LTC2930H Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC2930H Datasheet PDF : 12 Pages
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LTC2930
TYPICAL PERFORMANCE CHARACTERISTICS
Normalized Threshold Voltages
vs Temperature
1.015
1.010
1.005
1.000
0.995
0.990
0.985
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2930 G01
Supply Current vs Temperature
70
V1 = 5V
V2 = 3.3V
65 V3 = 2.5V
V4 = 1.8V
V5 = V6 = 1V
60
55
50
45
40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2930 G04
Transient Duration vs Comparator
Overdrive (V3, V4, V5, V6)
450
TA = 25°C
375
300
RESET OCCURS ABOVE CURVE
225
150
75
0
0.1
1
10
100
RESET COMPARATOR OVERDRIVE (% OF VRTX)
2930 G07
–ADJ Threshold Voltage
vs Temperature
18
12
6
0
–6
–12
–18
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2930 G02
I(V4) vs V4 in Negative
Adjust Mode
–100μ
–10μ
–1μ
125°C
–100n
90°C
–10n
–1n
–100p
–300
–250
25°C
–200 –150 –100
V4 (mV)
–50 0
2930 G05
RST Output Voltage
vs V1, VPG = GND
6
TA = 25°C
10k PULL-UP FROM RST TO V1
5
4
3
2
1
0
0
1
2
3
V1 (V)
4
5
2930 G08
4
VREF vs Temperature
1.228
1.222
1.216
1.210
1.204
1.198
1.192
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2930 G03
Transient Duration vs Comparator
Overdrive (V1,V2)
300
TA = 25°C
250
200
RESET OCCURS ABOVE CURVE
150
100
50
0
0.1
1
10
100
RESET COMPARATOR OVERDRIVE (% OF VRTX)
2930 G06
Reset Timeout Period
vs Temperature
5 CRT = 1500pF
(SILVER MICA)
4
3
2
1
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2930 G09
2930fa
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