Datasheet

MAX6775–MAX6781
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= 1.6V to 5.5V, T
A
= -40°C to +85°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
Note 1: Devices are tested at T
A
= +25°C and guaranteed by design for T
A
=T
MIN
to T
MAX
, as specified.
Note 2: Operating range ensures low-battery output is in the correct state. Minimum battery voltage for electrical specification is 1.6V.
Note 3: The rising threshold is guaranteed to be higher than the falling threshold.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LOW-BATTERY OUTPUTS (LBO, LBO1, LBO2)
Propagation Delay t
PD
V
LBI_
+ 100mV to V
LBI_
- 100mV 9 µs
Startup Time V
BATT
rising above 1.6V 3 ms
V
BATT
≥ 1.2V, I
SINK
= 100µA 0.3
V
BATT
≥ 2.7V, I
SINK
= 1.2mA 0.3
Output Low (Push-Pull or
Open-Drain)
V
OL
V
BATT
≥ 4.5V, I
SINK
= 3.2mA 0.3
V
V
BATT
≥ 1.6V, I
SOURCE
= 100µA
0.8 x
V
BATT
V
BATT
≥ 2.7V, I
SOURCE
= 500µA
0.8 x
V
BATT
Output High (Push-Pull ) V
OH
V
BATT
≥ 4.5V, I
SOURCE
= 800µA
0.8 x
V
BATT
V
Output Leakage Current
(Open-Drain)
Output not asserted, V
LBO_
= 5.5V -100 +100 nA
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
MAX6775 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
603510-15
3.0
3.5
4.0
4.5
5.0
5.5
6.0
2.5
-40 85
V
BATT
= 5V
V
BATT
= 3.6V
V
BATT
= 3V
V
BATT
= 2.4V
V
BATT
= 1.6V
PROPAGATION DELAY
vs. TEMPERATURE
MAX6775 toc02
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
603510-15
8
9
10
11
12
7
-40 85
V
BATT
= 5V
100mV OVERDRIVE
V
BATT
= 1.6V
MAXIMUM TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
MAX6775 toc03
THRESHOLD OVERDRIVE V
TH
- V
CC
(mV)
MAXIMUM TRANSIENT DURATION (µs)
10010
10
20
30
40
50
60
70
0
1 1000
OUTPUT ASSERTED ABOVE THIS LINE