MP86905

– INTELLI-PHASE SOLUTION W/ INTEGRATED MOSFETS AND DRIVERS

MP86905 Rev. 1.1

www.MonolithicPower.com

5

8/31/2020

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ELECTRICAL CHARACTERISTICS (continued)

VIN = 12V, VDRV = VDD = EN = 3.3V, TA = 25°C for typical value and TJ = -40°C to 125°C for max

and min values, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Minimum PWM pulse width(4)

20

ns

CS sense gain accuracy

15A

≤ IOUT ≤ 50A

-2

0

2

%

CS sense gain

9.7

μA/A

CS offset

IOUT = 0A

-5

5

μA

CS voltage range(4)

VCS

0.7

2.1

V

VTEMP sense gain(4)

10

mV/°C

VTEMP sense offset(4)

TJ = 25°C

-100

mV

Over-temperature shutdown and

fault flag(4)

160

°C

Over-temperature threshold

hysteresis(4)

30

°C

PWM input current

IPWM

VPWM = 3.3V, VEN = 3.3V

660

μA

VPWM = 0V, VEN = 3.3V

-550

μA

PWM logic high voltage

2.35

V

PWM tri-state region

1.10

1.90

V

PWM logic low voltage

0.80

V

FAULT# pull-down

Sink 5mA

0.3

V

NOTE:

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

PWM TIMING DIAGRAM

tRising

tFalling

tLT

tTH

tHT

tTL

SW

PWM

Hi-Z

Hi-Z