MAX6781 데이터 시트보기 (PDF) - Maxim Integrated
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MAX6781 Datasheet PDF : 12 Pages
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Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
ELECTRICAL CHARACTERISTICS (continued)
(VBATT = 1.6V to 5.5V, TA = -40°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
LOW-BATTERY OUTPUTS (LBO, LBO1, LBO2)
Propagation Delay
tPD VLBI_ + 100mV to VLBI_ - 100mV
Startup Time
VBATT rising above 1.6V
Output Low (Push-Pull or
Open-Drain)
VBATT ≥ 1.2V, ISINK = 100µA
VOL VBATT ≥ 2.7V, ISINK = 1.2mA
VBATT ≥ 4.5V, ISINK = 3.2mA
MIN
TYP
MAX
9
3
0.3
0.3
0.3
VBATT ≥ 1.6V, ISOURCE = 100µA
0.8 x
VBATT
Output High (Push-Pull )
VOH VBATT ≥ 2.7V, ISOURCE = 500µA
0.8 x
VBATT
VBATT ≥ 4.5V, ISOURCE = 800µA
0.8 x
VBATT
Output Leakage Current
(Open-Drain)
Output not asserted, VLBO_ = 5.5V
-100
+100
UNITS
µs
ms
V
V
nA
Note 1: Devices are tested at TA = +25°C and guaranteed by design for TA = TMIN to TMAX, 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.
(TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
6.0
5.5
VBATT = 5V
5.0
VBATT = 3.6V
VBATT = 3V
4.5
4.0
3.5
VBATT = 2.4V
3.0
VBATT = 1.6V
2.5
-40 -15
10
35
60
85
TEMPERATURE (°C)
Typical Operating Characteristics
PROPAGATION DELAY
vs. TEMPERATURE
12
VBATT = 1.6V
11
10
VBATT = 5V
9
8
100mV OVERDRIVE
7
-40 -15
10
35
60
85
TEMPERATURE (°C)
MAXIMUM TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
70
OUTPUT ASSERTED ABOVE THIS LINE
60
50
40
30
20
10
0
1
10
100
1000
THRESHOLD OVERDRIVE VTH - VCC (mV)
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