Si9426DY
Vishay Siliconix
N-Channel 2.5-V (G-S) MOSFET
PRODUCT SUMMARY
VDS (V)
20
rDS(on) (W)
0.0135 @ VGS = 4.5 V 0.0160 @ VGS = 2.5 V
ID (A)
10 9.3
D
SO-8
S S S G 1 2 3 4 Top View S Ordering Information: Si9426DY Si9426DY-T1 (with Tape and Reel) N-Channel MOSFET 8 7 6 5 D D D D G
ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)
Parameter
Drain-Source Voltage Gate-Source Voltage Continuous Drain Current (TJ = 150_C)a Pulsed Drain Current Continuous Source Current (Diode Conduction)a Maximum Power Dissipationa Operating Junction and Storage Temperature Range TA = 25_C TA = 70_C PD TJ, Tstg TA = 25_C TA = 70_C ID IDM IS
Symbol
VDS VGS
Limit
20 "8 10 8 30 2.3 2.5 1.6 - 55 to 150
Unit
V
A
W _C
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction-to-Ambienta Notes a. Surface Mounted on FR4 Board, t v 10 sec. Document Number: 70160 S-03950—Rev. E, 26-May-03 www.vishay.com
Symbol
RthJA
Limit
50
Unit
_C/W
1
Si9426DY
Vishay Siliconix
SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED)
Parameter Static
Gate Threshold Voltage Gate-Body Leakage Zero Gate Voltage Drain Current On-State Drain Currentb Drain-Source On-State Drain Source On State Resistanceb Forward Transconductanceb Diode Forward Voltageb VGS(th) IGSS IDSS ID(on) rDS( ) DS(on) gfs VSD VDS = VGS, ID = 250 mA VDS = 0 V, VGS = "8 V VDS = 20 V, VGS = 0 V VDS = 20 V, VGS = 0 V, TJ = 55_C VDS w 5 V, VGS = 4.5 V VGS = 4.5 V, ID = 10 A VGS = 2.5 V, ID = 8 A VDS = 10 V, ID = 10 A IS = 2.3 A, VGS = 0 V 30 0.0098 0.011 57 0.71 1.2 0.0135 0.0160 0.6 "100 1 5 V nA mA A W S V
Symbol
Test Condition
Min
Typa
Max
Unit
Dynamica
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 IF = 2.3 A, di/dt = 100 A/ms VDD = 6 V, RL = 6 W ID ^ 1 A, VGEN = 4.5 V, RG = 6 W 1 50 110 150 55 59 VDS = 6 V, VGS = 4.5 V, ID = 10 A 46.5 5.5 13.5 3.9 100 200 300 100 100 ns W 80 nC
Notes a. Guaranteed by design, not subject to production testing. b. Pulse test; pulse width v 300 ms, duty cycle v 2%.
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Document Number: 70160 S-03950—Rev. E, 26-May-03
Si9426DY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Output Characteristics
30 VGS = 5, 4.5, 4, 3.5, 3, 2.5, 2 V 24 I D - Drain Current (A) I D - Drain Current (A) 24 30
Transfer Characteristics
18
18
12
12 TC = 125_C 6 25_C - 55_C
6
1.5 V
1V 0 0 1 2 3 4 5 0 0.0 0.5 1.0 1.5
2.0
2.5
3.0
VDS - Drain-to-Source Voltage (V)
VGS - Gate-to-Source Voltage (V)
On-Resistance vs. Drain Current
0.020 6000
Capacitance
r DS(on) - On-Resistance ( Ω )
0.016 C - Capacitance (pF)
5000
0.012
VGS = 2.5 V
4000 Ciss 3000
0.008
VGS = 4.5 V
2000 Crss
Coss
0.004
1000
0.000 0 6 12 18 24 30
0 0 2 4 6 8 10 12
ID - Drain Current (A)
VDS - Drain-to-Source Voltage (V)
Gate Charge
5 VDS = 6 V ID = 10 A 1.8
On-Resistance vs. Junction Temperature
V GS - Gate-to-Source Voltage (V)
r DS(on) - On-Resistance ( Ω ) (Normalized)
4
1.6
VGS = 4.5 V ID = 10 A
1.4
3
1.2
2
1.0
1
0.8
0 0 10 20 30 40 50 60
0.6 - 50
0
50
100
150
Qg - Total Gate Charge (nC)
TJ - Junction Temperature (_C)
Document Number: 70160 S-03950—Rev. E, 26-May-03
www.vishay.com
3
Si9426DY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Source-Drain Diode Forward Voltage
30 0.05
On-Resistance vs. Gate-to-Source Voltage
I S - Source Current (A)
TJ = 150_C 10
r DS(on) - On-Resistance ( Ω )
0.04
0.03
0.02 ID = 10 A 0.01
TJ = 25_C 1 0 0.2 0.4 0.6 0.8 1.0 0.00 0 2 4 6 8
VSD - Source-to-Drain Voltage (V)
VGS - Gate-to-Source Voltage (V)
Threshold Voltage
0.6 100
Single Pulse Power
0.4 ID = 250 µA V GS(th) Variance (V) 0.2 Power (W)
80
60
- 0.0
40
- 0.2
- 0.4
20
- 0.6 - 50
0 0 50 TJ - Temperature (_C) 100 150 0.01 0.1 1 Time (sec) 10 100
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 0.05
PDM t1 t2 1. Duty Cycle, D = t1 t2 2. Per Unit Base = RthJA = 50_C/W 3. TJM - TA = PDMZthJA(t)
0.02 Single Pulse 0.01 10 -4 10 -3 10 -2 10 -1 1
4. Surface Mounted
10
30
Square Wave Pulse Duration (sec)
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Document Number: 70160 S-03950—Rev. E, 26-May-03
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