MAX6703TKA+TG071 Maxim Integrated, MAX6703TKA+TG071 Datasheet - Page 5
MAX6703TKA+TG071
Manufacturer Part Number
MAX6703TKA+TG071
Description
Supervisory Circuits Triple uPower Supervisor
Manufacturer
Maxim Integrated
Series
MAX6701, MAX6701A, MAX6702, MAX6702A, MAX6703, MAX6703A, MAX6704, MAX6705, MAX6705A, MAX6706, MAX6706A, MAX6707, MAX6707A, MAX6708r
Datasheet
1.MAX6703TKATG071.pdf
(12 pages)
Specifications of MAX6703TKA+TG071
Rohs
yes
Number Of Voltages Monitored
3
Monitored Voltage
2.5 V, 3 V, 3.3 V, 5 V
Undervoltage Threshold
4.5 V, Adjustable
Overvoltage Threshold
4.75 V, Adjustable
Output Type
Active Low, Open Drain
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Chip Enable Signals
No
Maximum Power Dissipation
714 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
12 uA
Supply Voltage - Min
1.2 V
Low-Voltage, SOT23 µP Supervisors with Power-
MAX6701(A)
MAX6702(A)
MAX6703(A)
Fail In/Out, Manual Reset, and Watchdog Timer
—
—
—
1
2
3
6
7
MAX6704
—
_______________________________________________________________________________________
1
2
3
4
5
6
7
PIN
MAX6705(A)
MAX6706(A)
MAX6707(A)
—
1
2
3
4
5
6
7
MAX6708
—
1
2
3
4
5
6
7
RESET
NAME
GND
N.C.
V
PFO
WDI
MR
PFI
CC
Active-Low, Manual Reset Input, Internal 50kΩ Pullup to V
Pull low to force a reset. Reset remains active as long as MR is
low and the reset timeout period after MR goes high. Leave
unconnected or connect to V
when MR is low ( M AX 6701( A) /M AX 6702( A) /M AX 6703( A) /
M AX 6705( A) / M AX 6706( A) /M AX 6707( A) onl y) .
S up p l y V ol tag e for M AX 6701–M AX 6708 and Inp ut for P r i m ar y
Reset Thr eshol d M oni tor . P ush- p ul l outp uts ar e p ow er ed b y V
Ground
Power-Fail Voltage Monitor Input. High-impedance input for
internal power-fail comparator. Connect this pin to an external
resistive-divider network to set the reset threshold voltage;
0.62V (typ) threshold. Connect to GND or V
Power-Fail Monitor Output. Open drain or push-pull active low.
PFO goes low when PFI is less than 0.62V.
Watchd og Inp ut. If WD I r em ai ns hi g h or l ow for l ong er than the
w atchd og ti m eout p er i od , the i nter nal w atchd og ti m er r uns out and
WDO i s asser ted . WDO i s asser ted l ow after each w atchd og
over fl ow and r em ai ns l ow unti l the w atchd og ti m er i s cl ear ed ( the
r eset outp ut i s not affected ) . The i nter nal w atchd og ti m er cl ear s
w henever a V
r eset i s asser ted , or WD I sees a r i si ng or fal l i ng ed g e. The
w atchd og ti m er r em ai ns cl ear ed unti l the r eset outp ut i s
d easser ted . On the M AX 6704, RES ET p ul se asser ts for the r eset
ti m eout p er i od after each w atchd og ti m eout over fl ow . The
w atchd og ti m er cannot b e d i sab l ed .
No Connection. Not internally connected.
Acti ve- Low Reset Outp ut ( Op en D r ai n or P ush- P ul l ) . RES ET
chang es fr om hi g h to l ow w hen the V
sel ected r eset thr eshol d ( or RS T_IN 1/ RS T_IN 2 for the
M AX 6701( A) /M AX 6702( A) /M AX 6703( A) , MR i s p ul l ed l ow , or the
w atchd og tr i g g er s a r eset ( M AX 6704 onl y) . RES ET r em ai ns l ow for
the r eset ti m eout p er i od after the r eset cond i ti ons ar e ter m i nated .
C C
/RS T_IN 1/RS T_IN 2 r eset i s asser ted , the m anual
FUNCTION
CC
if unused. WDO deasserts
C C
Pin Description
i np ut d r op s b el ow the
CC
when not used.
CC
C C
.
.
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