ABSOLUTE MAXIMUM RATINGS TA = 25 °C, unless otherwise noted
Parameter Symbol 10 sSteady State Unit
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain Current (T
= 150 °C)
J
a
Pulsed Drain Current
Continuous Source Current (Diode Conduction)
Maximum Power Dissipation
a
a
Operating Junction and Storage Temperature Range
TA = 25 °C
= 70 °C
T
A
TA = 25 °C
= 70 °C
T
A
V
DS
V
GS
I
D
I
DM
I
S
P
D
, T
T
J
stg
- 14- 10
- 11.5- 8
- 2.7- 1.36
- 20
± 8
- 50
3.01.5
1.90.95
- 55 to 150°C
V
A
W
THERMAL RESISTANCE RATINGS
Parameter Symbol TypicalMaximumUnit
Maximum Junction-to-Ambient
a
t ≤ 10 s
Maximum Junction-to-Foot (Drain)Steady StateR
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
Document Number: 72085
S09-0705-Rev. D, 27-Apr-09
R
thJA
thJF
3342
°C/WSteady State7084
1621
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1
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Si4423DY
Vishay Siliconix
SPECIFICATIONS TJ = 25 °C, unless otherwise noted
Parameter Symbol Test Conditions Min.Typ.Max.Unit
Static
V
Gate Threshold Voltage
Gate-Body Leakage
Zero Gate Voltage Drain Current
On-State Drain Current
a
Drain-Source On-State Resistance
Forward Transconductance
Diode Forward Voltage
Dynamic
b
a
a
Total Gate Charge
Gate-Drain Charge
Gate Resistance
Tur n - O n De l a y Ti m e
Rise Time
Tur n - O f f D e l ay T i m e
Fall Time
Source-Drain Reverse Recovery
Time
V
GS(th)
I
GSS
I
DSS
I
D(on)
a
R
DS(on)
g
fs
V
SD
Q
g
Q
gs
Q
gd
R
g
t
d(on)
t
r
t
d(off)
t
f
t
rr
V
V
V
DS
I
D
Notes:
a. Pulse test; pulse width ≤ 300 µs, duty cycle ≤ 2 %.
b. Guaranteed by design, not subject to production testing.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the de vice. These are stress rating s only, and functiona l operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
= VGS, ID = - 600 µA
DS
VDS = 0 V, VGS = ± 8 V
V
= - 20 V, V
DS
= - 20 V, V
DS
= - 5 V, V
DS
V
= - 4.5 V, ID = - 14 A
GS
V
= - 2.5 V, ID = - 13 A
GS
V
= - 1.8 V, ID = - 12 A
GS
GS
= 0 V
GS
= 0 V, TJ = 70 °C
= - 4.5 V
GS
VDS = - 10 V, ID = - 14 A
IS = - 2.7 A, V
= - 10 V, V
V
= - 10 V, RL = 10 Ω
DD
≅ - 1 A, V
GEN
GS
= 0 V
GS
= - 5 V, ID = - 14 A
= - 4.5 V, Rg = 6 Ω
IF = - 2.1 A, dI/dt = 100 A/µs
- 0.4- 0.9V
± 100 nA
- 1
- 10
- 30A
0.0060.0075
0.00710.009
0.0090.0115
60S
- 0.6- 1.1V
116175
16
27
3.2Ω
75115
165250
460700
210320
105160
µA
Ω
nCGate-Source Charge
ns
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
50
VGS = 5 thru 2 V
40
30
20
- Drain Current (A)I
D
10
0
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2
012345
V
- Drain-to-Source Voltage (V)
DS
Output Characteristics
1.5 V
50
40
30
20
- Drain Current (A)I
D
10
0
0.000.250.500.751.001.251.501.75
V
GS
TC = 125 °C
25 °C
- Gate-to-Source Voltage (V)
Transfer Characteristics
Document Number: 72085
S09-0705-Rev. D, 27-Apr-09
- 55 °C
Page 3
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
1.6
J
Si4423DY
Vishay Siliconix
Ω )
- On-Resistance (R
DS(on)
0.015
0.012
VGS = 1.8 V
0.009
0.006
0.003
0.000
0816243240
ID - Drain Current (A)
VGS = 2.5 V
VGS = 4.5 V
On-Resistance vs. Drain Current
5
VDS = 10 V
I
= 13 A
D
4
3
12000
10000
8000
6000
C - Capacitance (pF)
4000
2000
0
048121620
V
GS
I
1.4
1.2
D
C
iss
C
oss
C
rss
VDS - Drain-to-Source Voltage (V)
Capacitance
= 4.5 V
= 13 A
2
- Gate-to-Source Voltage (V)
GS
1
V
0
0255075100125
Qg - Total Gate Charge (nC)
Gate Charge
100
10
- Source Current (A)I
1
S
0.1
0.00.20.40.60.81.01.2
TJ = 150 °C
VSD - Source-to-Drain Voltage (V)
Source-Drain Diode Forward Voltage
TJ = 25 °C
- On-Resistance R
(Normalized)
1.0
DS(on)
0.8
0.6
- 5 0 - 25 0 2 5 5 0 7 5 100 125 150
- Junction T emperature (°C)
T
On-Resistance vs. Junction Temperature
0.030
0.024
Ω)
0.018
0.012
- On-Resistance (R
DS(on)
0.006
0.000
0.01.63.24.86.48.0
ID = 13 A
VGS - Gate-to-Source Voltage (V)
On-Resistance vs. Gate-to-Source Voltage
Document Number: 72085
S09-0705-Rev. D, 27-Apr-09
www.vishay.com
3
Page 4
Si4423DY
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?72085
Document Number: 72085
.
