ltc1921cs8-trpbf Linear Technology Corporation, ltc1921cs8-trpbf Datasheet - Page 4

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ltc1921cs8-trpbf

Manufacturer Part Number
ltc1921cs8-trpbf
Description
Dual -48v Supply And Fuse Monitor
Manufacturer
Linear Technology Corporation
Datasheet
LTC1921
4
TYPICAL PERFOR A CE CHARACTERISTICS
2.7
2.5
2.3
2.1
1.9
1.7
1.5
–50
Fuse Window Positive Threshold
vs Temperature
–30
–10
TEMPERATURE ( C)
10000
10
1000
100
4.5
Undervoltage Response Time
30
T
A
SUPPLY STEP FROM UNDERVOLTAGE
= 25 C
4.6
50
RECOVERY THRESHOLD (V)
W
4.7
70
1921 G07
4.8
U
90
4.9
5.0
–2.0
–2.2
–2.4
–2.6
–2.8
–3.0
–3.2
–50
Fuse Window Negative Threshold
vs Temperature
5.1
1921 G10
–30
5.2
–10
TEMPERATURE ( C)
10
30
50
10000
1000
100
1.3
70
Overvoltage Response Time
1921 G08
T
A
= 25 C
SUPPLY STEP FROM OVERVOLTAGE
90
1.5
RECOVERY THRESHOLD (V)
1.7
30
25
20
15
10
1.9
0
5
–50
Output R
OUT A (OUT F = 0V)
V
V
I = –10mA
A
B
–30
= –35V
= –35V
2.1
DS(ON)
–10
2.3
TEMPERATURE ( C)
1921 G11
OUT F, OUT B (OUT A = 0V)
10
vs Temperature
2.5
30
50
70
1921 G09
1921f
90

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