LTC2905H データシートの表示（PDF） - Linear Technology
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LTC2905H Datasheet PDF : 16 Pages
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LTC2904/LTC2905
TYPICAL PERFORMANCE CHARACTERISTICS
Specifications are at TA = 25°C unless otherwise noted.
1V Threshold Voltage
vs Temperature
0.950
0.940
5%
0.930
IV1 vs Temperature
21.5
V1 = 5V
V2 = 3.3V
21.0 S1 = S2 = TOL = 1.4V
0.920
20.5
0.910
7.5%
0.900
20.0
0.890
10%
19.5
0.880
0.870
–50 –25 0 25 50 75 100
TEMPERATURE (oC)
29045 G07
19.0
–50
–25 0 25 50
TEMPERATURE (oC)
75 100
29045 G08
IV2 vs Temperature
20.0
V1 = 2.5V
V2 = 3.3V
19.5 S1 = S2 = TOL = 1.4V
19.0
18.5
18.0
17.5
17.0
–50 –25 0 25 50 75 100
TEMPERATURE (oC)
29045 G10
Typical Transient Duration
vs Comparator Overdrive (V1, V2)
700
600
500
400
RESET OCCURS
ABOVE CURVE
300
200
100
0
0.1
1
10
100
COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX)
29045 G11
Reset Timeout Period (tRST)
vs Temperature
235
CRT = 22nF
230 (FILM)
225
220
215
210
205
200
195
–50
–25 0 25 50
TEMPERATURE (oC)
75 100
29045 G13
RST Output Voltage vs V1
5
V2 = S1 = S2 = TOL = V1
10k PULL-UP RESISTOR
4
3
2
1
0
–1
0
1
2
3
V1 (V)
4
5
29045 G14
IV2 vs Temperature
1.8
V1 = 5V
V2 = 3.3V
1.7 S1 = S2 = TOL = 1.4V
1.6
1.5
1.4
1.3
1.2
–50 –25
0
25
50
TEMPERATURE (oC)
75 100
29045 G09
Reset Time Out Period (tRST)
vs Capacitance (CTMR)
10000
1000
100
10
1
0.1
10p
100p 1n 10n
CTMR (FARAD)
100n 1M
29045 G12
RST Output Voltage vs V1
5
V2 = S1 = S2 = TOL = V1
10k PULL-UP RESISTOR
4
3
2
1
0
–1
0
1
2
3
V1 (V)
4
5
29045 G15
29045fd
5
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