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PDF FDS4685 Data sheet ( Hoja de datos )
| Número de pieza | FDS4685 | |
| Descripción | 40V P-Channel PowerTrench MOSFET | |
| Fabricantes | Fairchild Semiconductor | |
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June 2005
FDS4685
40V P-Channel PowerTrench® MOSFET
Features
■ –8.2 A, –40 V RDS(ON) = 0.027 Ω @ VGS = –10 V
RDS(ON) = 0.035 Ω @ VGS = –4.5 V
■ Fast switching speed
■ High performance trench technology for extremely low
RDS(ON)
■ High power and current handling capability
Applications
■ Power management
■ Load switch
■ Battery protection
General Description
This P-Channel MOSFET is a rugged gate version of Fairchild
Semiconductor’s advanced PowerTrench process. It has been
optimized for power management applications requiring a wide
range of gate drive voltage ratings (4.5V – 20V).
D
D
D
D
SO-8
Pin 1
G
S
S
S
54
63
72
81
Absolute Maximum Ratings TA = 25°C unless otherwise noted
Symbol
Parameter
VDSS
VGSS
ID
Drain-Source Voltage
Gate-Source Voltage
Drain Current - Continuous
- Pulsed
(Note 1a)
PD Power Dissipation for Single Operation
(Note 1a)
(Note 1b)
(Note 1c)
TJ, TSTG
Operating and Storage Junction Temperature Range
Thermal Characteristics
RθJA
RθJA
RθJC
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Case
(Note 1a)
(Note 1c)
(Note 1)
Ratings
–40
±20
–8.2
–50
2.5
1.4
1.2
–55 to +150
50
125
25
Package Marking and Ordering Information
Device Marking
FDS4685
Device
FDS4685
Reel Size
13”
Tape width
12mm
Units
V
V
A
W
°C
°C/W
Quantity
2500 units
©2005 Fairchild Semiconductor Corporation
FDS4685 Rev. C(W)
1
www.fairchildsemi.com
1 page  
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
ACEx™
FAST
IntelliMAX™
POP™
SPM™
ActiveArray™ FASTr™
ISOPLANAR™
Power247™
Stealth™
Bottomless™ FPS™
LittleFET™
PowerEdge™
SuperFET™
CoolFET™
FRFET™
MICROCOUPLER™ PowerSaver™
SuperSOT™-3
CROSSVOLT™ GlobalOptoisolator™ MicroFET™
PowerTrench
SuperSOT™-6
DOME™
GTO™
MicroPak™
QFET
SuperSOT™-8
EcoSPARK™ HiSeC™
MICROWIRE™
QS™
SyncFET™
E2CMOS™
I2C™
MSX™
QT Optoelectronics™ TinyLogic
EnSigna™
i-Lo™
MSXPro™
Quiet Series™
TINYOPTO™
FACT™
ImpliedDisconnect™ OCX™
RapidConfigure™
TruTranslation™
FACT Quiet Series™
OCXPro™
RapidConnect™
UHC™
Across the board. Around the world.™ OPTOLOGIC
The Power Franchise
OPTOPLANAR™
Programmable Active Droop™
PACMAN™
µSerDes™
UltraFET
SILENT SWITCHER UniFET™
SMART START™ VCX™
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TOANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOTASSUMEANY LIABILITY
ARISING OUT OF THEAPPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEYANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTENAPPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
2. A critical component is any component of a life
systems which, (a) are intended for surgical implant into
support device or system whose failure to perform can
the body, or (b) support or sustain life, or (c) whose
be reasonably expected to cause the failure of the life
failure to perform when properly used in accordance
support device or system, or to affect its safety or
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
effectiveness.
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or
In Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
FDS4685 Rev. C(W)
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. I15
5 www.fairchildsemi.com
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