MAX808N Maxim Integrated Products, MAX808N Datasheet - Page 6

• Manufacturer Part Number: MAX808N
• Description: (MAX801x / MAX808x) Supervisory Circuits
• Manufacturer: Maxim Integrated Products

8-Pin µP Supervisory Circuits
with ±1.5% Reset Accuracy
(V
6
______________________________________________________________Pin Description
____________________________Typical Operating Characteristics (continued)
MAX801
CC
_______________________________________________________________________________________
= 5V, V
1
2
3
4
PIN
BATT
MAX808
1000
100
16
14
12
10
10
8
6
4
2
0
= 2.8V, no load, T
1
1
2
3
4
2.5
1
SLOPE = 1.0
vs. INPUT SUPPLY VOLTAGE
2.6
V
CC
LOWLINE
BATTERY CURRENT
OUTPUT CURRENT
NAME
RESET
10
to OUT VOLTAGE vs.
GND
V
CC
2.7
I
OUT
V
CC
A
(mA)
= +25°C, unless otherwise noted.)
(V)
2.8
100
Input Supply Voltage, nominally +5V. Bypass with a 0.1µF capacitor to GND.
Low-Line Comparator Output. This CMOS-logic output goes low when V
above the reset threshold. Use LOWLINE to generate an NMI, initiating an orderly shut-
down routine when V
Active-Low Reset Output. RESET is triggered and stays low when V
threshold (or during a watchdog timeout for the MAX801). It remains low 200ms after
V
RESET has a strong pull-down but a relatively weak pull-up, and can be wire-OR con-
nected to logic gates. Valid for V
Ground
CC
2.9
rises above the reset threshold (or 200ms after the watchdog timeout occurs).
1000
3.0
CC
is falling. LOWLINE swings between V
CC
≥ 1V. RESET swings between V
1000
FUNCTION
100
1000
100
10
10
1
1
1
MAXIMUM TRANSIENT DURATION vs.
V
SLOPE = 12
RESET THRESHOLD OVERDRIVE (mV)
CC
RESET THRESHOLD OVERDRIVE
= 0V
BATT to OUT VOLTAGE vs.
OUTPUT CURRENT
10
RESET OCCURS
I
OUT
10
(mA)
CC
100
and GND.
CC
CC
is below the reset
and GND.
CC
1000
100
falls to 52mV