LTC4242 datasheet(6/24 Pages) LINER

Part #	LTC4242

Description	Dual Slot Hot Swap Controller for PCI Express

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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6 / 24 page

LTC4242

6

4242f

FONn High-to- Low Threshold

vs VCC

RON vs Temperature

FONn Low-to-High Threshold

vs VCC

Circuit Breaker Trip Sense

Voltage vs Temperature

Aux Circuit Breaker Trip Current

vs Temperature

Circuit Breaker Trip Filter Time

vs Temperature

TYPICAL PERFOR A CE CHARACTERISTICS

TA = 25°C. VCC = VAUXINn = V3VINn = 3.3V, V12VINn = 12V, unless otherwise noted. (Note 2)

Gate Drive vs IGATE

RON vs AUXINn

Current Limit Propagation Delay

vs Sense Voltage

VCC (V)

2

3

4

5

6

4242 G10

2

1

0

3

4

5

7

VCC (V)

0

1

2

3

3456

4242 G11

7

2

TEMPERATURE (

°C)

–50

0.15

0.20

0.25

0.30

0.35

–25

0

25

50

4242 G12

75

100

AUXINn (V)

3

0.15

0.20

0.25

0.30

0.35

3.5

4

4.5

5

4242 G13

5.5

6

6.5

SENSE VOLTAGE (mV)

0

0.01

0.1

1

10

100

50

100

150

200

4242 G14

250

300

TEMPERATURE (

°C)

–50

48

49

50

51

52

–25

0

25

50

4242 G14

75

100

TEMPERATURE (

°C)

–50

450

500

550

600

650

–25

0

25

50

4242 G14

75

100

TEMPERATURE (

°C)

–50

15.0

17.5

20.0

22.5

25.0

–25

0

25

50

4242 G17

75

100

IGATE (µA)

2

1

0

2

3

4

5

6

46

8

10

4242 G18

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LTC4242 Datasheet(PDF) 6 Page - Linear Technology

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