MP3326

– 16-CHANNEL LED DRIVER WITH I2C AND SEPARATED PDIM/ADIM

MP3326 Rev. 1.0

www.MonolithicPower.com

7

1/4/2021

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© 2021 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS (continued)

VIN = 5V, VEN = 3.5V, TJ = 25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

LED string open-load

protection time

tLEDO

VLEDX < 100mV

4

ms

LED string open-load

protection hiccup time

tSLP_HICCUP

1

ms

LED string open-load

protection hiccup detection

time

VSLP_DET

32

μs

Thermal shutdown threshold

(5)

TST

170

℃

Thermal shutdown

hysteresis (5)

TST_HYS

20

℃

I2C Interface

Input logic low

VIL

0

0.4

V

Input logic high

VIH

1.3

V

Output logic low

VOL

ILOAD = 3mA

0.4

V

SCL clock frequency

fSCL

1200

kHz

SCL high time

tHIGH

0.32

μs

SCL low time

tLOW

0.12

μs

Data set-up time

tSU_DAT

10

ns

Data hold time

tHD_DAT

0

0.15

μs

Repeated start set-up time

tSU_STA

0.16

μs

Hold time for start

tHD_STA

0.16

μs

Stop condition set-up time

tSU_STO

0.16

μs

SCL rise time after a

repeated start condition and

an acknowledge bit

tRCL1

20

160

ns

SCL rise

tRCL

20

80

ns

SCL fall time

tFCL

20

80

ns

SDA rise time

tRDA

20

160

ns

SDA fall time

tFDA

20

160

ns

Pulse width of suppressed

spike

tSP

0

10

ns

Capacitance bus for each

bus line

CB

400

pF

Note:

5) Not tested in production. Guaranteed by characterization.