LTC1694 Ver la hoja de datos (PDF) - Linear Technology
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LTC1694 Datasheet PDF : 8 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
Pull-Up Current at SMBus = 0V
350
325
300
VCC = 6V
275
VCC = 5V
250
VCC = 2.7V
225
200
175
150
125
100
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1694 G01
Input Threshold Voltage
0.90
0.85
0.80
0.75
0.70 VCC = 5V
0.65
VCC = 6V
0.60
VCC = 2.7V
0.55
0.50
0.45
0.40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1694 G04
Boosted Pull-Up Current
3.50
3.25
3.00
2.75
2.50
VCC = 6V
2.25
VCC = 5V
2.00
1.75
VCC = 2.7V
1.50
1.25
1.00
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1694 G02
Slew Rate Detector Threshold
0.50
0.45
0.40
0.35
0.30
0.25
0.20
VCC = 6V
0.15
0.10
VCC = 5V
VCC = 2.7V
0.05
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1694 G05
LTC1694
Boosted Pull-Up Current vs
SMBus Voltage
3.5
3.0
2.5
VCC = 6V
2.0
VCC = 5V
1.5
1.0
VCC = 2.7V
0.5
0
01
2 34 5
SMBus VOLTAGE (V)
67
LT1694 G03
Standby Mode Supply Current
100
90
80
70
VCC = 6V
60
50
VCC = 5V VCC = 2.7V
40
30
20
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1694 G06
PI FU CTIO S
VCC (Pin 1): Power Supply Input. VCC can range from 2.7V
to 6V and requires a 0.1µF bypass capacitor to GND.
GND (Pin 2): Ground.
NC (Pin 3): No Connection.
SMBus2 (Pin 4): Active Pull-Up for SMBus.
SMBus1 (Pin 5): Active Pull-Up for SMBus.
1694fa
3
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