LTC1643ALC(RevA) Просмотр технического описания (PDF) - Linear Technology
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LTC1643ALC Datasheet PDF : 16 Pages
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LTC1643AL
LTC1643AL-1/LTC1643AH
TYPICAL PERFORMANCE CHARACTERISTICS
Timer Current vs Temperature
23.5
23.0
22.5
22.0
21.5
21.0
20.5
20.0
19.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G04
Power Good Threshold Voltage vs
Temperature (12VOUT)
11.14
11.12
11.10
11.08
11.06
11.04
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G07
Power Good Threshold Voltage
vs Temperature (VEEOUT)
–10.58
–10.56
–10.54
–10.52
–10.50
–10.48
–10.46
–10.44
–10.42
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G10
Gate ISINK vs Temperature
25.0
FAULT = LOW
22.5
20.0
17.5
15.0
12.5
10.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G05
Power Good Threshold Voltage vs
Temperature (5VOUT)
4.68
4.67
4.66
4.65
4.64
4.63
4.62
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G08
12V Internal Switch Voltage Drop
vs Temperature
325
I12VOUT = 500mA
300
275
250
225
200
175
150
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1643A G11
Gate Current vs Temperature
90
80
70
60
50
40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G06
Power Good Threshold Voltage vs
Temperature (3VOUT)
2.904
2.903
2.902
2.901
2.900
2.899
2.898
2.897
2.896
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G09
VEE Internal Switch Voltage Drop
vs Temperature
180
IVEEIN = 100mA
160
140
120
100
80
60
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643A G12
1643afa
4
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