Description
LTC1177-5/LTC1177-12 Isolated MOSFET Drivers .
Features
* s s s s
DESCRIPTIO
s s s s s s
UL Recognized ® File E151738 to UL1577 No Secondary Power Supply Drives Any Logic Level FET Low Input Current: 1mA Typ (LTC1177-5), 2.5mA Typ (LTC1177-12) Turns On in 1ms Typ and Turns Off in 1ms Typ 2500VRMS of Isolation Voltage Isolates Input from High Voltage Tra
Applications
* Solid State Relay
AC 60Hz ISOLATION BARRIER
5V OR 12V
VIN
OUT 20M Si9944DY LTC1177-5 LTC1177-12
SENSE GND1 GND2 OUT
1177 TA03
6
U
W
VIN ISOLATION BARRIER OSCILLATOR φ CHARGE PUMP GND2 1k 1k OUT SENSE φ GND1
1177 BD01
2.5V OR 6V
2.5V OR 6V
tOFF
Isolated High Side Switch with Fold-Back Curre