MAX4373/MAX4374/MAX4375
VCC
OUTPUT
100s/div
0
2V
6V
0
POWER-UP DELAY
MAX4373 toc19
AV = +20V/V
OUTPUT
VCC
5V
0
COMPARATOR POWER-UP DELAY
MAX4373 toc20
VCC = VPULL-UP
10s/div
Low-Cost, Micropower, High-Side Current-Sense
Amplifier + Comparator + Reference ICs
_______________________________________________________________________________________
7
590
593
592
591
594
595
596
597
598
599
600
010
5
15202530
COMPARATOR TRIP POINT vs.
SUPPLY VOLTAGE
MAX4373
toc21
SUPPLY VOLTAGE (V)
TRIP
POINT
(mV)
INPUT
125mV/div
OUTPUT
2.5V/div
2s/div
COMPARATOR PROPAGATION DELAY
MAX4373
toc22
VOD = 5mV
2
2.4
2.2
2.8
3.0
2.6
3.4
3.6
3.2
3.8
080
40
120
160
20
100
60
140
180 200
COMPARATOR PROPAGATION DELAY
vs. OVERDRIVE VOLTAGE
MAX4373
toc24
OVERDRIVE VOLTAGE (mV)
PROGAGATION
DELAY
(
s)
Typical Operating Characteristics (continued)
(VRS+ = +12V, VCC = +12V, RLOAD = 1M, VRESET = 0V, VSENSE = 100mV, VPULL-UP = +5V, RPULL-UP = 10k, TA = +25°C, unless
otherwise noted.)
0
2
1
4
3
6
5
7
-50
-10
10
-30
30507090
COMPARATOR PROPAGATION DELAY
vs. TEMPERATURE
MAX4373
toc26
TEMPERATURE (°C)
PROPAGATION
DELAY
(
s)
VOD = 5mV