LTC4244IGN datasheet(25/28 Pages) LINER

25 / 28 page

LTC4244/LTC4244-1

42441f

The IRF7457’s Thermal Response vs Pulse Duration curve

indicates that the worst-case increase in junction-to-

ambient temperature during a power-cycle for the 3.3V

MOSFET is less than 96

°C while the worst-case increase

in junction-to-ambient temperature for the 5V MOSFET is

less than 88

°C.

Power MOSFET and Sense Resistor Selection

Tables 7 and 8 list current sense resistors and power

MOSFET transistors, respectively, that can be used with

the LTC4244’s circuit breakers. Table 9 lists supplier web

site addresses for discrete components mentioned

throughout the LTC4244 data sheet.

Obtaining Information on Specific Parts

For more information or to request a copy of the

CompactPCI specification, contact the PCI Industrial Com-

puter Manufacturers Group at:

PCI Industrial Computer Manufacturers Group

Wakefield, MA 01880 USA

Phone: 01 (718) 224-1239

Web Site: http://www.picmg.com

Transient Voltage Suppressors SMAJ12A and SMAJ5.0A

are supplied by:

Diodes, Incorporated

Westlake Village, CA 91362 USA

Phone: 01 (805) 446-4800

Web Site: http://www.vishay.com or

http://www.diodes.com

Transistors MMBT2222A and MMBT3906 are supplied

by:

ON Semiconductor

Phoenix, AZ 85008 USA

Phone: 01 (602) 244-6600

Web Site: http://www.onsemi.com

APPLICATIO S I FOR ATIO

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