NB681- 28V, 6 A, HIGH-CURRENT SYNCHRONOUS BUCK CONVERTER WITH 2-BIT VID

NB681 Rev. 1.04

www.MonolithicPower.com

6

12/28/2017

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ELECTRICAL CHARACTERISTICS (continued)

VIN = 12 V, 3V3 = 3.3 V, TJ = 25C, unless otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Power good low to high delay

PGTd

5

11

µs

EN low to power good low delay

PGTd EN low

1

µs

PG sink current capability

VPG

Sink 4 mA

0.4

V

Thermal protection

Thermal shutdown

(5)

TSD

145

°C

Thermal shutdown hysteresis

(5)

TSD HYS

25

°C

NOTE:

5) Guaranteed by design.