MAX16033 Datasheet, PDF (5/21 Pages) Maxim Integrated Products – Low-Power Battery Backup Circuits in Small μDFN Packages

Low-Power Battery Backup
Circuits in Small µDFN Packages
(T_A = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT
vs. TEMPERATURE
20
V_CC = 5V
19
18
17
16
15
14
13
12
11
10
-40 -15
10
35
60
85
TEMPERATURE (°C)
BATTERY SUPPLY CURRENT
(BACKUP MODE) vs. TEMPERATURE
1.0
V_BATT = 3V
0.9 _{VCC = 0V}
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
BATT-TO-OUT ON-RESISTANCE
vs. TEMPERATURE
1.0
V_CC = 0V
9
8
V_BATT = 2V
7
6
5
4
3
2
V_BATT = 5V
V_BATT = 3V
1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
V_CC-TO-OUT ON-RESISTANCE
vs. TEMPERATURE
1.4
V_CC = 2.5V
1.2
I_OUT = 25mA
1.0
0.8
0.6
V_CC = 3V
I_OUT = 65mA
V_CC = 4.5V
I_OUT = 150mA
0.4
0.2
0
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
RESET TIMEOUT PERIOD
vs. TEMPERATURE
230
V_CC = 5V
225
220
215
210
205
200
195
190
185
180
-40 -15
10
35
60
85
TEMPERATURE (°C)
V_CC-TO-RESET PROPAGATION DELAY
vs. TEMPERATURE
120
V_CC FALLING
105
0.25V/ms
90
75
60
1V/ms
45
30
15
10V/ms
0
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
0.995
0.994
0.993
0.992
0.991
0.990
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
300
RESET OCCURS
ABOVE CURVE
250
200
MAX160_ _-46
(V_TH = 4.63V)
150
MAX160_ _-29
100
(V_TH = 2.93V)
50
0
1
10
100
1000 10,000
RESET THRESHOLD OVERDRIVE (V_TH - V_CC) (mV)
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