Datasheet

(T
A
= +25°C, unless otherwise noted.)
PIN
NAME FUNCTION
SOT23/SC70 SOT143 µMAX /SO
1 1 1
RESET
Active-Low Reset Output (MAX6806/MAX6808). RESET remains low
while V
CC
is below the reset-threshold voltage or while MR is held high.
RESET
Active-High Reset Output (MAX6807). RESET remains high while V
CC
is below the reset-threshold voltage or while MR is held high.
2 4 4 GND Ground
3 3 2
V
CC Supply Voltage Input
— 2 — MR Active-High Manual Reset Input. Internal 80kW resistor to GND.
— — 3,5–8 N.C. Not Internally Connected
0.9900
0.9940
0.9920
0.9980
0.9960
1.0020
1.0000
1.0040
1.0080
1.0060
1.0100
-40 -15 0-30 15 30 6045 8575
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX6806/7/8-04
TEMPERATURE (°C)
NORMALIZED RESET THRESHOLD
V
CC
RISING (V
TH+
)
V
CC
FALLING (V
TH-
)
4
6
5
7
9
8
11
10
12
-60 -30 0 30 60 12090
POWER-UP RESET DELAY
vs. TEMPERATURE
MAX6806/7/8-03
TEMPERATURE (°C)
DELAY TIME (µs)
V
OD
= V
CC
- V
TH
+
V
OD
= 50mV
V
OD
= 200mV
V
OD
= 100mV
25
29
27
33
31
35
37
43
41
39
45
-60 -30-15 0-45 15 30 45 7560 90 105 120135
POWER-DOWN RESET DELAY
vs. TEMPERATURE
MAX6806/7/8toc02
TEMPERATURE (°C)
RESET DELAY (µs)
V
OD
= V
TH-
- V
CC
= 100mV
V
CC
FALLING AT 1mV/µS
0
10
5
20
15
30
25
35
45
40
50
-60 -30 0 30 60 12090
SUPPLY CURRENT
vs. TEMPERATURE
MAX6806/7/8-01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V
CC
= 5.0V
V
CC
= 3.3V
V
CC
= 1.8V
V
CC
= 1.0V
Maxim Integrated │ 3
www.maximintegrated.com
MAX6806/MAX6807/
MAX6808
Voltage Detectors
Pin Description
Typical Operating Characteristics