MAX16039 Maxim Integrated Products, MAX16039 Datasheet - Page 6

• Manufacturer Part Number: MAX16039
• Description: (MAX16033 - MAX16040) Low-Power Battery Backup Circuits
• Manufacturer: Maxim Integrated Products

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Low-Power Battery Backup
Circuits in Small µDFN Packages
(T
6
A
-0.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
3.0
2.5
2.0
1.5
1.0
0.5
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
0
0
0
0
V
V
TH
BATT
0.5
vs. CEOUT LOAD CAPACITANCE
V
= 2.93V
25
BATTERY SUPPLY CURRENT
BATT
CEIN PROPAGATION DELAY
= 2.3V
1.0 1.5 2.0 2.5
CEOUT LOAD CAPACITANCE (pF)
V
vs. SUPPLY VOLTAGE
V
= 2.5V
CC
50
BATT
SUPPLY VOLTAGE (V)
= 3V
3.50
5.00
4.75
4.50
4.25
4.00
3.75
3.25
3.00
2.75
2.50
2.25
2.00
= 2.8V
75
-40
FALLING EDGE
100
3.0 3.5
V
CC
-15
= 5V
125
PFI-TO-PFO DELAY
vs. TEMPERATURE
4.0
TEMPERATURE (°C)
150
10
4.5
175
5.0
35
V
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
OD
Typical Operating Characteristics (continued)
60
35
30
25
20
15
10
= 30mV
5
0
-40
-40
MAX16036/
MAX16040
CEIN TO CEOUT ON-RESISTANCE
85
-15
-15
RESETIN THRESHOLD
vs. TEMPERATURE
vs. TEMPERATURE
V
TEMPERATURE (°C)
CC
TEMPERATURE (°C)
= 3V
10
V
10
CC
= 5V
35
35
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
60
60
-40
85
85
-15
vs. TEMPERATURE
PFI THRESHOLD
TEMPERATURE (°C)
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
3.0
2.8
2.5
2.3
2.0
1.8
1.5
1.3
1.0
10
-40
-40
MAX16036/
MAX16040
V
RESETIN-TO-RESET PROPAGATION
CC
WATCHDOG TIMEOUT PERIOD
= 5V
35
DELAY vs. TEMPERATURE
-15
-15
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
60
10
10
85
35
35
V
OD
60
60
= 50mV
85
85