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SLUS651C – MARCH 2005 – REVISED MAY 2010
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage, VDD
Supply bypass capacitance
Reference bypass capacitance
Operating junction temperature
MIN
4.25
1
0.22
-40
105
TYP
12
MAX
14.5
UNIT
V
µF
°C
ELECTRICAL CHARACTERISTICS
V
DD
= 12 V, 4.7-µF capacitor from V
DD
to GND, T
A
= T
J
= -40°C to 105°C, (unless otherwise noted).
PARAMETER
SUPPLY SECTION
Supply current, OFF
Supply current
VDD UVLO ON
VDD UVLO OFF
VDD UVLO hysteresis
REFERENCE / EXTERNAL BIAS SUPPLY
3V3 initial set point
3V3 over temperature
3V3 load regulation
3V3 line regulation
Short circuit current
3V3 OK threshold, ON
3V3 OK threshold, OFF
INPUT SIGNAL
HIGH, positive-going input threshold
voltage (VIT+)
LOW negative-going input threshold
voltage (VIT-)
Input voltage hysteresis, (VIT+ -
VIT-)
Frequency
CURRENT LIMIT (ILIM)
ILIM internal current limit threshold
ILIM current limit threshold
ILIM minimum current limit threshold
CLF output high level
CLF output low level
Propagation delay from IN to CLF
ILIM = OPEN
I
LIM
= 0.75 V
I
LIM
= 0.25 V
CS > I
LIM
, I
LOAD
= -7 mA
CS
≤
I
LIM
, I
LOAD
= 7 mA
IN rising to CLF falling after a current limit event
10
0.466
0.975
0.700
0.21
2.64
0.66
20
0.50
1.025
0.725
0.23
0.536
1.075
0.750
0.25
V
V
mV
V
ns
ILIM maximum current limit threshold I
LIM
= 3.3 V
1.65
1.16
0.6
2.08
1.5
0.8
2
MHz
V
I
LOAD
= 1 mA to 10 mA, VDD = 5 V
VDD = 4.75 V to 12 V, I
LOAD
= 10 mA
VDD = 4.75 to 12 V
3.3 V rising
3.3 V falling
11
2.9
2.7
T
A
= 25°C
3.267
3.234
3.3
3.3
1
1
20
3.0
2.8
3.333
3.366
6.6
6.6
35
3.1
2.9
V
mV
mA
V
V
DD
= 4.2 V
Outputs not switching IN = LOW
4.25
4.05
150
200
1.5
4.5
4.25
250
400
2.5
4.75
4.45
350
µA
mA
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOW VOLTAGE UNDER-VOLTAGE LOCKOUT
V
mV
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