Electrical specifications

L5957

6/16

Doc ID 14442 Rev 3

2

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristics

VS = 14.4 V; Tamb = 25 °C; unless otherwise specified.

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VSDC

DC operating supply voltage

30

V

VSTR

Transient supply voltage

50

V

IO

Output current

internally limited

Top

Operating temperature range

-40 to 85

°C

Tstg

Storage temperature

-55 to 150

°C

Tj

Junction temperature

-55 to 150

°C

Pd

Power dissipation Tcase = 85 °C

43

W

Table 3.

Thermal data

Symbol

Parameter

PowerSO Multiwatt

Unit

Rth j-case Thermal resistance junction-to-case

Max.

1.5

1.8

°C/W

Table 4.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Input supplies

Vin1

Input supply voltage 1

Operating

9

-

18

V

Vin2

Input supply voltage 2

Operating

6

-

18

V

Iq

Total quiescent current

Standby (-20 °C to 85 °C)

IGNIN = 5 V

--

70

A

REGx = 5 V, REGsw = 5 V,

IGNIN = 5 V

-5-

mA

Standby (-20 °C to 85 °C)

IGNIN = 5 V, VCC = 18 V

-100

-

µA

Load Dump

Vin1

Battery over voltage

Vin1

18

20

22

V

Load Dump

Vin2

Vin2

18

20

22

V