MAX4944BELA-T データシートの表示（PDF） - Maxim Integrated
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MAX4944BELA-T Datasheet PDF : 10 Pages
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Overvoltage-Protection Controllers with
Internal FET
(TA = +25°C, unless otherwise noted.)
NORMALIZED OVLO THRESHOLD
vs. TEMPERATURE
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
-40 -15
10
35
60
85
TEMPERATURE (°C)
Typical Operating Characteristics (continued)
ACOK ASSERTION TIME
vs. TEMPERATURE
40
38
36
34
32
30
-40 -15
10
35
60
85
TEMPERATURE (°C)
DEBOUNCE TIME
vs. TEMPERATURE
25
23
21
19
17
15
-40 -15
10
35
60
85
TEMPERATURE (°C)
POWER-UP RESPONSE
MAX4943 toc07
ADAPTER
5V/div
VIN
5V/div
10ms/div
VOUT
5V/div
VACOK
5V/div
IOUT
2A/div
SHORT-CIRCUIT FAULT RESPONSE
MAX4943 toc09
ADAPTER
2V/div
VIN
5V/div
VOUT
5V/div
VACOK
5V/div
1μs/div
IOUT
10A/div
CIN = 1000μF
UNDERVOLTAGE FAULT RESPONSE
MAX4943 toc08
5V
3V ADAPTER
2V/div
5V
VIN
3V 2V/div
4μs/div
VOUT
0 5V/div
VACOK
5V/div
0
IOUT
0 1A/div
OVERCURRENT DURATION TIME
(DURING AUTORETRY)
MAX4943 toc10
RLOAD = 1Ω
COUT = 0.1μF
VOUT
1V/div
10μs/div
IOUT
1A/div
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