MP2884A datasheet(8/107 Pages) MPS

8 / 107 page

MP2884A – DIGITAL PWM CONTROLLER WITH PMBUS AND PWM-VID

MP2884A Rev. 1.01

www.MonolithicPower.com

12/25/2018

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (continued)

VDD33 = 3.3V, EN = 1V, current going into the pin is positive. Typical values are at TA = 25°C.

Parameter

Symbol

Condition

Min

Typ

Max

Units

PMBus DC Characteristics (SDA, SCL)

Input high voltage

VIH

1.35

Input low voltage

VIL

0.8

Input leakage current

-10

μA

Pin capacitance (6)

CPIN

PMBus Timing Characteristics (1MHz) (7)

Operating frequency range

1000

kHz

Bus free time

Between stop and start

condition

0.5

μs

Holding time

0.26

μs

Repeated start condition set-

up time

0.26

μs

Stop condition set-up time

0.26

μs

Data hold time

Data set-up time

Clock low time-out

Clock low period

0.5

μs

Clock high period

0.26

μs

Clock/data fall time

120

Clock/data rise time

120

NOTE:

Guaranteed by design or characterization data, not tested in production.

The device supports 100kHz, 400kHz, and 1MHz bus speeds. The PMBus timing parameters in this table is for operation at 1MHz. If the

PMBus operating frequency is 100kHz or 400kHz, refer to the SMBus specification for timing parameters.

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