lt1641-2 Linear Technology Corporation, lt1641-2 Datasheet - Page 4

• Manufacturer Part Number: lt1641-2
• Description: Lt1641-2 - Positive High Voltage Hot Swap Controllers
• Manufacturer: Linear Technology Corporation

LT1641-1/LT1641-2
TYPICAL PERFOR A CE CHARACTERISTICS
4
0.100
0.090
0.080
0.070
0.060
0.050
16
15
14
13
12
11
10
16
14
12
10
9
8
7
6
8
6
–50
10
–50
TIMER Pin Pull Up Current vs V
Gate Drive vs Temperature
ON Pin Voltage Hysteresis vs
Temperature
V
–25
CC
–25
= 48V
30
TEMPERATURE (°C)
0
TEMPERATURE (°C)
0
V
CC
25
50
25
(V)
V
V
50
CC
CC
50
70
T
T
T
T
= 48V
= 10.8V
W
A
A
A
A
= –45°C
= 0°C
= 25°C
= 85°C
75
75
1641-1 G07
1641-1 G10
1641-1 G13
CC
U
100
90
100
1.335
1.330
1.325
1.320
1.315
1.310
1.305
1.300
1.295
1.290
1.285
16
14
12
10
8
6
–50
20
18
16
14
12
10
0
8
6
4
2
0
Gate Drive vs V
ON Pin High Voltage Threshold vs
Temperature
10
PWRGD V
V
CC
V
–25
CC
= 48V
= 48V
20
30
TEMPERATURE (°C)
0
OUT
V
I
LOAD
CC
CC
Low vs I
40
25
(V)
50
T
(mA)
A
T
A
= 25°C
50
= –45°C
LOAD
60
T
A
70
= 25°C
75
T
A
1641-1 G08
1641-1 G11
= 85°C
1641-1 G14
100
80
90
1.239
1.237
1.235
1.233
1.231
1.229
1.227
1.225
1.223
–100
–110
–40
–50
–60
–70
–80
–90
50
45
40
35
30
25
20
15
10
–50
–50
5
0
TIMER Pin Pull Up Current vs
Temperature
ON Pin Low Voltage Threshold vs
Temperature
0
SENSE Pin Regulation Voltage vs
V
FEEDBACK
V
V
V
T
CC
CC
CC
A
–25
–25
= 25°C
= 48V
= 48V
= 48V
0.2
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
V
0.4
FEEDBACK
25
25
0.6
(V)
50
50
0.8
75
75
1641-1 G09
1641-1 G12
164112fc
1641-1 G15
100
100
1