L9826 datasheet(5/12 Pages) STMICROELECTRONICS

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L9826

Outputs short circuit protection

ISBC

Overcurrent shutoff threshold

OUT3 ... OUT8

0.45

1.1

ILIM

Short circuit current limitation

OUT1; OUT2

0.5

1,0

tSCB

Delay shutdown

for output 3 ... 8; IOUT ≤ 1/2 ISCB

0.2

3,0

µs

Diagnostics

VDG

Diagnostic threshold voltage

0.32·V

0.4·VC

IOL

Open load detection sink

current

Vout = VDG

100

µA

tdf

Diagnostic detection filter time

for output 1 & 2 on each

diagnostic condition

µs

Outputs timing

tdon1

Turn ON delay of OUT 1 and 2

NON1, 2 = 50% to VOUT = 0,9·Vbat

NCS = 50% to VOUT = 0,9·Vbat

5µs

tdon2

Turn ON delay of OUT 3 to 8

NCS = 50% to VOUT = 0,9·Vbat

µs

tdoff

Turn OFF delay of OUT 1 to 8

NCS = 50% to VOUT = 0,1·Vbat

NON1, 2 = 50% to VOUT = 0,1·Vbat

µs

dUon1/dt

Turn ON voltage slew-rate

For output 3 to 8; 90% to 30% of

Vbat; RL = 500Ω; Vbat = 16V

0.7

3.5

V/µs

dUon2/dt

Turn ON voltage slew-rate

For output 1 and 2; 90% to 30% of

Vbat; RL = 500Ω; Vbat = 16V

V/µs

dUoff1/dt

Turn OFF voltage slew-rate

For output 1 to 8; 30% to 90% of

Vbat; RL = 500Ω; Vbat = 16V

V/µs

dUoff2/dt

Turn OFF voltage slew-rate

For output 1 to 8; 30% to 80% of

Vbat; RL = 500Ω; Vbat = 0.9 · Vclp

V/µs

Serial diagnostic link (Load capacitor at SDO = 100pF)

fclk

Clock frequency

50% duty cycle

MHz

tclh

Minimum time CLK = HIGH

160

tcll

Minimum time CLK = LOW

160

tpcld

Propagation delay

CLK to data at SDO valid

4,9V

≤ VCC ≤ 5,1V

100

tcsdv

NCS = LOW to data at SDO

active

100

tsclch

CLK low before NCS low

Setup time CLK to NCS change H/L

100

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

ELECTRICAL CHARACTERISTCS (continued)

L9826 Datasheet(PDF) 5 Page - STMicroelectronics

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