MAX6886 MAXIM [Maxim Integrated Products], MAX6886 Datasheet - Page 3

• Manufacturer Part Number: MAX6886
• Description: Pin-Selectable, Hex Power-Supply Supervisory Circuit
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
Typical values are at T
Note 1: Device may be supplied from IN1–IN4 or V
Note 2: 100% production tested at T
Note 3: The internal supply voltage, measured at V
Note 4: External capacitor is charged by I
Note 5: External capacitor is discharged by I
MR, MARGIN, TH0–TH4, WDI
Input Voltage
MR Input Pulse Width
MR Glitch Rejection
MR to RESET Delay
MR to Internal DBP Pullup
Current
MARGIN to Internal DBP Pullup
Current
TH0–TH4 Input Current
WDI Pulldown Current
WDI Input Pulse Width
Watchdog Default Timeout Period
Watchdog Adjustable Timeout
Period
SWT Adjustable Timeout Current
SWT Default Timeout Threshold
SWT Adjustable Timeout
Threshold
SWT Adjustable Timeout
Discharge Threshold
SWT Adjustable Timeout Output-
Low Discharge Current
IN1
–V
IN4
PARAMETER
or V
CC
= 2.7V to 5.8V, WDI = GND, TH0–TH4 = MARGIN = MR = DBP, T
_______________________________________________________________________________________
A
= +25°C.) (Notes 1, 2)
A
SYMBOL
V
V
V
I
I
t
SWT-DIS
MARGIN
WD-ADJ
SWT-DEF
SWT-ADJ
Pin-Selectable, Hex Power-Supply
SWT-DIS
= +25°C and T
t
D-MR
I
I
t
t
t
I
V
V
SWT
WDI
WDI
MR
MR
WD
IH
IL
S_T
S_T-DIS
when V
V
V
V
V
C
SWT = GND
V
timeout
(Note 4)
(Note 5)
V
MR
MARGIN
WDI
SWT
SWT
SWT
SWT
CC
CC
down to V
S_T-DIS
A
= 1.4V
.
, equals the maximum of IN1–IN4.
= 0.6V
= V
≥ V
= 0.3V
= 0.33µF
= +85°C. Specifications at T
SWT-DEF
CC
= 1.4V
< V
S_T-DIS
CONDITIONS
S_T
, selects watchdog default
< V
after V
S_T-ADJ
Initial mode
Normal mode
Initial mode
Normal mode
S_T
.
Supervisory Circuit
reaches V
A
= -40°C are guaranteed by design.
A
= -40°C to +85°C, unless otherwise noted.
S_T-ADJ
92.16
-100
MIN
1.44
53.7
0.93
0.95
180
1.4
1.1
0.7
50
.
1
5
5
5
102.4
TYP
82.5
1.43
1.25
1.00
100
200
230
100
1.6
10
10
10
112.64
111.9
+100
MAX
1.76
1.94
1.05
280
0.6
1.5
15
15
15
UNITS
mV
mA
µA
µA
nA
µA
nA
µs
ns
ns
ns
V
V
V
s
s
3