LT1640AH LINER [Linear Technology], LT1640AH Datasheet - Page 3

• Manufacturer Part Number: LT1640AH
• Description: Negative Voltage Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
temperature range, otherwise specifications are at T
SYMBOL
V
V
I
V
I
R
AC
t
t
t
t
t
t
t
TYPICAL PERFOR A CE CHARACTERISTICS
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
T
A
= 25 C
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
1640A G01
U
100
1.6
1.5
1.1
1.0
1.4
1.3
1.2
CONDITIONS
V
V
PWRGD (LT1640AL), (V
I
I
PWRGD (LT1640AH), V
I
PWRGD (LT1640AL), V
V
PWRGD (LT1640AH), (V
Figures 1, 2
Figures 1, 3
Figures 1, 2
Figures 1, 3
Figures 1, 4
(LT1640AL) Figures 1, 5
(LT1640AH) Figures 1, 5
(LT1640AL) Figures 1, 5
(LT1640AH) Figures 1, 5
– 50
OUT
OUT
OUT
A
DRAIN
DRAIN
PWRGD
Supply Current vs Temperature
V
= 25 C. (Note 2), V
DD
= 1mA
= 5mA
= 1mA
– 25
= 48V
– 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, V
=48V,
= 5V
– V
– V
75
EE
EE
1640A G02
) < V
) < V
EE
100
PG
PG
= 0V unless otherwise noted.
LT1640AL/LT1640AH
15
14
13
12
11
10
8
9
7
6
MIN
0
1.1
Gate Voltage vs Supply Voltage
10
2
2
T
A
= 25 C
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
1640A G03
UNITS
3
k
100
V
V
A
V
V
V
A
s
s
s
s
s
s
s
s
s