SN-3A03 Fujitsu Microelectronics, Inc., SN-3A03 Datasheet - Page 5

• Manufacturer Part Number: SN-3A03
• Description: Solid State Relay I/o Module
• Manufacturer: Fujitsu Microelectronics, Inc.

* AC type without varistor / DC type with zenor diode available.
n BLOCK DIAGRAM
• INPUT MODULE
• OUTPUT MODULE
n CHARACTERISTIC DATA
DC Logic
output
• OUTPUT MODULE
LOAD
LOAD
DC
AC
Photo-transistor
Photo-transistor
Photo-transistor
Photo-triac
coupler
coupler
coupler
coupler
Input
terminal
Input
terminal
Input
terminal
1 (+/–)
Input
terminal
2 (+/–)
3+
4–
3+
4–
1(~)
2(~)
Input
circuit
Input
circuit
(
AC Imput
Circuit
Condenser
Input
Input
Circuit
Photo-triac coupler
Photo-transistor coupler
)
Photo-transistor coupler
Photo-transistor coupler
INSULATIONCIRCUITS
INSULATION CIRCUITS
Buffer
Circuit
Buffer
Circuit
3 V
4 OUT
5 GND
3 V
4 OUT
5 GND
DD
DD
Output
terminal
Output
terminal
~
Output
terminal
~
Output
terminal
+1
–2
1
2
SN SERIES
Input signal
Output signal
Input signal
Output signal
Source voltage
of load
Input signal
Load current
Input signal
Load current
Input/Output waveform
Input/Output waveform
(resistive load)
(resistive load)
OFF
OFF
ON
ON
“H”
“L”
“H”
“L”
OFF
ON
OFF
ON
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