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FDMS3669S Datasheet

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FDMS3669S pdf
FDMS3669S
PowerTrench® Power Stage
Asymmetric Dual N-Channel MOSFET
Features
Q1: N-Channel
„ Max rDS(on) = 10 mΩ at VGS = 10 V, ID = 13 A
„ Max rDS(on) = 14.5 mΩ at VGS = 4.5 V, ID = 10 A
Q2: N-Channel
„ Max rDS(on) = 5 mΩ at VGS = 10 V, ID = 18 A
„ Max rDS(on) = 5.2 mΩ at VGS = 4.5 V, ID = 17 A
„ Low inductance packaging shortens rise/fall times, resulting in
lower switching losses
„ MOSFET integration enables optimum layout for lower circuit
inductance and reduced switch node ringing
„ RoHS Compliant
January 2013
General Description
This device includes two specialized N-Channel MOSFETs in a
dual PQFN package. The switch node has been internally
connected to enable easy placement and routing of synchronous
buck converters. The control MOSFET (Q1) and synchronous
SyncFETTM (Q2) have been designed to provide optimal power
efficiency.
Applications
„ Computing
„ Communications
„ General Purpose Point of Load
„ Notebook VCORE
Pin 1
Pin 1
G1
D1
D1
D1
D1
PHASE
(S1/D2)
G2
S2
S2
S2
Top Power 56 Bottom
MOSFET Maximum Ratings TA = 25 °C unless otherwise noted
Symbol
VDS
VGS
ID
EAS
PD
TJ, TSTG
Parameter
Drain to Source Voltage
Gate to Source Voltage
Drain Current -Continuous (Package limited)
-Continuous (Silicon limited)
-Continuous
-Pulsed
Single Pulse Avalanche Energy
Power Dissipation for Single Operation
Power Dissipation for Single Operation
Operating and Storage Junction Temperature Range
Thermal Characteristics
S2 5
S2 6
S2 7
G2 8
Q2 4 D1
PHASE
3 D1
2 D1
Q1 1 G1
(Note 3)
TC = 25 °C
TC = 25 °C
TA = 25 °C
(Note 6)
TA = 25 °C
TA = 25 °C
Q1 Q2
30 30
±20 ±12
24 60
43
131a
75
181b
50
614
2.21a
1.01c
60
485
2.51b
1.01d
-55 to +150
Units
V
V
A
mJ
W
°C
RθJA
RθJA
RθJC
Thermal Resistance, Junction to Ambient
Thermal Resistance, Junction to Ambient
Thermal Resistance, Junction to Case
Package Marking and Ordering Information
571a
1251c
5.0
501b
1201d
2.8
°C/W
Device Marking
9ACF
21CD
Device
FDMS3669S
©2013 Fairchild Semiconductor Corporation
FDMS3669S Rev.C1
Package
Power 56
1
Reel Size
13 ”
Tape Width
12 mm
Quantity
3000 units
www.fairchildsemi.com
Fairchild Semiconductor
Fairchild Semiconductor


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