UIL Capability (Single Pulse and Repetitive Pulse)
RoHS Compliant
= 2.5mΩ at VGS = 10V, ID = 80A
DS(on)
= 2.9mΩ at VGS = 4.5V, ID = 80A
DS(on)
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
switching speed.
F i g u r e 3 . N o r m a l i z e d O n R e s i s t a n c e
vs Junction Temperature
PULSE DURATION = 80µs
DUTY CYCLE = 0.5%MAX
= 25°C unless otherwise noted
J
VGS = 4VVGS = 4V
VGS = 3.5V
VGS =3V
4
PULSE DURATION = 80µs
VGS = 3V
DUTY CYCLE = 0.5%MAX
3
VGS = 3.5V
V
= 4V
2
NORMALIZED
1
0
DRAIN TO SOURCE ON-RESISTANCE
080160240320
ID, DRAIN CURRENT(A)
V
= 4.5V
GS
GS
V
= 10V
GS
N o r m a l i z e d O n - R e s i s t a n c e
vs Drain Current and Gate Voltage
10
(mΩ)
8
ID= 50A
PULSE DURATION = 80µs
DUTY CYCLE = 0.5%MAX
6
, DRAIN TO
DS(on)
r
4
TJ= 175oC
2
o
T
= 25
C
SOURCE ON-RESISTANCE
0
246810
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 4.
O n - R es i s t a n c e vs G a t e t o
J
Source Voltage
®
MOSFET
, DRAIN CURRENT (A)
I
FDP8860 Rev.B
160
PULSE DURATION = 80µs
DUTY CYCLE = 0.5%MAX
V
= 5V
120
D
DD
80
TJ= 175oC
TJ = 25oC
40
TJ = - 55oC
0
1.01.52.02.53.03.54.0
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 5. Transfer Characteristics
300
V
= 0V
GS
100
10
TJ= 175oC
1
TJ = 25oC
0.1
0.01
, REVERSE DRAIN CURRENT (A)
S
I
1E-3
0.00.30.60.91.2
VSD, BODY DIODE FORWARD VOLTAGE (V)
Figure 6.
S o u r ce t o D r a i n Di o d e
TJ = -55oC
Forward Voltage vs Source Current
3
www.fairchildsemi.com
Page 4
FDP8860 N-Channel PowerTrench
Typical Characteristics T
10
8
6
4
2
, GATE TO SOURCE VOLTAGE(V)
GS
0
V
04080120160
Qg, GATE CHARGE(nC)
Figure 7.
Gate Charge CharacteristicsFigure 8.
200
100
10
TJ = 175oC
, AVALANCHE CURRENT(A)
AS
I
1
10-310-210-110010110210310
tAV, TIME IN AVALANCHE(ms)
Figure 9.
U n c l a m p e d I n d u c t i v e
Switching Capability
V
VDD = 18V
= 25°C unless otherwise noted
J
= 12V
DD
VDD = 15V
TJ = 25oC
4
20000
10000
C
CAPACITANCE (pF)
1000
500
0.1110
VDS, DRAIN TO SOURCE VOLTAGE (V)
C
oss
C
rss
C a p a c i t a n c e v s D r a i n
to Source Voltage
280
240
200
VGS=10V
160
120
VGS=4.5V
80
, DRAIN CURRENT (A)
D
I
40
R
= 0.59oC/W
θJC
0
255075100125150175
Limited by Package
TC, CASE TEMPERATURE (oC)
Figure 10.
M a x i m u m C o n t i n u o u s D r a i n
Current vs Case Temperature
f = 1MHz
V
= 0V
GS
iss
40
®
MOSFET
, DRAIN CURRENT (A)
I
FDP8860 Rev.B
2000
1000
10us
100
LIMITED BY
10
PACKAGE
1
OPERATION IN THIS
D
AREA MAY BE
LIMITED BY r
0.1
110
DS(on)
SINGLE PULSE
T
= MAX RATED
J
O
TC = 25
C
100us
1ms
10ms
DC
VDS, DRAIN-SOURCE VOLTAGE (V)
F ig u re 1 1. F or w ar d B ia s Sa f e
Operating Area
5
10
VGS = 10V
4
10
3
10
), PEAK TRANSIENT POWER (W)
SINGLE PULSE
PK
2
P(
50
10
10-510-410-310-210-110010
Figure 12.
S i n g l e P u l s e M a x i m u m
FOR TEMPERATURES
ABOVE 25
CURRENT AS FOLLOWS:
I = I
25
t, PULSE WIDTH (s)
o
C DERATE PEAK
175 TC–
-----------------------
125
TC = 25oC
1
Power Dissipation
4
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Page 5
FDP8860 N-Channel PowerTrench
Typical Characteristics T
2
DUTY CYCLE-DESCENDING ORDER
1
D = 0.5
0.2
0.1
θJC
0.05
0.1
0.02
0.01
0.01
IMPEDANCE, Z
NORMALIZED THERMAL
1E-3
-5
10
-4
10
= 25°C unless otherwise noted
J
SINGLE PULSE
-3
10
-2
10
-1
10
t, RECTANGULAR PULSE DURATION (s)
Figure 13. Transient Thermal Response Curve
NOTES:
DUTY FACTOR: D = t
PEAK TJ = PDM x Z
P
DM
t
1
t
2
1/t2
x R
+ T
θJC
θJC
C
0
10
1
10
®
MOSFET
FDP8860 Rev.B
5
www.fairchildsemi.com
Page 6
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™
ActiveArray™
Bottomless™
Build it Now™
CoolFET™
CROSSVOLT™
DOME™
EcoSPARK™
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. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS,
SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
®
UniFET™
UltraFET
VCX™
Wire™
®
FDP8860 N-Channel PowerTrench
®
MOSFET
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT
THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which,
(a) are intended for surgical implant into the body, or (b) support
or sustain life, or (c) whose failure to perform when properly used
in accordance with instructions for use provided in the labeling,
can be reasonably expected to result in significant injury to the
2. A critical component is any component of a life support device
or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet IdentificationProduct StatusDefinition
Advance InformationFormative or In
Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
PreliminaryFirst ProductionThis 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 NeededFull ProductionThis datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
ObsoleteNot In ProductionThis datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
FDP8860 Rev. B
Rev. I20
www.fairchildsemi.com6
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