SLUS846 – SEPTEMBER 2008
.........................................................................................................................................................................................
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ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range,
−40°C
< T
A
< 125°C, T
J
= T
A
, VCC = 12 V, GND = 0 V, R
RT
= 4.7 kΩ, R
DT
= 16.9
kΩ, C
VCC
= 1
µF,
(unless otherwise noted)
SYMBOL
Peak Current Limit
V
OC1(off)
V
OC2(off)
V
OC1(on)
T
d_OC
I
OC
Gate Drive
GD1, GD2 output voltage high
GD1, GD2 on resistance high
GD1, GD2 output voltage low
GD1, GD2 on resistance low
Rise time GDx
Fall time GDx
GD1, GD2 output voltage during
UVLO
Thermal Shutdown
Thermal shutdown threshold
Thermal shutdown recovery
threshold
160
140
°C
I
GD1
, I
GD2
=
−20
mA
I
GD1
, I
GD2
=
−20
mA
I
GD1
, I
GD2
= 20 mA
I
GD1
, I
GD2
= 20 mA
1 V to 9 V, C
LOAD
= 1 nF
9 V to 1 V, C
LOAD
= 1 nF
VCC = 6 V, I
GD1
, I
GD2
= 1.2 mA
0.5
9
12
0.08
4
18
12
11
30
0.2
10
35
25
1.75
V
Ω
V
Ω
ns
V
Level 1 over current threshold – V
OC
rising
Level 2 over current latch threshold
– V
OC
rising
Level 1 over current threshold – V
OC
falling
Propagation delay
OC bias current
V
OC
= 0.8 V
0.9
1.8
0.5
60
-200
1
2.0
0.6
200
1.1
2.2
0.7
500
200
ns
nA
V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
4
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