LTM2884Y 데이터 시트보기 (PDF) - Linear Technology
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LTM2884Y Datasheet PDF : 24 Pages
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LTM2884
Typical Performance Characteristics TA = 25°C, VCC = 5V, VBUS = 5V, GND = GND2 = 0V,
ON = 3.3V, unless otherwise noted.
Full Speed Propagation Delay
vs Temperature
100
CLOAD = 120pF
95
90
85
80
75
Low Speed Propagation Delay
vs Temperature
250
CLOAD = 120pF
240
230
220
210
Full Speed Differential Jitter
1V/DIV
D1–
D1+
D2–
JITTER 1.4nsP-P
D2+
10ns/DIV
2884 G03
70
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2884 G01
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2884 G02
Low Speed Differential Jitter
1V/DIV
D1+
D1–
D2+
JITTER 7.5nsP-P
D2–
50ns/DIV
2884 G04
VCC2 Output Current
vs Temperature
800
700
VCC = 12V
VCC2 = 4.75V
600
500
400
300
VCC = 5V
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2884 G05
VCC to VCC2 Efficiency and Power
Loss
70
1.4
VCC = 5V
EFFICIENCY
60
1.2
VCC = 12V
1.0
50
0.8
40
VCC = 5V
VCC = 12V
0.6
30
POWER LOSS
0.4
20
0.2
0
0
0
0.2
0.4
0.6
0.8
IOUT (A)
2884 G06
VCC Input Current
vs VCC2 Output Current
450
400 VCC = 5V
350
VCC = 12V
300
250
200
150
100
50
0
0
0.2
0.4
0.6
0.8
OUTPUT CURRENT (A)
2884 G07
VCC2 Output Voltage
vs Load Current
5.25
VCC = 8.1V
5.00
4.75
VCC = 5V
4.50
VCC = 4.4V
4.25
VCC = 12V
4.00
0
0.2
0.4
0.6
0.8
1.0
LOAD CURRENT (A)
2884 G08
Derating for 125°C Maximum
Internal Operating Temperature
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
VBUS – VCC = 5V
0.10
VBUS – VCC = 8.6V
0.05
VBUS – VCC = 12V
VBUS – VCC = 16.5V
0
25 35 45 55 65 75 85 95 105 115 125
TEMPERATURE (°C)
2884 G09
2884f
6
For more information www.linear.com/LTM2884
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