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LT1640HIS8 Datasheet(PDF) 6 Page - Linear Technology

Part # LT1640HIS8
Description  Negative Voltage Hot Swap Controller
Download  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1640HIS8 Datasheet(HTML) 6 Page - Linear Technology

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6
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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