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UCC24612-1DBVT Datasheet(PDF) 7 Page - Texas Instruments

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Part # UCC24612-1DBVT
Description  High-Frequency Multi-Mode Synchronous Rectifier Controller
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC24612-1DBVT Datasheet(HTML) 7 Page - Texas Instruments

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UCC24612
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SLUSCM5 – AUGUST 2017
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Copyright © 2017, Texas Instruments Incorporated
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
ns
70
ns
Gate turn on propagation delay -2
verison
VD moves from 4.7 V to –0.3 V in 5
ns
160
tdVGOFF
Gate turn off propagation delay
VD moves from -0.3 V to 4.7 V in 5
ns
16
ns
MINIMUM ON-TIME
tON(min)
Minimum SR conduction time
UCC24612 -1
383
ns
UCC24612 -2
550
ns
Adaptive MINIMUM OFF-TIME
tOFFABSMIN
Absolute minimum SR off blanking
time
350
ns
GATE DRIVER
tr_VG
VG rise time
10% to 90%, VDD = 12 V, CVG =
6.8 nF
35
ns
tf_VG
VG fall time,
90% to 10%, VDD = 12 V, CVG =
6.8 nF
18
ns
LIGHTLOAD / STANDBY
tSTBY_DET
Standby mode detection time
4.4
ms
fSLEEP
Average frequency entering
standby mode
11
kHz
fWAKE
Average frequency coming out of
standby mode
14
kHz
PROTECTION
TTSD
Thermal shut down threshold
165
ºC
THYS
Thermal shut down recovery
hysteresis
15
ºC


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