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FDS6984AS_NL датащи(PDF) 1 Page - Fairchild Semiconductor

номер детали FDS6984AS_NL
подробное описание детали  Dual Notebook Power Supply N-Channel PowerTrench SyncFET
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производитель  FAIRCHILD [Fairchild Semiconductor]
домашняя страница  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FDS6984AS_NL датащи(HTML) 1 Page - Fairchild Semiconductor

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June 2005
©2005 Fairchild Semiconductor Corporation
FDS6984AS Rev A(X)
FDS6984AS
Dual Notebook Power Supply N-Channel PowerTrench
®
SyncFET
General Description
The FDS6984AS is designed to replace two single
SO-8 MOSFETs and Schottky diode in synchronous
DC:DC power supplies that provide various peripheral
voltages for notebook computers and other battery
powered electronic devices. FDS6984AS contains two
unique 30V, N-channel, logic level, PowerTrench
MOSFETs designed to maximize power conversion
efficiency.
The high-side switch (Q1) is designed with specific
emphasis on reducing switching losses while the low-
side switch (Q2) is optimized to reduce conduction
losses. Q2 also includes a patented combination of a
MOSFET monolithically integrated with a Schottky
diode.
Features
Q2:
Optimized to minimize conduction losses
Includes SyncFET Schottky diode
8.5A, 30V
R
DS(on) max= 20 mΩ @ VGS = 10V
R
DS(on) max= 28 mΩ @ VGS = 4.5V
Q1:
Optimized for low switching losses
Low gate charge (8nC typical)
5.5A, 30V
R
DS(on) max= 31 mΩ @ VGS = 10V
R
DS(on) max= 40 mΩ @ VGS = 4.5V
S2
SO-8
G2
S1
G1
D2
D2
D1
D1
4
3
2
1
5
6
7
8
Q1
Q2
Absolute Maximum Ratings T
A
= 25°C unless otherwise noted
Symbol
Parameter
Q2
Q1
Units
VDSS
Drain-Source Voltage
30
30
V
VGSS
Gate-Source Voltage
±20
±20
V
ID
Drain Current
- Continuous
(Note 1a)
8.5
5.5
A
- Pulsed
30
20
PD
Power Dissipation for Dual Operation
2
W
Power Dissipation for Single Operation
(Note 1a)
1.6
(Note 1b)
1
(Note 1c)
0.9
TJ, TSTG
Operating and Storage Junction Temperature Range
–55 to +150
°C
Thermal Characteristics
RθJA
Thermal Resistance, Junction-to-Ambient
(Note 1a)
78
°C/W
RθJC
Thermal Resistance, Junction-to-Case
(Note 1)
40
°C/W
Package Marking and Ordering Information
Device Marking
Device
Reel Size
Tape width
Quantity
FDS6984AS
FDS6984AS
13”
12mm
2500 units
FDS6984AS
FDS6984AS_NL (Note 4)
13”
12mm
2500 units


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