Pin-Selectable, Hex Power-Supply
Supervisory Circuit
Typical Operating Characteristics
(VIN1–VIN4 or VCC = 5V, WDI = GND, TH0–TH4 = MARGIN = MR = DBP, TA = +25°C, unless otherwise noted.)
IN1–IN4 SUPPLY CURRENT
vs. IN1–IN4 SUPPLY VOLTAGE
1.00
0.95
TA = +85°C
0.90
0.85
0.80
TA = +25°C
0.75
TA = -40°C
0.70
2.6
3.6
4.6
5.6
SUPPLY VOLTAGE (V)
VCC SUPPLY CURRENT
vs. VCC SUPPLY VOLTAGE
1.00
0.95
TA = +85°C
0.90
0.85
0.80
TA = +25°C
0.75
TA = -40°C
0.70
2.6
3.6
4.6
5.6
SUPPLY VOLTAGE (V)
RESET TIMEOUT PERIOD vs. TEMPERATURE
(DEFAULT tRP = 200ms)
220
215
210
205
200
195
190
185
180
-40 -15
10
35
60
85
TEMPERATURE (°C)
IN_ TO RESET
PROPAGATION DELAY vs. TEMPERATURE
30
100mV OVERDRIVE
29
28
27
26
25
24
23
22
21
20
-40 -15
10
35
60
85
TEMPERATURE (°C)
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE (DEFAULT tWD = 1.6s)
1.700
1.675
1.650
1.625
1.600
1.575
1.550
1.525
1.500
-40 -15
10
35
60
85
TEMPERATURE (°C)
NORMALIZED IN_ THRESHOLD
vs. TEMPERATURE
1.005
1.004
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
0.995
-40 -15
10
35
60
85
TEMPERATURE (°C)
MAXIMUM IN_ TRANSIENT
vs. IN_ THRESHOLD OVERDRIVE
200
OUTPUT-VOLTAGE LOW vs. SINK CURRENT
400
175
350
150
300
125
250
100
200
RESET ASSERTS
75
ABOVE THIS LINE
150
50
100
25
50
0
1
10
100
1000
IN_ THRESHOLD OVERDRIVE (mV)
0
02
4 6 8 10 12 14
SINK CURRENT (mA)
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