L9953 datasheet(10/38 Pages) STMICROELECTRONICS

10 / 38 page

Electrical specifications

L9953 / L9953XP

10/38

Doc ID 14278 Rev 3

2.4

Electrical characteristics

VS = 8 to 16V, VCC = 4.5 to 5.3V, Tj = - 40 to 150°C, unless otherwise specified.

The voltages are referred to GND and currents are assumed positive, when the current

flows into the pin.

Table 6.

Temperature warning and thermal shutdown

Symbol

Parameter

Min.

Typ.

Max. Unit

TjTW ON

Temperature warning threshold junction

temperature

130

150

°C

TjSD ON

Thermal shutdown threshold junction

temperature

increasing

170

°C

TjSD OFF

Thermal shutdown threshold junction

temperature

decreasing

150

°C

TjSD HYS Thermal shutdown hysteresis

°K

Table 7.

Supply

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Operating supply voltage

range

728

VS DC supply current

VS = 16V, VCC = 5.3V

active mode

OUT1 - OUT8 floating

720

VS quiescent supply current

VS = 16V, VCC = 0V

standby mode

OUT1 - OUT8 floating

Ttest = -40°C, 25°C

412

µA

Ttest = 85°C

(1)

Guaranteed by design.

625

µA

ICC

VCC DC supply current

VS = 16V, VCC = 5.3V

CSN = VCC , active mode

VCC quiescent supply

current

VS = 16V, VCC = 5.3V

CSN = VCC standby mode

OUT1 - OUT8 floating

µA

IS + ICC

Sum quiescent supply

current

VS = 16V, VCC = 5.3V

CSN = VCC

standby mode

OUT1 - OUT8 floating

Ttest = 130°C

100

µA

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