Datasheet

Time
T0494-01
50%
50%
I
GATE
V
VCC
t
(prr50-50)
0
90%
t
(pff50-90)
Time
T0492-01
50%
0
V
GATE
V
EN
50%
Time
T0495-01
50%
V
GATE
V
VCC SENSE
V–
t
(prf50-50)
0
TPS24700
TPS24701
SLVSAL3B – MARCH 2011– REVISED MAY 2011 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
–40°C ≤ T
J
≤ 125°C, V
CC
= 12 V, and V
EN
= 3 V.
All voltages referenced to GND, unless otherwise noted.
PARAMETER CONDITIONS MIN NOM MAX UNIT
Fast turnoff, V
GATE
= 14 V 0.5 1 1.4 A
Sinking current Sustained, V
GATE
= 4 V to 23 V 6 11 20 mA
In inrush current limit, V
GATE
= 4 V–23 V 20 30 40 µA
Pulldown resistance Thermal shutdown 14 20 26 kΩ
Turnon delay V
CC
rising to GATE sourcing, t
prr50-50
, See Figure 2 100 250 µs
SENSE
Input bias current V
SENSE
= 12 V, sinking current 30 40 µA
Current limit threshold V
OUT
= 12 V 22.5 25 27.5 mV
Fast-trip threshold 52 60 68 mV
Fast-turnoff duration 8 13.5 18 µs
Fast-turnoff delay V
(VCC–VSENSE)
= 80 mV, C
GATE
= 0 pF, t
prf50–50
, See Figure 3 200 ns
OTSD
Threshold, rising 130 140 °C
Hysteresis
(1)
10 °C
Figure 1. t
pff50–90
Timing Definition Figure 2. t
prr50–50
Timing Definition
Figure 3. t
prf50–50
Timing Definition
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