MLX10801 datasheet(14/41 Pages) MELEXIS

14 / 41 page

IC specification

MLX10801

Power LED driver for automotive applications

Power saving low side coil driver

Electronic fuse

3901010801

Page 14/41

Rev 021

14/July/05

Author: TFR

revised: RAH/SSZ

RESET related parameters

Power on reset level, if

VS is ramped up

vporh

(Reset is

connected to the

internal VDD, but

vporh is measured

on pin VS)

5.0

VDD related parameters (VDD stays only internal)

5V supply voltage range

vdd

VS=13.8V

4.0

5.5

Monoflop related parameters

Monoflop time

tmon

specified under 14.1

Delay time generation for current reduction after power on reset

Delay time

tdelay

specified under 14.1

DAC reference related parameters

DAC reference voltage

vdacref

2,75

3,25

RSENSE related parameters

Input leakage current

ileakrsense

DRVOUT is

switched off

-5

µA

Minimum threshold

voltage on RSENSE of a

given step

vrsensemin

specified under 14.1

Maximum threshold

voltage on RSENSE of a

given step

vrsensemax

specified under 14.1

Stability of a selected step

due to temperature and

supply influence and long

term drift

vrsensestab

-3

DSENSE related parameters

Output leakage current

ileakdsense

CONTR=0

-5

µA

Output current for

temperature measure-

ment

idsense

CONTR=1

(current can only

be adjusted by

Melexis during final

parts test)

120

µA

Minimum temperature

shutdown voltage on pin

DSENSE of a given step

vdsensemin

specified under 14.1

Maximum temperature

shutdown voltage on pin

DSENSE of a given step

vdsensemax

specified under 14.1

Hysteresis between

shutdown and switch on

for a selected trimming

step

vdsensehyst

Stability of a selected step

due to temperature and

supply influence and long

term drift

vdsensestab

-3

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