LTC1921CS8 Просмотр технического описания (PDF) - Linear Technology

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LTC1921CS8

Dual –48V Supply and Fuse Monitor

Linear Technology 

LTC1921

TYPICAL PERFOR A CE CHARACTERISTICS

Fuse Window Positive Threshold

vs Temperature

2.7

Fuse Window Negative Threshold

vs Temperature

–2.0

Output RDS(ON) vs Temperature

30

2.5

–2.2

2.3

–2.4

2.1

–2.6

25

OUT A (OUT F = 0V)

20

OUT F, OUT B (OUT A = 0V)

15

1.9

–2.8

10

1.7

1.5

–50 –30 –10 10 30 50

TEMPERATURE (°C)

70 90

1921 G07

–3.0

–3.2

–50 –30 –10 10 30 50

TEMPERATURE (°C)

70 90

1921 G08

5 VA = –35V

VB = –35V

I = –10mA

0

–50 –30 –10 10 30 50

TEMPERATURE (°C)

70 90

1921 G09

Undervoltage Response Time

10000

TA = 25°C

Overvoltage Response Time

10000 TA = 25°C

1000

1000

100

4.5

4.6 4.7 4.8 4.9 5.0 5.1 5.2

SUPPLY STEP FROM UNDERVOLTAGE

RECOVERY THRESHOLD (V)

1921 G10

100

1.3

1.5 1.7 1.9 2.1 2.3 2.5

SUPPLY STEP FROM OVERVOLTAGE

RECOVERY THRESHOLD (V)

1921 G11

1921f

4

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