MAX6703ZKA-T Maxim Integrated, MAX6703ZKA-T Datasheet - Page 7
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MAX6703ZKA-T
Manufacturer Part Number
MAX6703ZKA-T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6701, MAX6701A, MAX6702, MAX6702A, MAX6703, MAX6703A, MAX6704, MAX6705, MAX6705A, MAX6706, MAX6706A, MAX6707, MAX6707A, MAX6708r
Datasheet
1.MAX6702MKA-T.pdf
(12 pages)
Specifications of MAX6703ZKA-T
Number Of Voltages Monitored
3
Monitored Voltage
2.5 V, 3 V, 3.3 V, 5 V
Undervoltage Threshold
2.25 V, Adjustable
Overvoltage Threshold
2.38 V, Adjustable
Output Type
Active Low, Open Drain
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
300 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SOT-23
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