FDN335N
N-Channel 2.5V Specified PowerTrenchTM MOSFET
General Description
Features
This N-Channel 2.5V specified MOSFET is produced
using Fairchild Semiconductor's advanced PowerTrench
process that has been especially tailored to minimize the
on-state resistance and yet maintain low gate charge for
superior switching performance.
•
Applications
1.7 A, 20 V. RDS(ON) = 0.07 Ω @ VGS = 4.5 V
RDS(ON) = 0.100 Ω @ VGS = 2.5 V.
•
Low gate charge (3.5nC typical).
•
High performance trench technology for extremely
low RDS(ON).
•
High power and current handling capability.
• DC/DC converter
• Load switch
D
D
S
TM
SuperSOT -3
G
G
Absolute Maximum Ratings
Symbol
S
TA = 25°C unless otherwise noted
Parameter
Ratings
Units
VDSS
Drain-Source Voltage
20
V
VGSS
Gate-Source Voltage
V
ID
Drain Current
±8
1.7
- Continuous
(Note 1a)
- Pulsed
PD
Power Dissipation for Single Operation
TJ, Tstg
A
8
(Note 1a)
0.5
(Note 1b)
0.46
Operating and Storage Junction Temperature Range
-55 to +150
W
°C
Thermal Characteristics
RθJA
RθJC
Thermal Resistance, Junction-to-Ambient
(Note 1a)
250
°C/W
Thermal Resistance, Junction-to-Case
(Note 1)
75
°C/W
Package Outlines and Ordering Information
Device Marking
Device
Reel Size
Tape Width
Quantity
335
FDN335N
7’’
8mm
3000 units
1999 Fairchild Semiconductor Corporation
FDN335N Rev. C
FDN335N
April 1999
Symbol
TA = 25°C unless otherwise noted
Parameter
Test Conditions
Min Typ
Max
Units
Off Characteristics
BVDSS
Drain-Source Breakdown Voltage
VGS = 0 V, ID = 250 µA
∆BVDSS
∆TJ
IDSS
Breakdown Voltage Temperature
Coefficient
Zero Gate Voltage Drain Current
ID = 250 µA,Referenced to 25°C
IGSSF
Gate-Body Leakage Current,
Forward
Gate-Body Leakage Current,
Reverse
IGSSR
On Characteristics
20
V
mV/°C
14
VDS = 16 V, VGS = 0 V
1
VGS = 8 V, VDS = 0 V
100
µA
nA
VGS = -8 V, VDS = 0 V
-100
nA
(Note 2)
VGS(th)
Gate Threshold Voltage
VDS = VGS, ID = 250 µA
∆VGS(th)
∆TJ
RDS(ON)
Gate Threshold Voltage
Temperature Coefficient
Static Drain-Source
On-Resistance
ID = 250 µA,Referenced to 25°C
ID(on)
On-State Drain Current
VGS = 4.5 V, ID = 1.7 A
VGS = 4.5 V, ID = 1.7 A,TJ = 125°C
VGS = 2.5 V, ID = 1.5 A
VGS = 4.5 V, VDS = 5 V
gFS
Forward Transconductance
VDS = 5 V, ID = 1.5 A
0.4
0.9
1.5
0.055
0.079
0.078
V
mV/°C
-3
0.070
0.120
0.100
8
Ω
A
7
S
Dynamic Characteristics
VDS = 10 V, VGS = 0 V,
f = 1.0 MHz
Ciss
Input Capacitance
Coss
Output Capacitance
Crss
Reverse Transfer Capacitance
Switching Characteristics
td(on)
Turn-On Delay Time
tr
Turn-On Rise Time
td(off)
310
pF
80
pF
40
pF
(Note 2)
VDD = 10 V, ID = 1 A,
VGS = 4.5 V, RGEN = 6 Ω
5
15
ns
8.5
17
ns
Turn-Off Delay Time
11
20
ns
tf
Turn-Off Fall Time
3
10
ns
Qg
Total Gate Charge
3.5
5
nC
Qgs
Gate-Source Charge
Qgd
Gate-Drain Charge
VDS = 10 V, ID = 1.7 A,
VGS = 4.5 V,
0.55
nC
0.95
nC
Drain-Source Diode Characteristics and Maximum Ratings
IS
Maximum Continuous Drain-Source Diode Forward Current
VSD
Drain-Source Diode Forward
Voltage
VGS = 0 V, IS = 0.42 A
(Note 2)
0.7
0.42
A
1.2
V
Notes:
1: RθJA is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting
surface of the drain pins. RθJC is guaranteed by design while RθCA is determined by the user's board design.
a) 250°C/W when
mounted on a 0.02 in2
Pad of 2 oz. Cu.
b) 270°C/W when mounted
on a minimum pad.
