L99ASC03 datasheet(34/73 Pages) STMICROELECTRONICS

34 / 73 page

Electrical specifications

L99ASC03

34/73

DocID023504 Rev 7

ISMS

VSMS DC input current

VS =VSREG =VSMS =12 V;

active mode; SLx vs. GND

2mA

ISMSQ

VSMS quiescent input current

VS =VSREG =VSMS =12 V;

INH = 0; TTest = -40°C to 25°C;

open outputs

µA

Table 12. Supply and supply monitoring (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Table 13. Power-on RESET (VSREG)

(1)

All outputs open

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VPORSREG,rising Threshold (VSREG increasing)

4.5

VPORSREG,falling Threshold (VSREG decreasing)

VPORSREG,hyst

Hysteresis

0.3

Table 14. Voltage regulator VDD

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VDD

Output voltage

5.0

VDD

Output voltage tolerance,

active mode

ILOAD = 0 mA to 200 mA;

6V <VS <18V;

-40 °C < Tj <25°C

-2

VDD

Output voltage tolerance,

active mode

ILOAD = 0 mA to 200 mA; full

temperature range

-3.5

3.5

tSST

(1)

Startup settling time from VDD

standby to Active mode (no

NRES)

20 µA to 50 mA;

VDD ±2%; CEXT =47µF;

dI/dt = 50 mA/µs

250

µs

20 µA to 100 mA;

VDD ± 2.5%; CEXT =47 µF;

dI/dt = 100 mA/µs

130

µs

VDP

Drop-out Voltage

ILOAD = 50 mA; VSREG = 4.5 V

0.2

0.4

ILOAD =100 mA; VSREG =4.5 V

0.3

0.5

IDD

Output current in active mode

Max. continuous load current

200

IDDinrush

(1)

Inrush current capability

VSREG > 6 V; VDD >VRT2;

CEXT ≥ 4.7 µF

200

IDDpeak

Peak output current

VSREG >6 V; VDD >VRT2

300

IDDshort

Short circuit output current

Current limitation

300

600

950

tTSD

VDD deactivation time after

thermal shutdown

0.8

1.0

1.5

ICMPRISE

Current comparator rising

threshold

Rising current

3.6

4.6

ICMPFALL

Current comparator falling

threshold

Falling current

2.0

3.4

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