Electrical characteristics (continued) – Rainbow Electronics MAX5970 User Manual
Page 4
0V to 16V, Dual Hot-Swap Controller with 10-Bit
Current and Voltage Monitor and 4 LED Drivers
MAX5970
4 ______________________________________________________________________________________
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
A_, IRNG_, MODE, PROT
Low Voltage
Relative to AGND
0.4
V
A_, IRNG_, MODE, PROT
High Voltage
Relative to REG
-0.24
V
TWO-STATE INPUTS
ON_ Input Voltage
V
ON_
0.582
0.592
0.602
V
ON_ Input Hysteresis
V
ON_HYS
4
%
ON_ Input Current
-100
+100
nA
TIMING
MON_ to PG_ Delay
Register configurable
(see Tables 31a and 31b)
50
ms
100
200
400
CHARGE PUMP (GATE_)
Charge-Pump Output Voltage
Relative to MON_, I
GATE
= 0
4.5
5.1
5.5
V
Charge-Pump Output Source
Current
I
G(UP)
4
5
6
F
A
GATE_ Discharge Current
I
G(DN)
V
GATE_
- V
MON_
= 2V
500
mA
OUTPUT (FAULT_, PG_, ALERT)
Output-Voltage Low
I
SINK
= 3.2mA
0.2
V
Output Leakage Current
1
F
A
LED INPUT/OUTPUT
LED_ Input Threshold Low Level
V
IL
0.4
V
LED_ Input Threshold High Level
V
IH
1.4
V
LED_ Output Low
V
OL
I
LED_
= 25mA
0.7
V
LED_ Input Leakage Current
(Open Drain)
I
GPIO_IX
V
LED_
= 16V
-1
+1
F
A
LED_ Weak Pullup Current
I
PU_WEAK
V
LED_
= V
IN
- 0.65V
2
F
A
ADC PERFORMANCE
Resolution
10
Bits
Maximum Integral Nonlinearity
INL
1
LSB
ADC Total Monitoring Cycle
Time
Two voltage and two current-sense conversion
95
100
110
F
s
MON_ LSB Voltage
16V range
15.23
15.49
15.69
mV
8V range
7.655
7.743
7.811
4V range
3.811
3.875
3.933
2V range
1.899
1.934
1.966
MON_ Code 000H to 001H
Transition Voltage
16V range
10
25
41
mV
8V range
4.7
12
21
4V range
2
6
12
2V range
0.5
3
5.5