
MAX16016/MAX16020/MAX16021
Low-Power µP Supervisory Circuits with
Battery-Backup Circuit and Chip-Enable Gating
6 _______________________________________________________________________________________
V
CC
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX16016 toc01
SUPPLY VOLTAGE (V)
I
CC
(µA)
5.04.54.03.53.02.52.0
1
2
3
4
5
0
1.5 5.5
MAX16020PTEZ+
V
CC
SUPPLY CURRENT
vs. TEMPERATURE (I
OUT
= 0)
MAX16016 toc02
TEMPERATURE (°C)
I
CC
(µA)
-15 603510
1
2
3
4
5
6
0
-40 85
MAX16020PTEZ+
BATT SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX16016 toc03
SUPPLY VOLTAGE (V)
I
BATT
(µA)
5.03.00.5 4.51.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
05.52.01.5 4.03.52.5
MAX16020PTEZ+
V
BATT
= 2.5V
BATTERY SUPPLY CURRENT
vs. TEMPERATURE (V
CC
= 0V)
MAX16016 toc04
TEMPERATURE (°C)
I
BATT
(µA)
-15 603510
0.1
0.2
0.3
0.4
0.5
0
-40 85
V
BATT
= +3.0V
BATT STANDBY CURRENT
vs. TEMPERATURE
MAX16016 toc05
TEMPERATURE (°C)
BATT STANDBY CURRENT (nA)
-15 603510
-4
0
2
3
5
-5
4
-1
-3
1
-2
-40 85
V
CC
= 3.2V
V
BATT
= 3.0V
V
CC
TO OUT ON-RESISTANCE
vs. SUPPLY VOLTAGE
MAX16016 toc06
SUPPLY VOLTAGE (V)
V
CC
TO OUT ON-RESISTANCE (Ω)
2.52.0 3.0
1.0
0.5
1.5
2.0
2.5
3.0
3.5
4.0
0
1.5 5.55.03.5 4.54.0
MAX16020PTEZ+
I
OUT
= 25mA
I
OUT
= 10mA
Typical Operating Characteristics
(V
CC
= 5V, V
BATT
= 0V, T
A
= +25°C, unless otherwise noted.)
Table 2. Low-Line Threshold Ranges
LOW-LINE THRESHOLD RANGES (V)
SUFFIX
MIN TYP MAX
L 4.627 4.806
4.955
M 4.378 4.543
4.683
T 3.075 3.181 3.274
S
2.922
3.023
3.111
R
2.620
2.409
2.787
Z
2.309
2.383
2.450
Y
2.180
2.246
2.311
W
1.653
1.704
1.752
V
1.563
1.612
1.657
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