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LT1640L Datasheet(PDF) 6 Page - Linear Technology

No. de pieza LT1640L
Descripción Electrónicos  Negative Voltage Hot Swap Controller
PDF  16 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LT1640L Datasheet(HTML) 6 Page - Linear Technology

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LT1640L/LT1640H
1640lhfb
TEST CIRCUIT
PWRGD/PWRGD
VDD
V +
5V
OV
VDRAIN
48V
R
5k
DRAIN
LT1640L/LT1640H
UV
GATE
VEE
SENSE
VSENSE
1640 F01
VUV
VOV
+
–
Figure 1. Test Circuit
2V
1V
1640 F02
tPHLOV
1.223V
0V
OV
GATE
1V
1.203V
tPLHOV
TIMING DIAGRAMS
Figure 2. OV to GATE Timing
2V
1V
1640 F03
tPHLUV
1.223V
0V
UV
GATE
1V
1.243V
tPLHUV
Figure 3. UV to GATE Timing
Figure 4. SENSE to GATE Timing
1V
1640 F04
tPHLSENSE
50mV
SENSE
GATE
1.8V
1V
1640 F05
0V
VPWRGD – VDRAIN = 0V
DRAIN
PWRGD
1V
1.4V
1.8V
1V
tPLHPG
VEE
VEE
DRAIN
PWRGD
1V
1.4V
tPHLPG
tPLHPG
tPHLPG
Figure 5. DRAIN to PWRGD/PWRGD Timing



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