recommended to operate at
I_F =5mA. Refer to application information in next section of this datasheet.
4. Device is considered as a two terminal device:
ASSR-3210 - pin 1, 2 shorted and pin 3, 4 shorted.
ASSR-3211 - pin 1, 2, 3 shorted and pin 4, 5, 6 shorted.
ASSR-3220 - pin 1, 2, 3, 4 shorted and pin 5, 6, 7, 8 shorted.
5. The Input-Output Momentary Withstand Voltage is a dielectric voltage rating that should not be interpreted as an input-output continuous
voltage rating. For the continuous voltage rating refer to the IEC/EN/DIN EN 60747-5-2 Insulation Characteristics Table (if applicable), your
equipment level safety specification, or Avago Technologies Application Note 1074, “Optocoupler Input-Output Endurance Voltage.”
6. During the pulsed R_(ON) measurement ( I_O duration 30ms), ambient (T_A) and case temperature (T_C) are equal.
Applications Information
On-Resistance and Derating Curves
The Output On-Resistance, R_(ON), specified in this data
sheet, is the resistance measured across the output
contact when a pulsed current signal (Io=0.2A) is ap-
plied to the output pins. The use of a pulsed signal (≤
30ms) implies that each junction temperature is equal
to the ambient and case temperatures. The steady-state
resistance, Rss, on the other hand, is the value of the re-
sistance measured across the output contact when a DC
current signal is applied to the output pins for a duration
sufficient to reach thermal equilibrium. Rss includes the
effects of the temperature rise in the device.
Derating curves are shown in Figures 1 and 2, specifying
the maximum output current allowable for a given am-
bient temperature. The maximum allowable output cur-
rent and power dissipation are related by the expression
Rss=Po(max)/(Io(max))² from which Rss can be calculated.
Staying within the safe area assures that the steady state
MOSFET junction temperature remains less than 125°C.
Turn On Time and Turn Off Time Variation
The ASSR-32XX Series exhibits a very fast turn on and
turn off time. Both the turn on and turn off time can be
adjusted by choosing proper forward current as depicted
in Figures 9 and 11. The changes of the turn on and turn
off time with ambient temperature are also shown in
Figures 10 and 12.
10