Electrical characteristics (continued) – Rainbow Electronics MAX5970 User Manual
Page 3
0V to 16V, Dual Hot-Swap Controller with 10-Bit
Current and Voltage Monitor and 4 LED Drivers
MAX5970
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 2.7V to 16V, T
A
= -40NC to +85NC, unless otherwise noted. Typical values are at V
IN
= 3.3V and T
A
= +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Current Measurement Error
(100mV Range)
V
MON_
= 0V
V
SENSE_
- V
MON_
= 20mV
-2.70
+2.43
% FS
V
SENSE_
- V
MON_
= 80mV
-3.63
+4.56
V
MON_
= 2.5V
to 16V
V
SENSE_
- V
MON_
= 20mV
-3.14
+3.19
V
SENSE_
- V
MON_
= 80mV
-3.80
+3.93
Fast Current-Limit Threshold
Error (25mV Range)
V
MON_
= 0V
Circuit breaker, DAC = 102
-2.106
+0.888
mV
Circuit breaker, DAC = 255
-2.986
+0.641
V
MON_
= 2.5V
to 16V
Circuit breaker, DAC = 102
-3.000
+1.000
Circuit breaker, DAC = 255
-3.500
+1.500
Fast Current-Limit Threshold
Error (50mV Range)
V
MON_
= 0V
Circuit breaker, DAC = 102
-3.1188
+0.926
mV
Circuit breaker, DAC = 255
-4.873
+0.3421
V
MON_
= 2.5V
to 16V
Circuit breaker, DAC = 102
-3.2668
+0.9228
Circuit breaker, DAC = 255
-4.7
+1.0212
Fast Current-Limit Threshold
Error (100mV Range)
V
MON_
= 0V
Circuit breaker, DAC = 102
-4.7987
+1.1812
mV
Circuit breaker, DAC = 255
-8.9236
+0.202
V
MON_
= 2.5V
to 16V
Circuit breaker, DAC = 102
-4.9991
+0.6374
Circuit breaker, DAC = 255
-8.262
+1
Slow Current-Limit Threshold
Error (25mV Range)
V
MON_
= 0V
Circuit breaker, DAC = 102
-1.7965
+1.5496
mV
Circuit breaker, DAC = 255
-1.86
+1.5916
V
MON_
= 2.5V
to 16V
Circuit breaker, DAC = 102
-2.149
+1.9868
Circuit breaker, DAC = 255
-2.2285
+1.9982
Slow Current-Limit Threshold
Error (50mV Range)
V
MON_
= 0V
Circuit breaker, DAC = 102
-2.3992
+1.8723
mV
Circuit breaker, DAC = 255
-2.5146
+2.1711
V
MON_
= 2.5V
to 16V
Circuit breaker, DAC = 102
-2.4716
+2.181
Circuit breaker, DAC = 255
-2.7421
+2.1152
Slow Current-Limit Threshold
Error (100mV Range)
V
MON_
= 0V
Circuit breaker, DAC = 102
-3.3412
+2.989
mV
Circuit breaker, DAC = 255
-3.8762
+3.6789
V
MON_
= 2.5V
to 16V
Circuit breaker, DAC = 102
-3.2084
+2.7798
Circuit breaker, DAC = 255
-3.8424
+2.6483
Fast Circuit-Breaker
Response Time
t
FCB
Overdrive = 10% of current-sense range
2
F
s
Slow Current-Limit Response
Time
t
SCB
Overdrive = 4% of current-sense range
2.4
ms
Overdrive = 8% of current-sense range
1.2
Overdrive = 16% of current-sense range
0.6
THREE-STATE INPUTS
A_, IRNG_, MODE, PROT
Low Current
I
IN_LOW
Input voltage = 0.4V
-40
F
A
A_, IRNG_, MODE, PROT T
High Current
I
IN_HIGH
Input voltage = V
REG
- 0.2V
40
F
A
A_, IRNG_, MODE, PROT
Open Current
I
FLOAT
Maximum source/sink current for open state
-4
+4
F
A