Datasheet

MAX6884/MAX6885
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
IN1
–V
IN4
or V
CC
= 5V, AUXIN = WDI = GND, MARGIN = MR = DBP. Typical values are at T
A
= +25°C, unless otherwise noted.)
V
CC
SUPPLY CURRENT
vs. V
CC
SUPPLY VOLTAGE
MAX6884 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
5.64.63.6
0.75
0.80
0.85
0.90
0.95
1.00
0.70
2.6
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
IN1–IN4 SUPPLY CURRENT
vs. IN1–IN4 SUPPLY VOLTAGE
MAX6884 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
5.64.63.6
0.75
0.80
0.85
0.90
0.95
1.00
0.70
2.6
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
NORMALIZED RESET OR UV/0V
TIMEOUT PERIOD vs. TEMPERATURE
MAX8664 toc03
TEMPERATURE (
°
C)
NORMALIZED RESET TIMEOUT PERIOD
6035-15 10
0.985
0.990
0.995
1.000
1.010
1.005
1.015
1.020
0.980
-40 85
PROPAGATION DELAY (µs)
21
22
23
24
25
26
27
28
29
30
20
IN_ TO RESET OR UV/OV
PROPAGATION DELAY vs. TEMPERATURE
MAX6884toc04
TEMPERATURE (
°
C)
603510-15-40 85
100mV OVERDRIVE
NORMALIZED WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
MAX8664 toc05
TEMPERATURE (
°
C)
NORMALIZED WATCHDOG TIMEOUT PERIOD
6035-15 10
0.985
0.990
0.995
1.000
1.010
1.005
1.015
1.020
0.980
-40 85
NORMALIZED IN_ THRESHOLD
0.998
0.997
0.996
0.999
1.000
1.001
1.003
1.002
1.004
1.005
0.995
NORMALIZED IN_ THRESHOLD
vs. TEMPERATURE
MAX6884 toc06
TEMPERATURE (
°
C)
603510-15-40 85
1001011000
MAXIMUM IN_ TRANSIENT
vs. IN_ THRESHOLD OVERDRIVE
MAX6884 toc07
IN_ THRESHOLD OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (µs)
25
50
75
100
125
150
175
200
0
RESET OR UV/OV ASSERTS
ABOVE THIS LINE
OUTPUT VOLTAGE LOW
vs. SINK CURRENT
MAX8664 toc08
SINK CURRENT (mA)
OUTPUT VOLTAGE LOW (mV)
8624
50
100
150
200
300
250
350
400
0
0101214
OUTPUT VOLTAGE HIGH
vs. SOURCE CURRENT (WEAK PULLUP)
MAX8664 toc09
SOURCE CURRENT (mA)
OUTPUT VOLTAGE HIGH (V)
0.250.200.150.100.05
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
0
00.30