SI7448DP datasheet(1/4 Pages) VISHAY

Part #	SI7448DP

Description	N-Channel 20-V (D-S) Fast Switching MOSFET

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Manufacturer	VISHAY [Vishay Siliconix]

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FEATURES

D TrenchFETr Power MOSFET

D New Low Thermal Resistance PowerPAKr

Package with Low 1.07-mm Profile

D 100% Rg Tested

APPLICATIONS

D Synchronous Rectifier-Low Output Voltage

D Portable Computer Battery Selection or

Protection

Si7448DP

Vishay Siliconix

Document Number: 71635

S-31728—Rev. B, 18-Aug-03

www.vishay.com

1

N-Channel 20-V (D-S) Fast Switching MOSFET

PRODUCT SUMMARY

VDS (V)

rDS(on) (W)

ID (A)

20

0.0065 @ VGS = 4.5 V

22

20

0.009 @ VGS = 2.5 V

19

1

2

3

4

5

6

7

8

S

G

D

6.15 mm

5.15 mm

PowerPAK SO-8

Bottom View

N-Channel MOSFET

G

D

S

Ordering Information: Si7448DP-T1

ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)

Parameter

Symbol

10 secs

Steady State

Unit

Drain-Source Voltage

VDS

20

V

Gate-Source Voltage

VGS

"12

V

Continuous Drain Current (TJ = 150_C)a

TA = 25_C

ID

22

13.4

Continuous Drain Current (TJ = 150_C)a

TA = 70_C

ID

17.6

10.7

A

Pulsed Drain Current

IDM

50

A

Continuous Source Current (Diode Conduction)a

IS

4.3

1.6

Maximum Power Dissipationa

TA = 25_C

PD

5.2

1.9

W

Maximum Power Dissipationa

TA = 70_C

PD

3.3

1.2

W

Operating Junction and Storage Temperature Range

TJ, Tstg

- 55 to 150

_C

THERMAL RESISTANCE RATINGS

Parameter

Symbol

Typical

Maximum

Unit

Mi

J

ti

t A bi

ta

t

v 10 sec

R

19

24

Maximum Junction-to-Ambienta

Steady State

RthJA

52

65

_C/W

Maximum Junction-to-Case (Drain)

Steady State

RthJC

1.5

1.8

C/W

Notes

a.

Surface Mounted on 1” x 1” FR4 Board.

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