UCC24612-2DBVT datasheet(7/40 Pages) TI1

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UCC24612

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SLUSCM5 – AUGUST 2017

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6.6 Timing Requirements

At VDD = 12 VDC, CVG = 0 pF, CREG = 2.2 µF, −40°C ≤ TJ = TA ≤ +125°C, all voltages are with respect to VS, and currents are

positive into and negative out of the specified terminal, unless otherwise noted. Typical values are at TJ = +25°C.

TEST CONDITIONS

MIN

NOM

MAX

UNIT

MOSFET VOLTAGE SENSING

tdVGON

Gate turn on propagation delay -1

version

VD moves from 4.7 V to –0.3 V in 5

Gate turn on propagation delay -2

verison

VD moves from 4.7 V to –0.3 V in 5

160

tdVGOFF

Gate turn off propagation delay

VD moves from -0.3 V to 4.7 V in 5

MINIMUM ON-TIME

tON(min)

Minimum SR conduction time

UCC24612 -1

383

UCC24612 -2

550

Adaptive MINIMUM OFF-TIME

tOFFABSMIN

Absolute minimum SR off blanking

time

350

GATE DRIVER

tr_VG

VG rise time

10% to 90%, VDD = 12 V, CVG =

6.8 nF

tf_VG

VG fall time,

90% to 10%, VDD = 12 V, CVG =

6.8 nF

LIGHTLOAD / STANDBY

tSTBY_DET

Standby mode detection time

4.4

fSLEEP

Average frequency entering

standby mode

kHz

fWAKE

Average frequency coming out of

standby mode

kHz

PROTECTION

TTSD

Thermal shut down threshold

165

ºC

THYS

Thermal shut down recovery

hysteresis

ºC

UCC24612-2DBVT Datasheet(PDF) 7 Page - Texas Instruments

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