Datasheet > MC4443

MC4443

更新时间： 2024-11-15 12:01:31

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描述
P-Channel 40-V (D-S) MOSFET Fast switching speed

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MC4443 数据手册

Frees c ale

AO4443/ MC4443

P-Channel 40-V (D-S) MOSFET

These miniature surface mount MOSFETs utilize a

high cell density trench process to provide low

r_DS(on)and to ensure minimal power loss and heat

dissipation. Typical applications are DC-DC

converters and power management in portable and

battery-powered products such as computers,

printers, PCMCIA cards, cellular and cordless

telephones.

PRODUCT SUMMARY

V_DS(V)

r_DS(on)m(Ω)

I_D(A)

-9.0

35 @ V_GS= -10V

45 @ V_GS= -4.5V

-40

-7.2

•

Low r_DS(on)provides higher efficiency and

extends battery life

•

Low thermal impedance copper leadframe

SOIC-8 saves board space

•

Fast switching speed

High performance trench technology

ABSOLUTE MAXIMUM RATINGS (T_A= 25 ^oC UNLESS OTHERWISE NOTED)

Parameter Symbol Maximum Units

Drain-Source Voltage

Gate-Source Voltage

V_DS

V_GS

-40

±20

T_A=25^oC

T_A=70^oC

-9.0

-7.3

±50

-2.1

3.1

Continuous Drain Current^a

Pulsed Drain Current^b

I_D

I_DM

I_S

Continuous Source Current (Diode Conduction)^a

^oC

T_A=25^oC

T_A=70^oC

Power Dissipation^a

P_D

2.6

Operating Junction and Storage Temperature Range

T_J, T_stg-55 to 150

THERMAL RESISTANCE RATINGS

Parameter

Symbol

R_θJA

Maximum Units

^oC/W

t <= 10 sec

Steady State

Maximum Junction-to-Ambient^a

^oC/W

Notes

Surface Mounted on 1” x 1” FR4 Board.

Pulse width limited by maximum junction temperature

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