LTC1421 datasheet(35/40 Pages) LINER

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LTC4211

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APPENDIX

Table 4 lists some current sense resistors that can be used

with the circuit breaker. Table 5 lists some power MOSFETs

that are available. Table 6 lists the web sites of several

manufacturers. Since this information is subject to change,

please verify the part numbers with the manufacturer.

Table 4. Sense Resistor Selection Guide

CURRENT LIMIT VALUE

PART NUMBER

DESCRIPTION

MANUFACTURER

LR120601R050

0.05Ω 0.5W 1% Resistor

IRC-TT

LR120601R025

0.025Ω 0.5W 1% Resistor

IRC-TT

2.5A

LR120601R020

0.02Ω 0.5W 1% Resistor

IRC-TT

3.3A

WSL2512R015F

0.015Ω 1W 1% Resistor

Vishay-Dale

LR251201R010F

0.01Ω 1.5W 1% Resistor

IRC-TT

10A

WSR2R005F

0.005Ω 2W 1% Resistor

Vishay-Dale

Table 5. N-Channel Selection Guide

CURRENT LEVEL (A)

PART NUMBER

DESCRIPTION

MANUFACTURER

0 to 2

MMDF3N02HD

Dual N-Channel SO-8

RDS(ON) = 0.1Ω, CISS = 455pF

ON Semiconductor

2 to 5

MMSF5N02HD

Single N-Channel SO-8

RDS(ON) = 0.025Ω, CISS = 1130pF

ON Semiconductor

5 to 10

MTB50N06V

Single N-Channel DD Pak

RDS(ON) = 0.028Ω, CISS = 1570pF

ON Semiconductor

10 to 20

MTB75N05HD

Single N-Channel DD Pak

RDS(ON) = 0.0095Ω, CISS = 2600pF

ON Semiconductor

Table 6. Manufacturers’ Web Sites

MANUFACTURER

WEB SITE

TEMIC Semiconductor

www.temic.com

International Rectifier

www.irf.com

ON Semiconductor

www.onsemi.com

Harris Semiconductor

www.semi.harris.com

IRC-TT

www.irctt.com

Vishay-Dale

www.vishay.com

Vishay-Siliconix

www.vishay.com

Diodes, Inc.

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