L9177 datasheet(14/49 Pages) STMICROELECTRONICS

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Electrical specifications

L9177

14/49

DocID17617 Rev 1

3.5.3

Digital pins

3.5.4

Digital output pins

3.5.5

5 V voltage regulator

Table 9. Digital pins characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Vin_L

Input level threshold low

0.3*Vdd

Vin_H

Input level threshold high

0.7*Vdd

Vhin

Input voltage hysteresis

0.1

R_pull

Internal pull-down/pull-up(1)

150

250



I_pull_down Active pull-down

100

μA

1. Pins with pull-up: SI, SCK, CS, KL-TX;

Pins with pull-down: EN, PWM, ISL-TACH, INO2H, IN_REL1-2, IN1-2;

Pins with active pull-down: DIR.

Table 10. Digital output pins characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Output level low

Isink = 2mA

0.4

Output level high

Isource = 2mA(1)

Vdd-0.5

1. Pins with open drain output: RESET, VROUT;

Pins with push-pull stage and tri-state condition: SDO

Table 11. VDD output electrical characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Vdd

Output voltage

4.9

5.1

Ln_vdd

Line regulation

VB = 6 V to 18 V

Iload = 150 mA

-25

Ld_vdd

Load regulation

VB = 13 V

Iload = 5 mA to 300 mA

-25

Vdd_OS

Max overshoot

Recovery from ISO pulse stimuli on

battery line (guaranteed by design)

5.5

Vdd_SR

Voltage slew-rate at power-

Cload = 4.7 μF

V/ms

Idd

Load current

300

Idd_max

Current limitation

Output short to 4 V

350

600

Idd_STG

Short to ground current

limitation

Output shorted to GND

350

700

PSRR

Power supply rejection ratio

Sin wave @ 1 kHz 1V pp VB = 13 V

Iload = 5 mA to 300 mA

Vdr5

VB - Vdd - Vdd dropout

voltage

VB = 5 V Iload = 300 mA

0.30

0.75

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