LTC1421 LINER [Linear Technology], LTC1421 Datasheet - Page 4

• Manufacturer Part Number: LTC1421
• Description: Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

LTC1421/LTC1421-2.5
TYPICAL PERFORMANCE CHARACTERISTICS
4
1.238
1.236
1.232
1.230
1.228
1.224
1.234
1.226
545
540
525
520
555
550
535
530
26
24
20
18
16
12
22
14
– 50
– 50
0
Reference Voltage vs
Temperature
GATELO Voltage vs V
I
vs Temperature
CCHI
V
V
V
V
V
CCHI
CCLO
CCHI
CCLO
CCHI
– 25
– 25
2
Supply Current
= 12V
= 12V
= 12V
= 5V
= 5V
0
4
0
TEMPERATURE ( C)
TEMPERATURE ( C)
V
CCLO
25
25
6
VOLTAGE (V)
50
50
8
CCLO
75
10
75
W
Voltage
100
100
12
1421 G04
1421 G07
1421 G01
U
125
125
14
600
500
400
300
200
100
24
23
22
21
20
19
18
17
26
20
18
16
12
24
22
14
0
– 50
0
GATEHI Voltage vs V
0
Gate Voltage vs Temperature
V
V
OL
V
V
V
V
CCLO
CCLO
CCHI
CCLO
CCHI
– 25
2
vs I
= 12V
= 12V
2
= 5V
= 5V
= 5V
SINK
0
4
SINK CURRENT (mA)
TEMPERATURE ( C)
V
CCHI
GATEHI
GATELO
COMPOUT
4
PWRGD
25
6
RESET
VOLTAGE (V)
50
8
6
CCHI
FAULT
75
10
Voltage
8
100
12
1421 G02
1421 G05
1421 G08
125
14
10
1.245
1.240
1.225
1.235
1.230
1.220
1500
1400
1300
1200
2.5
2.0
1.5
1.0
0.5
0
– 50
0
0
Reference Voltage
vs Source Current
I
vs Temperature
CPON Voltage vs Sink Current
(Charge Pump Off)
CCLO
V
V
V
V
V
V
CCLO
CCHI
CCLO
CCHI
CCLO
CCHI
– 25
0.5
Supply Current
= 12V
= 12V
= 12V
= 5V
= 5V
= 5V
2
SOURCE CURRENT (mA)
SINK CURRENT (mA)
0
TEMPERATURE ( C)
1.0
4
25
1.5
50
6
2.0
75
8
2.5
100
1421 G06
1421 G09
1421 G03
125
3.0
10