LT1640AL LINER [Linear Technology], LT1640AL Datasheet - Page 7

• Manufacturer Part Number: LT1640AL
• Description: Negative Voltage Hot Swap Controllers
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
6.45
6.25
6.05
5.85
5.65
5.45
5.25
5.05
4.85
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–55 –35 –15
–55
–55
V
OV Threshold vs Temperature
TIMER Threshold
vs Temperature
V
I
(MS ONLY)
GATEH
IN
GATEH
–35
–35
= 2mA
–15
–15
= V
vs Temperature
IN
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
5
– V
GATE
25
25
25
V
V
TMRL
TMRH
,
V
V
V
OVH
OVL
45
45
45
OV
65
65
65
85 105
85 105 125
85 105
425212 G31
425212 G16
425212 G19
125
125
–10
–12
–14
–16
–18
–20
–22
–24
–26
–28
–30
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
10
9
8
7
6
5
4
3
2
1
0
0
–55
–55
–55
V
I
I
vs Temperature
UV/0V = 4V
TIMER = 0V
GATE THRESHOLD
BEFORE RAMP-UP
SENSE
TMR
TIMER = 2V
UV/0V = 4V
TIMER = 0V
GATE = HIGH
V
GATEL
SENSE
–35
–35
–35
(Initial Cycle, Sourcing)
–15
–15
–15
vs Temperature
vs Temperature
– V
EE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
5
= 50mV
25
25
25
45
45
45
65
65
65
LTC4252A-1/LTC4252A-2
85 105
85 105
85 105
425212 G14
425212 G17
425212 G20
LTC4252-1/LTC4252-2
125
125
125
3.375
3.275
3.175
3.075
2.975
2.875
2.775
1000
0.01
100
0.1
1.0
10
50
45
40
35
30
25
20
15
10
–1.5 –1.0 –0.5
–55
–55
UV Threshold vs Temperature
I
I
vs Temperature
SENSE
TMR
TIMER = 2V
–35
–35
(Initial Cycle, Sinking)
–15
–15
vs (V
TEMPERATURE (°C)
TEMPERATURE (°C)
(V
5
5
SENSE
SENSE
25
25
0
– V
V
V
V
– V
UVH
UVL
45
45
0.5
UV
EE
) (V)
EE
65
65
)
1.0
UV/0V = 4V
TIMER = 0V
GATE = HIGH
T
A
85 105
85 105
= 25°C
1.5
425212 G15
425212 G21
425212 G18
425212fd
7
125
125
2.0