L9935 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

L9935

Two-phase stepper motor driver

STMicroelectronics 

Electrical specifications

L9935

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

IHIGH

ILow

High input current

Low input current

Logic outputs (SDO)

VHigh = VCC

VLow = 0 V

-10

0

10

A

-3

-10 -30

A

VSDO,High High output voltage

VSDO,Low Low output voltage

Oscillator

ISDO = -1 mA

ISDO = 1 mA

VCC-1

VCC-

0.17

VCC

V

-

0.17

1

V

VOSC, H

VOSC, L

IOSC

fOSC

tStart

High peak voltage

Low peak voltage

Charging/discharging current

Oscillator frequency

Oscillator startup time

Thermal protection

EN = LOW

EN = LOW

-

COSC = 1 nF

EN = High Low

2.2 2.46 2.6

V

1

1.23 1.4

V

45

62

80

A

20

25

31

kHz

2/fosc 5/fosc 8/fosc

Thermal shut-down

-

TJ-OFF

Temperature

-

160 180 200

°C

-

-

-

TJ-ALM Thermal pre alarm

-

130 160

-

°C

TMGN Margin pre alarm/shut-down -

10

20

30

K

1. Currents of combinations LH and LL are sensed at the external resistors. The Current of bit combination HL is sensed

internally and cannot be adjusted by changing the sense resistors.

10/29

Doc ID 5198 Rev 10

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