LTC4252-2 Linear Technology, LTC4252-2 Datasheet - Page 8

• Manufacturer Part Number: LTC4252-2
• Description: Negative Voltage Hot Swap Controllers
• Manufacturer: Linear Technology

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LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
8
TYPICAL PERFOR A CE CHARACTERISTICS
280
260
240
220
200
180
0.1
10
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
0.001
1
–55
I
vs Temperature
I
–55 –35 –15
TMR
TMR
TIMER = 2V
I
V
DRN
FOR PWRGD STATUS (MS ONLY)
–35
DRNL
= 0µA
(Circuit Breaker, Sourcing)
vs I
–15
0.01
vs Temperature
DRN
TEMPERATURE (°C)
5
TEMPERATURE (°C)
5
I
DRN
25
0.1
25
(mA)
45
45
65
65
1
85 105
W
85 105 125
4252-1/2 G22
4252-1/2 G33
4252-1/2 G35
U
125
10
630
610
590
690
670
650
570
550
9.0
8.8
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
8.0
7.8
7.6
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
–55 –35 –15
–55 –35 –15
–55 –35 –15
I
Sourcing) vs Temperature
∆I
V
TMR
I
TIMER = 2V
I
TIMER ON
(CIRCUIT BREAKING,
I
DRN
DRN
DRN
DRNCL
TMRACC
= 50µA
= 50µA
= 50µA)
(Circuit Breaker, I
vs Temperature
/∆I
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
5
DRN
25
25
25
vs Temperature
45
45
45
65
65
65
DRN
85 105 125
85 105 125
85 105 125
= 50µA,
4252-1/2 G32
4252-1/2 G34
4252-1/2 G36
0.00001
0.0001
0.001
0.01
100
3.0
2.5
2.0
1.5
1.0
0.5
0.1
10
10
0
1
–55 –35 –15
9
8
7
6
5
4
3
2
1
0
–55
V
0
I
vs Temperature
I
TMR
DRN
I
TIMER = 2V
(MS ONLY)
PGL
IN
T
–35
A
= 2mA
2
T
= 85°C
T
A
vs Temperature
(Cooling Cycle, Sinking)
vs V
A
= 25°C
–15
= 125°C
4
DRAIN
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
6
V
25
25
DRAIN
T
A
8
= –40°C
45
45
(V)
I
I
I
PG
PG
PG
10
65
65
= 10mA
= 5mA
= 1.6mA
12
85 105 125
85 105
4252-1/2 G23
4252-1/2 G25
4252-1/2 G37
14
425212fb
125
16