LT1640LIS8#TR Linear Technology, LT1640LIS8#TR Datasheet - Page 6

• Manufacturer Part Number: LT1640LIS8#TR
• Description: IC CTRLR HOTSWAP NEG VOLT 8SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT1640LIS8#TR

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: -10 V ~ -80 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Family Name: LT1640L
• Package Type: SOIC N
• Operating Supply Voltage (min): -10V
• Operating Supply Voltage (max): -80V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Product Length (mm): 5mm
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1640L/LT1640H
TIMING DIAGRAMS
6
TEST CIRCUIT
SENSE
GATE
GATE
W U
OV
2V
0V
Figure 4. SENSE to GATE Timing
50mV
Figure 2. OV to GATE Timing
1.223V
1V
t
t
PHLOV
PHLSENSE
1V
W
V
UV
V
5V
+
V
1.203V
OV
5k
R
t
PLHOV
1V
Figure 1. Test Circuit
PWRGD/PWRGD V
OV
UV
V
1640 F04
EE
1640 F02
LT1640L/LT1640H
V
DRAIN
SENSE
GATE
PWRGD
GATE
UV
DD
2V
0V
– V
PWRGD
PWRGD
DRAIN
DRAIN
DRAIN
Figure 5. DRAIN to PWRGD/PWRGD Timing
1.8V
1.8V
= 0V
1640 F01
V
V
V
V
0V
DRAIN
SENSE
EE
EE
+
–
1.223V
Figure 3. UV to GATE Timing
48V
1V
t
PHLUV
t
1V
PLHPG
1V
t
PLHPG
1.4V
1.4V
1.243V
t
PHLPG
1V
t
PHLPG
t
1V
PLHUV
1V
1640lhfb
1640 F05
1640 F03