LTC2921CGN データシートの表示（PDF） - Linear Technology
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LTC2921CGN Datasheet PDF : 20 Pages
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LTC2921/LTC2922 Series
TYPICAL PERFOR A CE CHARACTERISTICS
Specifications are at TA = 25°C unless otherwise noted.
Supply Current vs Supply Voltage
3.00
PG SIGNAL ASSERTED
2.75
2.50
2.25
LTC2921-3.3
LTC2922-3.3
2.00
LTC2921-2.5
LTC2922-2.5
1.75
LTC2921
LTC2922
1.50
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
VCC (V)
2921/2 G01
Monitor Input Threshold vs
Temperature
0.505
Supply Current vs Temperature
2.6
PG SIGNAL ASSERTED
2.4
LTC2921-3.3
2.2
LTC2922-3.3
LTC2921
LTC2922
LTC2921-2.5
2.0
LTC2922-2.5
1.8
–50 –30
–10 10 30 50
TEMPERATURE (°C)
70 90
2921/2 G02
Circuit Breaker Trip Voltage vs
Temperature
55
0.500
50
0.495
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
2921/2 G04
TIMER Trip Voltage
vs Temperature
1.21
1.20
1.19
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
2921/2 G07
4
45
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
2921/2 G05
TIMER Pull-Up Current
vs Temperature
2.5
VTIMER = 1V
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
–50 –30
–10 10 30 50
TEMPERATURE (°C)
70 90
2921/2 G08
Monitor Trip Delay vs
Monitor Input Overdrive
100
80
60
LTC2921-2.5
LTC2922-2.5
40
LTC2921/LTC2922
LTC2921-3.3/LTC2922-3.3
20
0
0 20 40 60 80 100 120 140
MONITOR INPUT OVERDRIVE (mV)
2921/2 G03
SENSE Input Current
vs Temperature
250
VSENSE = VCC
200
150
100
50
0
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
2921/2 G06
TIMER Pull-Down Current
vs Supply Voltage
170
VTIMER = 0.4V
165
160
155
150
145
140
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
VCC (V)
2921/2 G09
29212fa
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