MAX820TCPE Maxim Integrated, MAX820TCPE Datasheet - Page 3
![no-image](/images/no-image-200.jpg)
MAX820TCPE
Manufacturer Part Number
MAX820TCPE
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX792, MAX792L, MAX792M, MAX792R, MAX792S, MAX792T, MAX820, MAX820L, MAX820M, MAX820R, MAX820S, MAX820Tr
Datasheet
1.MAX19586ETNTD.pdf
(16 pages)
Specifications of MAX820TCPE
Number Of Voltages Monitored
1
Monitored Voltage
2.75 V to 5.5 V
Undervoltage Threshold
3 V
Overvoltage Threshold
3.15 V
Output Type
Active High, Active Low, Push-Pull
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
280 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Package / Case
PDIP N
Chip Enable Signals
Yes
Maximum Power Dissipation
842 mW
Minimum Operating Temperature
0 C
Power Fail Detection
Yes
Supply Current (typ)
150 uA
Supply Voltage - Min
2.75 V
ELECTRICAL CHARACTERISTICS (continued)
(V
Low-Line Threshold Voltage
(Internal Threshold Mode)—V
Low-Line Threshold Voltage
(External Programming Mode)
Low-Line Hysteresis
(Internal Threshold Mode)
LLIN/REFOUT Leakage Current
External Programming Mode
Low-Line Comparator Delay
LOWLINE Voltage
LOWLINE Short-Circuit Current
Watchdog Timeout Period
Watchdog Input Pulse Width
WDO Output Voltage
WDPO to WDO Delay
WDPO Duration
WDPO Output Voltage
WDI Threshold Voltage
WDI Input Current
CC
LOW-LINE COMPARATOR
WATCHDOG FUNCTION
= 2.75V to 5.5V, T
PARAMETER
_______________________________________________________________________________________
A
= T
MIN
TH
to T
MAX
MAX792/MAX820L/M
MAX792/MAX820R/S/T
MAX792, V
MAX820, V
V
I
I SOURCE
Output source current, V
SWT connected to V
SWT connected to V
4.7nF capacitor connected from SWT to GND ,
V
4.7nF capacitor connected from SWT to GND ,
V
V
I
I
I
I
I
I
I
I
V
V
SINK
SINK
SINK
SOURCE
SOURCE
SINK
SINK
SOURCE
SOURCE
CC
CC
CC
IL
CC
CC
, unless otherwise noted.)
= 0V, V
falling
= 3V
= 5V
= 4.25V
= 2.55V
Microprocessor and Nonvolatile
= 3.2mA
= 50µA, V
= 1.6mA
= 50µA, V
= 1.6mA
= 1µA
= 1mA
= 100µA
= 1mA
= 100µA
IH
CC
CC
= V
Memory Supervisory Circuits
= 5V OR V
= 5V OR V
CC
CC
CC
CONDITIONS
= 1V, V
= 1V, V
CC
CC
, V
, V
CC
CC
CC
CC
CC
CC
CC
= 5.5V
= 3V
= 3V
falling
falling
= 5V
= 3V
V
V
V
V
V
V
CC
CC
IH
IL
IH
IL
= 5V
= 3V
0.75 x V
0.9 x V
V
V
V
V
V
CC
CC
1.274
CC
CC
CC
MIN
1.25
1.00
1.00
100
300
0.5
50
40
- 0.5
- 0.5
- 1
- 1
- 1
CC
CC
±0.01
TYP
1.30
1.30
1.60
1.60
0.01
0.01
120
100
450
100
0.1
1.7
0.1
20
10
70
70
1.326
MAX
1.35
2.25
2.25
0.30
±25
210
210
0.4
0.4
6.0
0.3
0.4
0.8
0.2
±1
50
UNITS
sec
mV
mV
ms
ms
nA
µA
µA
µs
ns
ns
V
V
V
V
V
3