LTM2881Y-5(RevA) Просмотр технического описания (PDF) - Linear Technology
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LTM2881Y-5 Datasheet PDF : 22 Pages
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LTM2881
Typical Performance Characteristics TA = 25°C, LTM2881-3 VCC = 3.3V, LTM2881-5
VCC = 5.0V, VL = 3.3V unless otherwise noted.
VCC Supply Current vs Temperature
at ILOAD = 100mA on VCC2
350
LTM2881-3
300
250
200
LTM2881-5
150
100
50
0
–50 –25 0 25 50 75 100
TEMPERATURE (°C)
2881 G10
VCC2 Surplus Current
vs Temperature
250
200
LTM2881-5 (RS485 60mA)
150
100
LTM2881-5 (RS485 90mA)
LTM2881-3 (RS485 60mA)
50
0
–50
LTM2881-3 (RS485 90mA)
–25 0 25 50
TEMPERATURE (°C)
75 100
2881 G11
VCC2 vs Load Current
6
LTM2881-5
5
LTM2881-3
4
3
2
10 20 40 60 80 100 120 140 160 180
VCC2 LOAD CURRENT (mA)
2881 G12
VCC2 Power Efficiency
70
LTM2881-5
60
50
LTM2881-3
40
30
VCC2 Load Step (100mA)
VCC2
100mV/DIV
ILOAD
50mA/DIV
20
10
0
50
100
150
200
ICC2 OUTPUT CURRENT (mA)
2881 G13
100µs/DIV
VCC2 Noise
10mV/DIV
2881 G14
200µs/DIV
2881 G15
2881fa
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