LT1640AHCS8 Linear Technology, LT1640AHCS8 Datasheet - Page 6

• Manufacturer Part Number: LT1640AHCS8
• Description: IC CONTRLR HOTSWAP NEGVOLT 8SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT1640AHCS8

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: -10 V ~ -80 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Family Name: LT1640AH
• Package Type: SOIC N
• Operating Supply Voltage (min): -10V
• Operating Supply Voltage (max): -80V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• 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

LT1640AL/LT1640AH
TIMING DIAGRAMS
TEST CIRCUIT
6
GATE
SENSE
GATE
OV
W U
2V
0V
50mV
Figure 4. SENSE to GATE Timing
1.223V
Figure 2. OV to GATE Timing
1V
t
PHLOV
t
PHLSENSE
1V
W
V
UV
V
5V
+
V
1.203V
OV
5k
R
t
PLHOV
Figure 1. Test Circuit
1V
PWRGD/PWRGD V
OV
UV
V
LT1640AL/LT1640AH
1640A F02
1640A F04
EE
V
GATE
PWRGD
DRAIN
SENSE
UV
GATE
DD
– V
2V
0V
PWRGD
PWRGD
DRAIN
DRAIN
DRAIN
Figure 5. DRAIN to PWRGD/PWRGD Timing
1640A F01
1.8V
1.8V
= 0V
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
1V
t
PLHUV
1V
1640A F05
1640A F03