LT1640LCN8 Linear Technology, LT1640LCN8 Datasheet - Page 3

• Manufacturer Part Number: LT1640LCN8
• Description: IC CONTRLR HOTSWAP NEGVOLT 8-DIP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT1640LCN8

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: -10 V ~ -80 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
TYPICAL PERFOR A CE CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
V
I
V
I
R
AC
t
t
t
t
t
t
t
DRAIN
OH
PHLOV
PHLUV
PLHOV
PLHUV
PHLSENSE
PHLPG
PLHPG
PG
PGHY
OL
OUT
1.4
1.8
1.7
1.6
1.5
1.3
1.2
1.1
0
0
Supply Current vs Supply Voltage
PARAMETER
Power Good Threshold
Power Good Threshold Hysteresis
Drain Input Bias Current
PWRGD Output Low Voltage
PWRGD Output Low Voltage
(PWRGD – DRAIN)
Output Leakage
Power Good Output Impedance
(PWRGD to DRAIN)
OV High to GATE Low
UV Low to GATE Low
OV Low to GATE High
UV High to GATE High
SENSE High to Gate Low
DRAIN Low to PWRGD Low
DRAIN Low to (PWRGD – DRAIN) High
DRAIN High to PWRGD High
DRAIN High to (PWRGD – DRAIN) Low
20
SUPPLY VOLTAGE (V)
40
60
W
80
1640 G01
U
100
1.6
1.5
1.1
1.0
1.4
1.3
1.2
CONDITIONS
V
V
PWRGD (LT1640L), (V
I
I
PWRGD (LT1640H), V
I
PWRGD (LT1640L), V
V
PWRGD (LT1640H), (V
Figures 1, 2
Figures 1, 3
Figures 1, 2
Figures 1, 3
Figures 1, 4
(LT1640L) Figures 1, 5
(LT1640H) Figures 1, 5
(LT1640L) Figures 1, 5
(LT1640H) Figures 1, 5
– 50
OUT
OUT
OUT
A
DRAIN
DRAIN
PWRGD
Supply Current vs Temperature
= 25 C. (Note 2), V
= 1mA
= 5mA
= 1mA
– 25
– V
= 48V
The
= 80V
EE
, High to Low Transition
TEMPERATURE ( C)
0
denotes the specifications which apply over the full operating
25
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to V
specified.
DRAIN
DRAIN
DRAIN
DRAIN
DD
50
=48V,
= 48V, V
= 5V
– V
– V
EE
EE
75
) < V
) < V
1640 G02
EE
PG
100
PG
= 0V unless otherwise noted.
15
14
13
12
11
10
8
9
7
6
MIN
LT1640L/LT1640H
0
1.1
Gate Voltage vs Supply Voltage
10
2
2
20
0.48
1.50
0.75
0.05
TYP
SUPPLY VOLTAGE (V)
1.4
0.4
6.5
1.7
1.5
5.5
6.5
0.5
0.5
0.5
0.5
50
3
EE
40
unless otherwise
MAX
500
2.0
0.8
3.0
1.0
10
4
60
80
1640 G03
1640lhfb
UNITS
3
k
100
V
V
A
V
V
V
A
s
s
s
s
s
s
s
s
s