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Si4420DY
Vishay Siliconix

N-Channel 30-V (D-S) MOSFET


PRODUCT SUMMARY FEATURES
D TrenchFETr Power MOSFET
VDS (V) rDS(on) (W) ID (A)
D 100% Rg Tested
0.009 @ VGS = 10 V 13.5
30
0.013 @ VGS = 4.5 V 11




D




SO-8

S 1 8 D

S 2 7 D G

S 3 6 D

G 4 5 D


Top View S

Ordering Information: Si4420DY N-Channel MOSFET
Si4420DY-T1 (with Tape and Reel)




ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)
Parameter Symbol 10 sec Steady State Unit
Drain-Source Voltage VDS 30
V
Gate-Source Voltage VGS "20

TA = 25_C 13.5 9.5
Continuous Drain Current (TJ = 150_C)a ID
TA = 70_C 10.8 7.5
A
Pulsed Drain Current IDM 50

Continuous Source Current (Diode Conduction)a IS 2.7 1.36

TA = 25_C 3.0 1.5
Maximum Power Dissipationa PD W
TA = 70_C 1.9 0.95

Operating Junction and Storage Temperature Range TJ, Tstg -55 to 150 _C




THERMAL RESISTANCE RATINGS
Parameter Symbol Typical Maximum Unit

t t 10 sec 33 42
Junction-to-Ambienta
Maximum J
M i ti t A bi t RthJA
Steady State 70 84 _C/W

Maximum Junction-to-Foot (Drain) Steady State RthJF 16 21

Notes
a. Surface Mounted on FR4 Board, t v 10 sec.
For SPICE model information via the Worldwide Web: http://www.vishay.com/www/product/spice.htm

Document Number: 71818 www.vishay.com
S-31990--Rev. F, 13-Oct-03 1
Si4420DY
Vishay Siliconix


SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED)
Parameter Symbol Test Condition Min Typ Max Unit

Static
Gate Threshold Voltage VGS(th) VDS = VGS, ID = 250 mA 1.0 2.0 3.0 V

Gate-Body Leakage IGSS VDS = 0 V, VGS = "20 V "100 nA

VDS = 30 V, VGS = 0 V 1
Zero Gate Voltage Drain Current IDSS mA
VDS = 30 V, VGS = 0 V, TJ = 55_C 5
On-State Drain Currenta ID(on) VDS w 5 V, VGS = 10 V 30 A
VGS = 10 V, ID =13.5 A 0.0075 0.009
Drain Source On State Resistancea
Drain-Source On-State rDS( )
DS(on) W
VGS = 4.5 V, ID = 11 A 0.010 0.013
Forward Transconductancea gfs VDS = 15 V, ID = 13.5 A 50 S
Diode Forward Voltagea VSD IS = 2.3 A, VGS = 0 V 1.1 V

Dynamicb
Gate Charge Qg VDS = 15 V, VGS = 5 V, ID = 13.5 A 29 45
Total Gate Charge Qgt 58 90
nC
Gate-Source Charge Qgs VDS = 15 V, VGS = 10 V, ID = 13.5 A
, , 12
Gate-Drain Charge Qgd 9.5

Gate Resistance Rg 0.5 2.1 4.6 W
Turn-On Delay Time td(on) 22 35
Rise Time tr 13 20
VDD = 15 V, RL = 15 W
Turn-Off Delay Time td(off) ID ^ 1 A, VGEN = 10 V, Rg = 6 W 82 125 ns
Fall Time tf 30 45
Source-Drain Reverse Recovery Time trr IF = 2.3 A, di/dt = 100 A/ms 50 75

Notes
a. Pulse test; pulse width v 300 ms, duty cycle v 2%.
b. Guaranteed by design, not subject to production testing.




TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)

Output Characteristics Transfer Characteristics
50 50

VGS = 10 thru 4 V
40 40
I D - Drain Current (A)




I D - Drain Current (A)




30 30



20 20

TC = 125_C
10 3V 10
25_C
-55_C
0 0
0 1 2 3 4 5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

VDS - Drain-to-Source Voltage (V) VGS - Gate-to-Source Voltage (V)


www.vishay.com Document Number: 71818
2 S-31990--Rev. F, 13-Oct-03
Si4420DY
Vishay Siliconix

TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
On-Resistance vs. Drain Current Capacitance
0.030 5000
r DS(on) - On-Resistance ( W )




Ciss
0.024 4000




C - Capacitance (pF)
0.018 3000


VGS = 4.5 V
0.012 2000

Coss

0.006 1000
VGS = 10 V Crss


0.000 0
0 10 20 30 40 50 0 4 8 12 16 20

ID - Drain Current (A) VDS - Drain-to-Source Voltage (V)

Gate Charge On-Resistance vs. Junction Temperature
10 1.6
VDS = 15 V VGS = 10 V
V GS - Gate-to-Source Voltage (V)




ID = 13.5 A ID = 13.5 A
r DS(on) - On-Resistance (W)




8 1.4
(Normalized)




6 1.2



4 1.0



2 0.8



0 0.6
0 10 20 30 40 50 60 -50 -25 0 25 50 75 100 125 150
Qg - Total Gate Charge (nC) TJ - Junction Temperature (_C)


Source-Drain Diode Forward Voltage On-Resistance vs. Gate-to-Source Voltage
50 0.05



0.04
r DS(on) - On-Resistance ( W )
I S - Source Current (A)




TJ = 150_C ID = 13.5 A
10 0.03



0.02


TJ = 25_C
0.01



1 0.00
0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 2 4 6 8
VSD - Source-to-Drain Voltage (V) VGS - Gate-to-Source Voltage (V)


Document Number: 71818 www.vishay.com
S-31990--Rev. F, 13-Oct-03 3
Si4420DY
Vishay Siliconix

TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Threshold Voltage Single Pulse Power, Junction-to-Ambient
0.4 200


0.2
160
ID = 250 mA
V GS(th) Variance (V)




-0.0
120




Power (W)
-0.2

80
-0.4

40
-0.6


-0.8 0
-50 -25 0 25 50 75 100 125 150 0.001 0.01 0.1 1 10
TJ - Temperature (_C) Time (sec)



Normalized Thermal Transient Impedance, Junction-to-Ambient
2

1
Duty Cycle = 0.5
Normalized Effective Transient
Thermal Impedance




0.2
Notes:
0.1
0.1 PDM
0.05
t1
t2
t1
0.02 1. Duty Cycle, D =
t2
2. Per Unit Base = RthJA = 70_C/W
3. TJM - TA = PDMZthJA(t)
Single Pulse 4. Surface Mounted
0.01
10-4 10-3 10-2 10-1 1 10 100 600
Square Wave Pulse Duration (sec)

Normalized Thermal Transient Impedance, Junction-to-Foot
2

1
Duty Cycle = 0.5
Normalized Effective Transient
Thermal Impedance




0.2

0.1
0.1
0.05

0.02


Single Pulse

0.01
10-4 10-3 10-2 10-1 1 10
Square Wave Pulse Duration (sec)



www.vishay.com Document Number: 71818
4 S-31990--Rev. F, 13-Oct-03
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Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1