Datasheet
©2009 Fairchild Semiconductor Corporation
FDD6796A / FDU6796A_F071 Rev.C1
www.fairchildsemi.com
1
FDD6796A / FDU679A_F071 N-Channel PowerTrench
®
MOSFET
March 2009
FDD6796A / FDU6796A_F071
N-Channel PowerTrench
®
MOSFET
25 V, 5.7 mΩ
Features
Max r
DS(on)
= 5.7 mΩ at V
GS
= 10 V, I
D
= 20 A
Max r
DS(on)
= 15.0 mΩ at V
GS
= 4.5 V, I
D
= 15.2 A
100% UIL tested
RoHS Compliant
General Description
This N-Channel MOSFET has been designed specifically to
improve the overall efficiency of DC/DC converters using either
synchronous or conventional switching PWM controllers. It has
been optimized for low gate charge, low r
DS(on)
and fast
switching speed.
Applications
Vcore DC-DC for Desktop Computers and Servers
VRM for Intermediate Bus Architecture
D
G
S
D
G
S
G
S
D-PAK
(TO-252)
Short-Lead I-PAK
(TO-251AA)
D
MOSFET Maximum Ratings T
C
= 25 °C unless otherwise noted
Thermal Characteristics
Package Marking and Ordering Information
Symbol Parameter Ratings Units
V
DS
Drain to Source Voltage 25 V
V
GS
Gate to Source Voltage ±20 V
I
D
Drain Current -Continuous (Package limited) T
C
= 25 °C 40
A
-Continuous (Silicon limited) T
C
= 25 °C 67
-Continuous T
A
= 25 °C (Note 1a) 20
-Pulsed 150
E
AS
Single Pulse Avalanche Energy (Note 3) 40 mJ
P
D
Power Dissipation T
C
= 25 °C 42
W
Power Dissipation T
A
= 25 °C (Note 1a) 3.7
T
J
, T
STG
Operating and Storage Junction Temperature Range -55 to +175 °C
R
θJC
Thermal Resistance, Junction to Case 3.6
°C/W
R
θJA
Thermal Resistance, Junction to Ambient (Note 1a) 40
Device Marking Device Package Reel Size Tape Width Quantity
FDD6796A FDD6796A D-PAK (TO-252) 13 ’’ 12 mm 2500 units
FDU6796A FDU6796A_F071 TO-251AA N/A(Tube) N/A 75 units