L9823 datasheet(6/12 Pages) STMICROELECTRONICS

部件名	L9823

功能描述	Octal Low-Side Driver for bulb, resistive and inductive loads with serial input control, output protection and diagnostic

PDF	12 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

6 / 12 page

L9823

6/12

Outputs Control Tables :

tdoff

Turn OFF delay

CSB = 50% to RL = 50Ω

VOUT = 0,1·Vbat, Vbat = 16V

µs

dVon/dt

Turn ON voltage slew-rate

90% to 30% of Vbat;

RL = 50Ω; Vbat = 16V

0.7

2.1

3.5

V/µs

dVoff/dt

Turn OFF voltage slew-rate

30% to 90% of Vbat;

RL = 50Ω; Vbat = 16V

0.7

2.1

3.5

V/µs

dVoff

clamp/dt

Turn OFF voltage clamp slew-rate 30% to 80% of VOUT clamp

RL = 500Ω

0.7

2.1

5.5

V/µs

Serial diagnostic link (Load capacitor at SO = 200pF)

fsclk

Clock frequency

50% duty cycle

MHz

tclh

Minimum time SCLK = HIGH

160

tcll

Minimum time SCLK = LOW

160

tpcld

Propagation delay

SCLK to data at SO valid

4.9V

≤ VDD ≤ 5.1V

100

tcsdv

CSB = LOW to data at SO active

100

tsclch

SCLK low before CSB low

Setup time SCLK to CSB change

H/L

100

thclcl

SCLK change L/H after CSB =

Low

Setup time CSB to SCLK change

L/H

100

tscld

SI input setup time

SCLK change H/L after SI data

valid

thcld

SI input hold time

SI data hold after SCLK change

H/L

tsclcl

SCLK low before CSB high

150

thclch

SCLK high after CSB high

15,

tpchdz

CSB L/H to output data float

100

tReset

Minimum Reset time Reset = Low

160

Outputs:

SI-bit

Output

off

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

ELECTRICAL CHARACTERISTCS (continued)

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