MP4571

– 60V, 1A, SYNCHRONOUS STEP-DOWN CONVERTER

MP4571 Rev. 1.1

www.MonolithicPower.com

8

2/22/2023

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ELECTRICAL CHARACTERISTICS (continued)

VIN = 24V, VEN = 2V, TJ = -40°C to +125°C (6), typical values are at TJ = 25°C, unless otherwise

noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Protections

Peak current limit

IPEAK-LIMIT

20% duty cycle

1.4

1.95

2.5

A

Valley current limit

IVALLEY-LIMIT

1.4

A

Zero cross threshold

IZCD

AAM

-100

140

+300

mA

Negative current limit

INEG-LIMIT

FCCM

-2

-1.3

-0.8

A

Thermal shutdown (7)

TSD

Temperature rising

170

°C

Thermal shutdown

hysteresis (7)

TSD-SYS

25

°C

Notes:

6) Not tested in production. Guaranteed by over-temperature correlation.

7) Derived from the bench characterization. Not tested in production.