LTC1177-5_02 Datasheet, PDF (7/8 Pages) Linear Technology – Isolated MOSFET Drivers

TYPICAL APPLICATIONS
LTC1177-5/LTC1177-12
Solid State Relay
ISOLATION BARRIER
V_IN
OUT
LTC1177-5
20M
LTC1177-12
GND1
V_IN
SENSE
GND2
OUT
LTC1177-5
LTC1177-12
GND1
SENSE
GND2
AC 60Hz
IRFR224
OUT
1177 TA05
Fully Floating 50°F to 100°F Thermostat
5V OR 12V
1
9
LTC1177-5
LTC1177-12
GND
18 10 11
49.9k
4.32k
5k
6.81k
*
49.9Ω
1
ON/OFF
V^{+ 8}
2
7
V_IN
V_P-P
LTC1041
3
SET POINT
6
OSC
4
GND
5
DELTA
DELTA = 0.5°F
7, 8
10M
+
10µF
2
1, 3
4
56Ω
100nF
26VAC
2-WIRE
THERMOSTAT
Si9955DY _{5, 6}
1µF
ALL RESISTORS 1%
* YELLOW SPRINGS INSTRUMENT CO. INC. P/N 44007
DRIVING THERMISTOR WITH V_P-P ELIMINATES 3.8°F
SELF-HEATING ERROR
1177 TA06
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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