LTM2884 データシートの表示（PDF） - Linear Technology
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LTM2884 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.
VCC2 Ripple, VCC = 5V,
ICC2 = 200mA
VCC2 Ripple, VCC = 12V,
ICC2 = 500mA
VCC2 Start-Up Ramp
100mV/DIV
100mV/DIV
1V/DIV
ON
VCC2
2µs/DIV
2884 G10
2µs/DIV
2884 G11
500µs/DIV
2884 G12
VCC2 = Load Step Response,
0mA to 500mA (VCC = 12V)
200mA/DIV
ICC2
500mV/DIV
VCC2
VCC2 = Load Step Response,
0mA to 200mA (VCC = 5V)
200mA/DIV
ICC2
500mV/DIV
VCC2
100µs/DIV
2884 G13
100µs/DIV
2884 G14
ICC vs Temperature
70
ICC2 = 0mA
60
VCC = 4.4V
50
VCC = 5V
40
VCC = 8.1V
30
VCC = 12.5V
20
VCC = 16.5V
10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2884 G15
VCC2 Droop/Plug-In Response
VCC
VCC2
1V/DIV
200µs/DIV
2884 G16
Upstream VBUS Droop During
Plug-In with CLOAD = 100µF
Full Speed Data Start of Packet
HOST VBUS
D2+
1V/DIV
PLUG IN TO HOST
500mV/DIV
ISOLATED VCC2
500µs/DIV
2884 G16
D2–
100ns/DIV
2884 G17
2884f
For more information www.linear.com/LTM2884
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