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TDF1778SP

DUAL 2-A SOURCE DRIVER

STMicroelectronics 

TDF1778

ELECTRICAL CHARACTERISTICS (VCC = + 24V, – 40oC < Tj < + 85oC, unless otherwise specified)

Symbol

VCC

ICC

VIL

VIH

VI

IIH

IIL

VOH

VOL

VCC – VO1

VCC – VO2

IOL

VCC – VO1

VCC – VO2

IO1, IO2

IOalarm

IOsense

IIHsense

VIHsense

Parameter

Power Supply Voltage

Power Supply Current (pin 6), I01 = I02 = 2A

Logic Input Voltage (pins 7, 10, 11)

Logic Input Threshold (pin 5)

High Level Input Current (pins 7, 10, 11) VI = + 2V

Low Level Input Current (pins 7, 10, 11) VI = + 0.8V

High Level Logic Output Voltage (pins 8, 9)

I(8) = I(9) = – 30 µA

Low Level Logic Output Voltage (pins 8, 9)

I(8) = I(9) = 2 mA

Output Saturation Voltage (V(7) high, V(11) high, IO = 2A)

Low Level Input Current (pins 1, 3)

V(7) Low, V(11) Low, VO = 0V

Switch–off Output Voltage (inductive load)

Available Output Current (pins 1, 3), V(7) High, V(11) High,

VCC – VO = 32V, Tj = 25°C

Available ”Alarm” Output Current, V(9) = + 4V

Available ”Sense” Output Current, V(8) = + 4V

Output Sensing High Level Input Current (pins 1, 3) VI = + 2V

High Level ”Sense” Input Voltage (pins 1, 3)

Min. Typ. Max. Unit

8

–

32

V

–

–

20

mA

–

–

0.8

V

2

–

–

–

0.8

–

V

–

20

50

µA

–5

0

+5

µA

V

2.4

4

–

V

–

0.4

–

V

–

1.5

1.8

µA

–

400 1000

40

44

48

V

–

–

100

–

mA

–

4

8

–

mA

4

8

–

mA

–

1

2

mA

0.8

1.9

2.5

V

3/10

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