L9825 datasheet(4/11 Pages) STMICROELECTRONICS

4 / 11 page

L9825

4/11

ELECTRICAL CHARACTERISTCS

(4.5V

≤ VCC ≤ 5.5V; -40°C ≤ TJ ≤ 150°C; unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply voltage

IccSTB

Standby current

without load

IccOPM

Operating mode

IOUT1 ... 8 = 500mA

SPI - CLK = 3MHz

NCS = LOW

SDO no load

5mA

∆ICC

∆ICC during reverse output

current

Iout = -3A

100

Inputs (NONx. NCS, CLK, SDI, nRes)

VINL

Low level

-0.3

0.2·VCC

VINH

High level

0.7·VCC

VCC+0.3

Vhyst

Hysteresis voltage

0.85

IIN

Input current

VIN = VCC

µA

RIN

Pullup resistance

250

Ω

CIN

Input capacitance

Serial data outputs

VSDOH

High output level

ISDO = -4mA

VCC -0.4

VSDOL

Low output level

ISDO = 3,2mA

0.4

ISDOL

Tristate leakage current

NCS = high; 0V

≤ VSDO ≤ VCC

-10

µA

CSDO

Output capacitance

fSDO = 300kHz

Outputs OUT 1 ... 8

IOUTL1 - 8 Leakage current

OUTx = OFF; VOUTx = 25V; VCC =

100

µA

IOUTL1 - 8 Leakage current

OUTx = OFF; VOUTx = 16V; VCC =

100

µA

IOUTL1 - 8 Leakage current

OUTx = OFF; VOUTx = 16V; VCC =

µA

Vclp

Output clamp voltage

1mA

≤ Iclp ≤ Ioutp; Itest = 10mA

with correlation

RDSon

On resistance OUT 1 ... 8

IOUT = 500mA; Tj = +150°C

1.5

COUT

Output capacitance

VOUT = 16V; f = 1MHz

300

Outputs short circuit protection

ISBC

Overcurrent shutoff threshold

OUT1 ... OUT6

1.05

1.4

2.05

ILIM

Short circuit current limitation

OUT7; OUT8

1.05

1.4

1.75

tSCB

Delay shutdown

for output 1 ... 6; IOUT ≤ 1/2 ISBC

0.2

µs

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