LT1640 Linear Technology, LT1640 Datasheet - Page 3

• Manufacturer Part Number: LT1640
• Description: Negative Voltage Hot Swap Controller
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
V
R
AC
t
t
t
t
t
t
t
The
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
TYPICAL PERFOR A CE CHARACTERISTICS
PHLOV
PHLUV
PLHOV
PLHUV
PHLSENSE
PHLPG
PLHPG
PG
PGHY
OL
OUT
1.4
1.2
1.8
1.7
1.6
1.5
1.3
1.1
0
denotes specifications which apply over the full operating
0
Supply Current vs Supply Voltage
PARAMETER
Power Good Threshold
Power Good Threshold Hysteresis
Output Low Voltage
Power Good Output Impedance
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
PWRGD (LT1640L), I
(V
PWRGD (LT1460H), (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
DRAIN
Supply Current vs Temperature
DRAIN
– 25
– V
V
– V
DD
EE
EE
TEMPERATURE ( C)
, High to Low Transition
= 48V, V
) < V
0
PG
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.
OUT
EE
DRAIN
= 1mA,
= 0V, T
50
– V
EE
75
A
) < V
= 25 C unless otherwise noted.
1640 G02
PG
100
12
11
10
15
14
13
8
9
7
6
MIN
LT1640L/LT1640H
0
1.1
Gate Voltage vs Supply Voltage
2
2
20
0.48
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
3
EE
40
unless otherwise
MAX
2.0
0.8
4
60
80
1640 G03
UNITS
3
k
100
V
V
V
s
s
s
s
s
s
s
s
s