L99DZ120 datasheet(25/162 Pages) STMICROELECTRONICS

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L99DZ120

Electrical specifications

161

3.4

Electrical characteristics

3.4.1

Supply and supply monitoring

All SPI communication, logic and oscillator parameters are working down to VSREG = 3.5 V

and parameters are as specified in the following chapters (guaranteed by design).



SPI thresholds



Oscillator frequency (delay times correctly elapsed)



Internal register status correctly kept (reset at default values for VSREG< VPOR)



Reset threshold correctly detected

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

flows into the pin. 6 V ≤ VS ≤ 28 V; 6 V ≤ VSREG ≤ 28 V; Tj = -40 °C to 150 °C, unless

otherwise specified.

Table 6. Supply and supply monitoring

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VSUV

VS undervoltage threshold

VS increasing / decreasing

4.7

5.4

Vhyst_UV

VS undervoltage hysteresis

0.04

0.1

0.2

VSOV

VS overvoltage threshold

VS increasing

22.5

VS decreasing

18.5

22.5

Vhyst_OV

VS overvoltage hysteresis

0.5

1.5

VSREG_UV VSREG undervoltage threshold

VSREG increasing / decreasing

4.2

4.9

Vhyst_UV

VSREG undervoltage hysteresis

0.04

0.1

0.2

VSREG_OV VSREG overvoltage threshold

VSREG increasing

22.5

VSREG decreasing

18.5

22.5

Vhyst_OV

VSREG overvoltage hysteresis

0.5

1.5

tovuv_filt

VS/VSREG over/undervoltage filter

time

µs

IV(act)

Current consumption in Active

mode

VS = VSREG = 12 V; 

TxD LIN = high; V1 = ON;

V2 = ON; HS/LS Driver OFF;

CP = ON

IV(BAT)

Current consumption in

Vbat_standby mode (1)

VS = 12 V; Both voltage

regulators deactivated; HS/LS

Driver OFF

816

µA

IV(BAT)CS

Current consumption in

Vbat_standby mode with cyclic

sense enabled (1)

VS = 12 V; Both voltage

regulators deactivated;

T = 50 ms, tON = 100 µs

130

µA

IV(BAT)CW

Current consumption in

Vbat_standby mode with cyclic

wake enabled (1)

VS = 12 V; Both voltage

regulators deactivated during

standby phase

130

µA

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