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LM3704 bảng dữ liệu(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM3704
Giải thích chi tiết về linh kiện  Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
PDF  17 Pages
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Trang chủ  http://www.national.com
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LM3704 bảng dữ liệu(HTML) 5 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
CC)
−0.3V to 6.0V
All Other Inputs
−0.3V to V
CC + 0.3V
ESD Ratings (Note 2)
Human Body Model
Machine Model
1.5kV
150V
Power Dissipation
(Note 3)
Operating Ratings (Note 1)
Temperature Range
−40˚C
≤ T
J
≤ 85˚C
LM3704/LM3705 Series Electrical Characteristics
Limits in the standard typeface are for T
J = 25˚C and limits in boldface type apply over full operating range. Unless otherwise
specified: V
CC = +2.2V to 5.5V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
POWER SUPPLY
V
CC
Operating Voltage
Range: V
CC
LM3704
1.0
5.5
V
LM3705
1.2
5.5
I
CC
V
CC Supply
Current
All inputs = V
CC; all outputs floating
28
50
µA
RESET THRESHOLD
V
RST
Reset Threshold
V
CC falling
−0.5
−2
V
RST
+0.5
+2
%
V
CC falling: TA = 0˚C to 70˚C
−1.5
+1.5
V
RSTH
Reset Threshold
Hysteresis
0.0032
•V
RST
mV
t
RP
Reset Timeout
Period
Reset Timeout Period = A
Reset Timeout Period = B
Reset Timeout Period = C
Reset Timeout Period = D
1
20
140
1120
1.4
28
200
1600
2
40
280
2240
ms
t
RD
V
CC to Reset
Delay
V
CC falling at 1mV/µs
20
µs
RESET (LM3705)
V
OL
RESET
V
CC > 2.25V, ISINK = 900µA
0.3
V
V
CC > 2.7V, ISINK = 1.2mA
0.3
V
CC > 4.5V, ISINK = 3.2mA
0.4
V
OH
RESET
V
CC > 1.2V, ISOURCE = 50µA
0.8 V
CC
V
V
CC > 1.8V, ISOURCE = 150µA
0.8 V
CC
V
CC > 2.25V, ISOURCE = 300µA
0.8 V
CC
V
CC > 2.7V, ISOURCE = 500µA
0.8 V
CC
V
CC > 4.5V, ISOURCE = 800µA
V
CC − 1.5V
I
LKG
Output Leakage
Current
V
RESET = 5.5V
1.0
µA
RESET (LM3704)
V
OL
RESET
V
CC > 1.0V, ISINK = 50µA
0.3
V
V
CC > 1.2V, ISINK = 100µA
0.3
V
CC > 2.25V, ISINK = 900µA
0.3
V
CC > 2.7V, ISINK = 1.2mA
0.3
V
CC > 4.5V, ISINK = 3.2mA
0.4
V
OH
RESET
V
CC > 2.25V, ISOURCE = 300µA
0.8 V
CC
V
CC > 2.7V, ISOURCE = 500µA
0.8 V
CC
V
CC > 4.5V, ISOURCE = 800µA
V
CC − 1.5V
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