Datasheet

UCC24610
www.ti.com SLUSA87B –AUGUST 2010–REVISED SEPTEMBER 2010
ELECTRICAL CHARACTERISTICS (continued)
At VCC = 5 V
DC
, C
GATE
= 0 pF, R
TON
= 200 kΩ, R
EN/TOFF
= 100 kΩ, −40°C < T
J
= T
A
< 125°C, all voltages are with respect to
GND, and currents are positive into and negative out of the specified terminal, unless otherwise noted. Typical values are at
T
J
= 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Minimum Off-Time Setting
Minimum off-time, low
T
OFFLR
R
EN/TOFF
= 100 kΩ 4.94 7.80 9.86
resistance
Minimum off-time,
T
OFFHR
R
EN/TOFF
= 261 kΩ 0.55 1.37 2.30
high resistance
Minimum off-time, low
T
OFFLV
EN/TOFF = 1.0 V 4.94 7.80 9.86 ms
voltage
Minimum off-time,
T
OFFHV
EN/TOFF = 2.61 V 0.85 1.37 2.10
high voltage
Minimum off-time,
T
OFFOV
3 V < V
EN
< VCC 0.48 0.65 0.82
over-voltage
Gate Driver
GATE pull-up
r
GUP
I
GATE
= -100 mA - 2.0 3.6
resistance, enabled
Ω
GATE pull-down
r
GDN
I
GATE
= 100 mA - 1.6 2.5
resistance, enabled
GATE output high
V
OHG
I
GATE
= -100 mA 4.64 4.80 -
voltage
GATE output low
V
OLG
I
GATE
= 100 mA - 0.16 0.25
voltage
V
GATE output low
V
OLGUV
I
GATE
= 25 mA, VCC = 0 V - 0.70 0.90
voltage, UV
GATE output low
V
OLGOFF
I
GATE
= 25 mA, V
EN
= 0 V - 0.04 0.10
voltage, disabled
t
fGATE
GATE rise time From 1 V to 4 V, C
GATE
= 3300 pF - 14 30
t
rGATE
GATE fall time From 4 V to 1 V, C
GATE
= 3300 pF - 9 25 ns
t
DIS
Disable delay From EN falling to GATE falling 50 100 150
Synchronization
SYNC falling VCC - VCC - VCC -
V
THSYNC
GATE output transitions from High to Low. V
threshold 2.4 2.0 1.6
SYNC propagation
t
SDLY
From SYNC falling to GATE falling 10%. - 20 60 ns
delay
SYNC pull-up
r
SYNC
Internal resistance from SYNC to VCC. 1.6 2.0 2.4 kΩ
resistance
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