LTC2931HF 데이터 시트보기 (PDF) - Linear Technology
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LTC2931HF
Linear Technology
LTC2931HF Datasheet PDF : 16 Pages
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LTC2931
TYPICAL PERFORMANCE CHARACTERISTICS
Reset Timeout Period
vs Temperature
5 CRT = 1500pF
(SILVER MICA)
4
3
Watchdog Timeout Period vs CWT
100
TA = 25oC
10
1
100m
Reset Timeout Period vs CRT
10
TA = 25oC
1
100m
10m
2
1
–50 –25
0 25 50 75
TEMPERATURE (oC)
100 125
2931 G10
(ISRISNKT,vsWSDuOp,pClyOVMoPltna)ge
15
TA = 25oC
12
VOL = 0.4V
9
VOL = 0.2V
6
3
10m
1m
100μ
10p 100p
1n 10n
CWT (F)
100n 1M
2931 G11
Voltage Output Low vs Output
Sink Current (RST, WDO, COMPn)
500 V1 = 5V
V2 = 3V
125oC
400
85oC
300
25oC
200
–40oC
100
1m
100M
10M
10p 100p
1n 10n
CRT (F)
100n 1M
2931 G12
COMPn and WDO Pull-Up Current
vs V2
18 TA = 25oC
COMPn = WDO = GND
15
12
9
6
3
0
0
1
2
3
4
5
V1 OR V2 (V)
2931 G13
0
0
2
4
6
8
10
ISINK (mA)
2931 G14
0
1
2
3
4
5
V2 (V)
2931 G15
COMPn Propagation Delay vs
Input Overdrive Above Threshold
250
TA = 25oC
200
150
V1, V2
100
V3, V4, V5, V6
50
RST Pull-Up Current vs V2
18
TA = 25oC
15
12
9
6
VRT33
VRT30
3 VRT25
0
10
100
1000
INPUT OVERDRIVE ABOVE THRESHOLD (mV)
2931 G16
0
2.0 2.5 3.0 3.5 4.0
V2 (V)
4.5 5.0
2931 G17
2931fb
6
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