LTC4308I Просмотр технического описания (PDF) - Linear Technology
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LTC4308I
Linear Technology
LTC4308I Datasheet PDF : 16 Pages
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LTC4308
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V, unless otherwise indicated.
ICC Enabled Current
vs Temperature
8.0
ISD Disabled Current
vs Temperature
1000
7.5
950
VCC = 5.5V
7.0
900
6.5
VCC = 3.3V
850
6.0
800
VCC = 2.3V
5.5
750
5.0
700
4.5
650
4.0
–50 –25 0
25 50
TEMPERATURE (°C)
Input-Output High to Low
Propagation Delay
vs Temperature
140 CIN = COUT = 50pF
RPULLUPIN = RPULLUPOUT = 2.7k
120
75 100
4308 G01
600
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4308 G02
Boost Pull-Up Current
vs Temperature
24
CIN = 50pF, COUT = 1nF
RPULLUPIN = RPULLUPOUT = 2.7k
20
100
VCC = 5.5V
80
VCC = 2.3V
60
VCC = 3.3V
16
VCC = 5.5V
12
8
VCC = 3.3V
4
VCC = 2.3V
40
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
0
–50 –25
Input-Output High to Low
Propagation Delay vs Output
Capacitance
140 CIN = 50pF
RPULLUPIN = 2.7k
125 RPULLUPOUT = 2.7k
4308 G03
Input-Output Offset Voltage
vs Pull-Up Resistance
–196
–198
0 25 50
TEMPERATURE (°C)
75 100
4308 G04
Output-Input Offset Voltage
vs Pull-Up Resistance
304
302
110
95
80
65
50
0
VCC = 5.5V
VCC = 2.3V
VCC = 3.3V
VPULLUPIN = 1.8V
VPULLUPOUT = VCC
200 400 600 800 1000
OUTPUT CAPACITANCE (pF)
4308 G05
–200
–202
–204
–206
0
2
4
6
8
10
INPUT BUS PULL-UP RESISTANCE (k)
4308 G06
300
298
296
294
0
2
4
6
8
10
OUTPUT BUS PULL-UP RESISTANCE (k)
4308 G07
4308f
5
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