Scale 1 : 1 on letter size paper
2: Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2.0%
FDN335N Rev. C
FDN335N
Electrical Characteristics
FDN335N
Typical Characteristics
VGS = 4.5V
ID, DRAIN CURRENT (A)
2.5V
3.5V
8
2.2
3.0V
RDS(ON), NORMALIZED
DRAIN-SOURCE ON-RESISTANCE
10
6
2.0V
4
2
1.5V
0
VGS = 2.0V
2
1.8
1.6
2.5V
1.4
3.0V
1.2
3.5V
4.0V
4.5V
1
0.8
0
0.5
1
1.5
2
2.5
3
0
2
4
VDS, DRAIN TO SOURCE VOLTAGE (V)
10
0.24
1.6
ID = 0.85A
ID = 1.7A
VGS = 4.5V
1.4
RDS(ON), ON-RESISTANCE (OHM)
RDS(ON), NORMALIZED
DRAIN-SOURCE ON-RESISTANCE
8
Figure 2. On-Resistance Variation
with Drain Current and Gate Voltage.
Figure 1. On-Region Characteristics.
1.2
1
0.8
0.6
0.2
0.16
0.12
TA = 125oC
0.08
TA = 25oC
0.04
0
-50
-25
0
25
50
75
100
125
150
1
2
o
TJ, JUNCTION TEMPERATURE ( C)
3
4
5
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 3. On-Resistance Variation
with Temperature.
Figure 4. On-Resistance Variation
with Gate-to-Source Voltage.
10
TA = -55oC
VDS = 5V
25oC
IS, REVERSE DRAIN CURRENT (A)
10
o
125 C
ID, DRAIN CURRENT (A)
6
ID, DRAIN CURRENT (A)
8
6
4
2
VGS = 0V
1
TA = 125oC
0.1
25oC
-55oC
0.01
0.001
0.0001
0
0
1
2
3
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 5. Transfer Characteristics.
4
0
0.2
0.4
0.6
0.8
1
1.2
1.4
VSD, BODY DIODE FORWARD VOLTAGE (V)
Figure 6. Body Diode Forward Voltage
Variation with Source Current
and Temperature.
FDN335N Rev. C
(continued)
500
ID = 1.7A
f = 1MHz
VGS = 0 V
VDS = 5V
4
400
10V
15V
CAPACITANCE (pF)
VGS, GATE-SOURCE VOLTAGE (V)
5
3
2
CISS
300
200
1
100
0
0
COSS
CRSS
0
0.5
1
1.5
2
2.5
3
3.5
0
4
4
8
12
16
20
VDS, DRAIN TO SOURCE VOLTAGE (V)
Qg, GATE CHARGE (nC)
Figure 8. Capacitance Characteristics.
Figure 7. Gate Charge Characteristics.
10
20
1ms
RDS(ON) LIMIT
SINGLE PULSE
o
RθJA=270 C/W
16
o
10ms
TA=25 C
100ms
1s
10s
DC
VGS = 4.5V
SINGLE PULSE
RθJA = 270oC/W
0.1
POWER (W)
1
12
8
4
TA = 25oC
0.01
0
0.1
1
10
100
0.0001
0.001
VDS, DRAIN-SOURCE VOLTAGE (V)
0.01
0.1
1
10
100
1000
SINGLE PULSE TIME (SEC)
Figure 9. Maximum Safe Operating Area.
Figure 10. Single Pulse Maximum
Power Dissipation.
1
r(t), NORMALIZED EFFECTIVE
TRANSIENT THERMAL RESISTANCE
ID, DRAIN CURRENT (A)
FDN335N
Typical Characteristics
0.5
D = 0.5
0.2
0.1
0.05
0.02
0.01
0.2
R θJA (t) = r(t) * RθJA
R θJA = 270 °C/W
0.1
0.05
0.02
0.01
P(pk)
t1
Single Pulse
t2
0.005
TJ - TA = P * RθJA (t)
0.002
Duty Cycle, D = t1 /t2
0.001
0.0001
0.001
0.01
0.1
1
10
100
300
t1 , TIME (sec)
Figure 11. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 1b.
Transient themal response will change depending on the circuit board design.
FDN335N Rev. C
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™
POP™
PowerTrench®
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
UHC™
VCX™
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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.
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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
2. A critical component is any component of a life
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be reasonably expected to cause the failure of the life
the body, or (b) support or sustain life, or (c) whose
support device or system, or to affect its safety or
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
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
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. F1