MAX6439 Maxim, MAX6439 Datasheet - Page 6

• Manufacturer Part Number: MAX6439
• Description: Low-Power / Single-/Dual-Level Battery Monitors with Hysteresis and Integrated P Reset
• Manufacturer: Maxim

Low-Power, Single-/Dual-Level Battery Monitors
with Hysteresis and Integrated µP Reset
(V
6
BATT
120
110
100
90
80
70
60
_______________________________________________________________________________________
10
= 1.2V to 5.5V, V
MAXIMUM V
vs. LTH THRESHOLD OVERDRIVE
LTH THRESHOLD OVERDRIVE (mV)
LBO ASSERTS ABOVE
BATT
1.050
1.025
1.000
0.975
0.950
140
120
100
80
60
40
20
THIS LINE
0
TRANSIENT DURATION
-40
100
CC
0
RESET OUTPUT vs. SINK CURRENT
NORMALIZED RESET THRESHOLD
= 1.2V to 5.5V, unless otherwise specified. Typical values are at T
-20
V
2
CC
vs. TEMPERATURE
TEMPERATURE (°C)
= 2.1V, V
0
4
I
SINK
20
1000
(mA)
BATT
6
40
RESET ASSERTED
= 3.6V
Typical Operating Characteristics (continued)
60
55
50
45
40
35
30
25
20
60
8
10
MAXIMUM V
80
vs. V
10
V
TH
TH
THRESHOLD OVERDRIVE (mV)
RESET ASSERTS ABOVE
THRESHOLD OVERDRIVE
CC
TRANSIENT DURATION
THIS LINE
100
3.50
3.25
3.00
2.75
2.50
120
100
80
60
40
20
0
0
1000
0
RESET OUTPUT vs. SOURCE CURRENT
LBO OUTPUT vs. SINK CURRENT
0.5
V
V
CC
2
1.050
1.025
1.000
0.975
0.950
CC
A
1.0
= 3.3V, V
= 3.3V, V
= +25°C.)
(LTH) TRIP VOLTAGES vs. TEMPERATURE
-40
NORMALIZED UPPER (HTH) AND LOWER
I
SOURCE
1.5
4
I
SINK
-20
(mA)
BATT
UPPER TRIP VOLTAGE
(mA)
2.0
BATT
LOWER TRIP VOLTAGE
6
= 3.6V
LBO ASSERTED
TEMPERATURE (°C)
= 2.1V
2.5
0
8
20
3.0
3.5
40
10
60
80