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PDF SI4480DY Data sheet ( Hoja de datos )
| Número de pieza | SI4480DY | |
| Descripción | 80V N-Channel PowerTrench MOSFET | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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January 2001
Si4480DY
80V N-Channel PowerTrench MOSFET
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.
These MOSFETs feature faster switching and lower gate
charge than other MOSFETs with comparable RDS(ON)
specifications.
The result is a MOSFET that is easy and safer to drive
(even at very high frequencies), and DC/DC power supply
designs with higher overall efficiency.
Features
• 7.6 A, 80 V. RDS(ON) = 0.029 Ω @ VGS = 10 V
RDS(ON) = 0.033 Ω @ VGS = 6 V.
• Low gate charge (34nC typical).
• Fast switching speed.
• High performance trench technology for extremely
low RDS(ON).
• High power and current handling capability.
D
D
D
D
SO-8
G
SS
S
Absolute Maximum Ratings TA = 25°C unless otherwise noted
Symbol
Parameter
VDSS
VGSS
ID
PD
TJ, Tstg
Drain-Source Voltage
Gate-Source Voltage
Drain Current - Continuous
(Note 1a)
- Pulsed
Power Dissipation for Single Operation
(Note 1a)
(Note 1b)
(Note 1c)
Operating and Storage Junction Temperature Range
5
6
7
8
Ratings
80
±20
7.6
50
2.5
1.2
1
-55 to +150
Thermal Characteristics
RθJA
Thermal Resistance, Junction-to-Ambient
RθJC
Thermal Resistance, Junction-to-Case
(Note 1a)
(Note 1)
50
25
Package Outlines and Ordering Information
Device Marking
Device
Reel Size
4480
Si4480DY
13’’
Tape Width
12mm
4
3
2
1
Units
V
V
A
W
°C
°C/W
°C/W
Quantity
2500 units
2001 Fairchild Semiconductor International
Si4480DY Rev. A
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™
Bottomless™
CoolFET™
CROSSVOLT™
DOME™
E2CMOSTM
EnSignaTM
FACT™
FACT Quiet Series™
FAST
FASTr™
GlobalOptoisolator™
GTO™
HiSeC™
ISOPLANAR™
MICROWIRE™
OPTOLOGIC™
OPTOPLANAR™
PACMAN™
POP™
PowerTrench
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SILENT SWITCHER
SMART START™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
UHC™
VCX™
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY 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
Advance Information
Preliminary
Product Status
Formative or
In Design
First Production
No Identification Needed
Full Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
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.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
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. G
5 Page | ||
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