MAX16021 Maxim Integrated Products, MAX16021 Datasheet - Page 7

• Manufacturer Part Number: MAX16021
• Description: (MAX160xx) Low-Power uP Supervisory Circuits
• Manufacturer: Maxim Integrated Products

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