www.vishay.com
S09-0705-Rev. D, 27-Apr-09
5
Page 6
SOIC (NARROW): 8-LEAD
JEDEC Part Number: MS-012
Package Information
Vishay Siliconix
D
e
BA
1
DIM
A1.351.750.0530.069
A
1
B0.350.510.0140.020
C0.190.250.00750.010
D4.805.000.1890.196
E3.804.000.1500.157
e1.27 BSC0.050 BSC
H5.806.200.2280.244
h0.250.500.0100.020
L0.500.930.0200.037
q0°8°0°8°
S0.440.640.0180.026
ECN: C-06527-Rev. I, 11-Sep-06
DWG: 5498
8
1
0.25 mm (Gage Plane)
A
6
7
2
5
HE
3
4
S
h x 45
C
L
MILLIMETERSINCHES
MinMaxMinMax
0.100.200.0040.008
All Leads
q
0.101 mm
0.004"
Document Number: 71192
11-Sep-06
www.vishay.com
1
Page 7
VISHAY SILICONIX
Trench FE T® Power MOSFETs
Application Note 808
Mounting LITTLE FOOT®, SO-8 Power MOSFETs
Wharton McDaniel
Surface-mounted LITTLE FOOT power MOSFETs use
integrated circuit and small-signal packages which have
been been modified to provide the heat transfer capabilities
required by power devices. Leadframe materials and
0.050
1.27
design, molding compounds, and die attach materials have
been changed, while the footprint of the packages remains
the same.
See Application Note 826, Recommended Minimum Pad
Patterns With Outline Drawing Access for Vishay Siliconix
MOSFETs, (http://www.vishay.com/ppg?72286), for the
0.027
0.69
0.07
1.98
Figure 2. Dual MOSFET SO-8 Pad Pattern
basis of the pad design for a LITTLE FOOT SO-8 power
MOSFET. In converting this recommended minimum pad
to the pad set for a power MOSFET, designers must make
two connections: an electrical connection and a thermal
connection, to draw heat away from the package.
In the case of the SO-8 package, the thermal connections
are very simple. Pins 5, 6, 7, and 8 are the drain of the
MOSFET for a single MOSFET package and are connected
together. In a dual package, pins 5 and 6 are one drain, and
pins 7 and 8 are the other drain. For a small-signal device or
integrated circuit, typical connections would be made with
traces that are 0.020 inches wide. Since the drain pins serve
the additional function of providing the thermal connection
to the package, this level of connection is inadequate. The
The minimum recommended pad patterns for the
single-MOSFET SO-8 with copper spreading (Figure 1) and
dual-MOSFET SO-8 with copper spreading (Figure 2) show
the starting point for utilizing the board area available for the
heat-spreading copper. To create this pattern, a plane of
copper overlies the drain pins. The copper plane connects
the drain pins electrically, but more importantly provides
planar copper to draw heat from the drain leads and start the
process of spreading the heat so it can be dissipated into the
ambient air. These patterns use all the available area
underneath the body for this purpose.
total cross section of the copper may be adequate to carry
the current required for the application, but it presents a
large thermal impedance. Also, heat spreads in a circular
fashion from the heat source. In this case the drain pins are
the heat sources when looking at heat spread on the PC
board.
Since surface-mounted packages are small, and reflow
soldering is the most common way in which these are
affixed to the PC board, “thermal” connections from the
planar copper to the pads have not been used. Even if
additional planar copper area is used, there should be no
problems in the soldering process. The actual solder
0.288
7.3
connections are defined by the solder mask openings. By
combining the basic footprint with the copper plane on the
drain pins, the solder mask generation occurs automatically.
A final item to keep in mind is the width of the power traces.
The absolute minimum power trace width must be
determined by the amount of current it has to carry. For
thermal reasons, this minimum width should be at least
0.020 inches. The use of wide traces connected to the drain
plane provides a low impedance path for heat to move away
from the device.
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.