MAX6703TKA+TG071 Maxim Integrated, MAX6703TKA+TG071 Datasheet - Page 7
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
Figure 1. MAX6705(A)/MAX6706(A)/MAX6707(A) Functional
Diagram
Figure 2. MAX6704/MAX6708 Functional Diagram
Low-Voltage, SOT23 µP Supervisors with Power-
PFI
V
MR
WDI
V
CC
MR
PFI
CC
Fail In/Out, Manual Reset, and Watchdog Timer
( ) ARE FOR MAX6706(A) ONLY.
4
1
2
6
1
2
4
V
CC
V
0.62V
CC
50kΩ
0.62V
50kΩ
V
REF
V
REF
_______________________________________________________________________________________
GENERATOR
GND
WATCHDOG
MAX6704
MAX6708
3
RESET
TIMER
3
GENERATOR
WATCHDOG
MAX6707(A)
MAX6705(A)
MAX6706(A)
TIMER
RESET
GND
8
7
6
5
RESET
RESET
PFO
WDI
(MAX6704 ONLY)
8
7
5
WDO
PFO
RESET
(RESET)
Figure 3. MAX6701(A)/MAX6702(A)/MAX6703(A) Functional
Diagram
Figure 4. MAX6705/MAX6706/MAX6707 RESET , MR , WDO ,
and WDI Timing
RST_IN1
RESET
WDO
WDI
MR
MR
V
CC
V
V
V
NOTE: THE MAX6706 RESET OUTPUT IS THE INVERSE OF THE RESET SHOWN.
V
V
CC
0V
CC
0V
CC
0V
CC
CC
0V
( ) ARE FOR MAX6702(A) ONLY.
0.62V
V
CC
50kΩ
V
V
REF
TH
V
TH
GENERATOR
RESET
t
RP
MR EXTERNALLY DRIVEN LOW
MAX6701(A)
MAX6702(A)
MAX6703(A)
WATCHDOG
0.62V
TIMER
t
MD
t
RP
RESET (RESET)
WDO
WDI
RST_IN2
7