MC4448 Datasheet, PDF (1/6 Pages) –

Freescale
N-Channel 80-V (D-S) MOSFET
Key Features:
• Low r_DS(on) trench technology
• Low thermal impedance
• Fast switching speed
Typical Applications:
• White LED boost converters
• Automotive Systems
• Industrial DC/DC Conversion Circuits
AO4448L/MC4448
VDS (V)
80
PRODUCT SUMMARY
r_DS(on) (mΩ)
41 @ V_GS = 10V
57 @ V_GS = 4.5V
ID(A)
7.1
6.1
ABSOLUTE MAXIMUM RATINGS (T_A = 25°C UNLESS OTHERWISE NOTED)
Parameter
Symbol Limit
Drain-Source Voltage
V_DS
80
Gate-Source Voltage
V_GS
±20
Continuous Drain Current ^a
Pulsed Drain Current ^b
Continuous Source Current (Diode Conduction) ^a
T_A=25°C
T_A=70°C
I_D
7.1
6
I_DM
50
I_S
3.8
Power Dissipation ^a
T_A=25°C
T_A=70°C
P_D
3.1
2.2
Operating Junction and Storage Temperature Range
T_J, T_stg -55 to 150
Units
V
A
A
W
°C
Maximum Junction-to-Ambient ^a
THERMAL RESISTANCE RATINGS
Parameter
t <= 10 sec
Steady State
Symbol
R_θJA
Maximum
40
80
Units
°C/W
Notes
a. Surface Mounted on 1” x 1” FR4 Board.
b. Pulse width limited by maximum junction temperature
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