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SI4944DY Datasheet, PDF (2/5 Pages) Vishay Siliconix – Dual N-Channel 30-V (D-S) MOSFET
Si4944DY
Vishay Siliconix
New Product
MOSFET SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED)
Parameter
Symbol
Test Condition
Min
Static
Gate Threshold Voltage
Gate-Body Leakage
Zero Gate Voltage Drain Current
On-State Drain Currenta
Drain-Source On-State Resistancea
Forward Transconductancea
Diode Forward Voltagea
Dynamicb
VGS(th)
IGSS
IDSS
ID(on)
rDS(on)
gfs
VSD
VDS = VGS, ID = 250 mA
1
VDS = 0 V, VGS = "20 V
VDS = 30 V, VGS = 0 V
VDS = 30 V, VGS = 0 V, TJ = 85_C
VDS w 5 V, VGS = 10 V
30
VGS = 10 V, ID = 12.2 A
VGS = 4.5 V, ID = 9.4 A
VDS = 10 V, ID = 12.2 A
IS = 1.9 A, VGS = 0 V
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Gate Resistance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Source-Drain Reverse Recovery Time
Qg
Qgs
Qgd
Rg
td(on)
tr
td(off)
tf
trr
VDS = 15 V, VGS = 4.5 V, ID = 12.2 A
f = 1 MHz
0.5
VDD = 15 V, RL = 15 W
ID ^ 1 A, VGEN = 10 V, RG = 6 W
IF = 1.9 A, di/dt = 100 A/ms
Notes
a. Pulse test; pulse width v 300 ms, duty cycle v 2%.
b. Guaranteed by design, not subject to production testing.
Typ Max Unit
3
V
"100
nA
1
mA
5
A
0.0075 0.0095
W
0.013
0.016
32
S
0.8
1.2
V
13.5
21
7.1
nC
4.7
1.0
1.7
W
10
15
10
15
40
60
ns
12
20
45
70
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Output Characteristics
30
VGS = 10 thru 5 V
24
4V
18
12
6
3V
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VDS − Drain-to-Source Voltage (V)
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2
Transfer Characteristics
30
24
18
12
TC = 125_C
6
25_C
−55_C
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
VGS − Gate-to-Source Voltage (V)
Document Number: 72512
S-32131—Rev. A, 27-Oct-03