LTM4719 datasheet(12/53 Pages) AD

12 / 53 page

Data Sheet

LTM4719

analog.com

Rev. 0

12 of 53

(TA = 25°C, VIN1 = SVIN1 = 24V, VIN2 = SVIN2 = 12V, VINC = VOC = AVCC = DVCC = 3.6V, VSET1 = VSET2 = GND, VBUS = 2.3V, VOUT =

1.8V, EN2 = VBUS, COUT = 1μF, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

Digital input high

current

DIIH

For pins IPK[2:0]

For pins SDA, SCL

Digital input low

current

DIIL

For pins IPK[2:0]

For pins SDA, SCL

Digital output high

voltage

DVOH

For pins IRQ, VINCOK; 1μA out of pin

DVCC –

0.5

Digital output low

voltage

DVOL

For pins IRQ, VINCOK; 1μA into pin

0.5

For pin SDA; 3mA into pin

0.4

I2C Timing Characteristics (See Figure 3)

I2C read address

110010

I2C write address

110010

Clock operating

frequency

fSCL

400

kHz

Bus free time

between

STOP/START

tBUF

1.3

μs

Repeated START

setup time

tSU(STA)

600

Hold time (repeated)

START condition

tHD(STA)

600

Setup time for STOP

condition

tSU(STO)

600

Data setup time

(input)

tSU(DAT)

100

Data hold time

(input)

tHD(DATI)

μs

Data hold time

(output)

tHD(DAT0)

0.9

μs

Clock/data fall time

300

Clock/data rise time

300

Clock low period

tLOW

1.3

μs

Clock high period

tHIGH

0.6

μs

Spike suppression

time

tSP

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