Rainbow Electronics MAX16021 - Manual (Page 7)

MAX16016/MAX16020/MAX16021
Low-Power µP Supervisory Circuits with
Battery-Backup Circuit and Chip-Enable Gating
_______________________________________________________________________________________ 7
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX16016 toc10
TEMPERATURE ( °C)
NORMALIZED RESET THRESHOLD
-15 60 35 10
0.996
1.000
1.002
1.003
1.005
0.996
1.004
0.999
0.997
1.001
0.998
-40 85
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX16016 toc11
RESET THRESHOLD OVERDRIVE (mV)
MAXIMUM
TRANSIENT
DURATION
(µ
s)
100 50 150
100
50
150
200
250
300
350
400
450
500
0
0 400 350 200 300 250
MAX16020PTEZ+
RESET OCCURS ABOVE THE CURVE
RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX16016 toc12
TEMPERATURE ( °C)
RESET TIMEOUT PERIOD (ms)
-15 60 35 10
192
198
200
202
208
210
194
196
204
206
190
-40 85
MAX16020PTEZ+
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
MAX16016 toc13
TEMPERATURE ( °C)
WATCHDOG TIMEOUT PERIOD (s)
-15 60 35 10
0.6
0.9
1.0
1.1
1.4
1.5
0.7
0.8
1.2
1.3
0.5
-40 85
PFI THRESHOLD
vs. TEMPERATURE
MAX16016 toc14
TEMPERATURE ( °C)
PFI THRESHOLD (V)
-15 60 35 10
0.56
0.59
0.60
0.61
0.64
0.65
0.57
0.58
0.62
0.63
0.55
-40 85
V PFI+
V PFI-
NORMALIZED LL THRESHOLD
vs. TEMPERATURE
MAX16016 toc15
TEMPERATURE ( °C)
NORMALIZED LL THRESHOLD
-15 60 35 10
0.996
1.000
1.002
1.003
1.005
0.995
1.004
0.999
0.997
1.001
0.998
-40 85
V CC TO OUT ON-RESISTANCE
vs. TEMPERATURE
MAX16016 toc07
TEMPERATURE ( °C)
V
CC
TO OUT ON-RESISTANCE (
Ω
)
-15 60 35 10
1
2
3
4
5
0
-40 85
V CC = +3.15V, I OUT = 65mA
BATT TO OUT ON-RESISTANCE
vs. TEMPERATURE (V
CC
= 0V, I
OUT
= 20mA)
MAX16016 toc08
TEMPERATURE ( °C)
BATT TO OUT ON-RESISTANCE (
Ω
)
-15 60 35 10
1
2
3
4
5
0
-40 85
V BATT = 4.5V
V BATT = 2.5V
V BATT = 3V
RESET OUTPUT VOLTAGE LOW
vs. SINK CURRENT
MAX16016 toc09
SINK CURRENT (mA)
RESET OUTPUT VOLTAGE LOW (V)
18 16 14 12 10 8 6 4 2
0.1
0.2
0.3
0.4
0.5
0
0 20
V CC = 3.3V
V CC = 5V
Typical Operating Characteristics (continued)
(V CC = 5V, V BATT = 0V, T A = +25°C, unless otherwise noted.)