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ST Microelectronics - INTERFACE CIRCUIT - RELAY AND LAMP - DRIVER

Numéro de référence TDE1747
Description INTERFACE CIRCUIT - RELAY AND LAMP - DRIVER
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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TDE1747 fiche technique
TDE1747
TDF1747
INTERFACE CIRCUIT – RELAY AND LAMP – DRIVER
OPEN GROUND PROTECTION
HIGH OUTPUT CURRENT
ADJUSTABLE SHORT-CIRCUIT PROTEC-
TION TO GROUND
THERMAL PROTECTION WITH HYSTERE-
SIS TO AVOID THE INTERMEDIATE OUT-
PUT LEVELS
LARGE SUPPLY VOLTAGE RANGE : + 10 V
TO + 45 V
SHORT-CIRCUIT PROTECTION TO VCC
Minidip (DP)
DESCRIPTION
The TDE/TDF1747 is a monolithic comparator de-
signed for high current and high voltage applica-
tions, specifically to drive lamps, relays, stepping
motors.
These device is essentially blow-out proof. Cur-
rent limiting is available to limit the peak output
current to safe values, the adjustment only re-
quires one external resistor. In addition, thermal
shut down is provided to keep the I.C. from over-
heating. If internals dissipation becomes too
great, the driver will shut down to prevent exces-
sive heating. TDE1747 has an open ground pro-
tection. The output is also protected from short-
circuits with the positive power supply.
PIN CONNECTIONS (Top view)
SO14 (FP)
ORDERING NUMBERS:
TDE1747DP
TDE1747FP
TDF1747DP
The device operates over a wide range of supply
voltages from standard ± 15 V operational ampli-
fier supplies down to the single + 12 V or + 24
used for industrial electronic systems.
Minidip
SO14
November 1991
1/11
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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