Si2318DS Datasheet. Www.s Manuals.com. Vishay
User Manual: Marking of electronic components, SMD Codes C8, C8*, C8***, C8-**, C8-***, C84, C8=**, C8=***, C8A, C8B, C8C, C8D, C8E, C8F, C8G, C8H, C8J, C8K, C8L, C8M, C8N, C8P, C8Q, C8R, C8S, C8T, C8U, C8V, C8W, C8X, C8Y, C8Z. Datasheets BSS84, BZX585-B4V7, CMPZ5226B, CMPZ5227B, CMPZ5228B, CMPZ5229B, CMPZ5230B, CMPZ5231B, CMPZ5232B, CMPZ5233B, CMPZ5234B, CMPZ5235B, CMPZ5236B, CMPZ5237B, CMPZ5238B, CMPZ5239B, CMPZ5240B, CMPZ5241B, CMPZ5242B, CMPZ5243B, CMPZ5244B, CMPZ5245B, CMPZ5246B, CMPZ5247B, CMPZ5248B, CMPZ5249B, RT
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FEATURES
DTrenchFETr Power MOSFET
APPLICATIONS
DStepper Motors
DLoad Switch
Si2318DS
Vishay Siliconix
New Product
Document Number: 72322
S-31731—Rev. A, 18-Aug-03
www.vishay.com
1
N-Channel 40-V (D-S) MOSFET
PRODUCT SUMMARY
VDS (V) rDS(on) (W)ID (A)
40
0.045 @ VGS = 10 V 3.9
40 0.058 @ VGS = 4.5 V 3.5
G
S
D
Top View
2
3
TO-236
(SOT-23)
1
*Marking Code
Si2318DS( C8)*
Ordering Information: Si2318DS-T1 (with Tape and Reel)
ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)
Parameter Symbol 5 sec Steady State Unit
Drain-Source Voltage VDS 40
V
Gate-Source Voltage VGS "20
V
Continuous Drain Current (TJ = 150
_
C)a, b
TA= 25_C
ID
3.9 3.0
Continuous Drain Current (TJ = 150_C)a,
b
TA= 70_CID3.1 2.4
A
Pulsed Drain CurrentbIDM 16 A
Continuous Source Current (Diode Conduction)a, bIS0.8
Power Dissipationa, b
TA= 25_C
PD
1.25 0.75
W
Power Dissipationa,
b
TA= 70_CPD0.8 0.48 W
Operating Junction and Storage Temperature Range TJ, Tstg -55 to 150 _C
THERMAL RESISTANCE RATINGS
Parameter Symbol Typical Maximum Unit
Mi J ti tAbit
a
t v 5 sec
R
75 100
Maximum Junction-to-Ambienta
Steady State RthJA 120 166 _C/W
Maximum Junction-to-Foot (drain) Steady State RthJF 40 50
C/W
Notes
a. Surface Mounted on 1” x 1” FR4 Board.
b. Pulse width limited by maximum junction temperature
Si2318DS
Vishay Siliconix New Product
www.vishay.com
2
Document Number: 72322
S-31731—Rev. A, 18-Aug-03
SPECIFICATIONS (TA = 25_C UNLESS OTHERWISE NOTED)
Limits
Parameter Symbol Test Conditions Min Typ Max Unit
Static
Drain-Source Breakdown Voltage V(BR)DSS VGS = 0 V, ID = 250 mA40
V
Gate-Threshold Voltage VGS(th) VDS = VGS, ID = 250 mA1 3 V
Gate-Body Leakage IGSS VDS = 0 V, VGS = "20 V "100 nA
Zero Gate Voltage Drain Current
IDSS
VDS = 32 V, VGS = 0 V 0.5
mA
Zero Gate Voltage Drain Current IDSS VDS = 32 V, VGS = 0 V, TJ = 55_C10 mA
On-State Drain CurrentaID(on) VDS w 4.5 V, VGS = 10 V 6 A
Drain Source On Resistancea
rDS( )
VGS = 10 V, ID = 3.9 A 0.036 0.045
W
Drain-Source On-ResistancearDS(on) VGS = 4.5 V, ID = 3.5 A 0.045 0.058 W
Forward Transconductanceagfs VDS = 10 V, ID = 3.9 A 11 S
Diode Forward Voltage VSD IS = 1.25 A, VGS = 0 V 0.8 1.2 V
Dynamicb
Total Gate Charge Qg10 15
Gate-Source Charge Qgs VDS = 20 V, VGS = 10 V, ID = 3.9 A 1.6 nC
Gate-Drain Charge Qgd
DS GS D
2.1
Gate Resistance Rg1.8 W
Input Capacitance Ciss 540
Output Capacitance Coss VDS = 20 V, VGS = 0 V, f = 1 MHz 80 pF
Reverse Transfer Capacitance Crss
DS GS
45
p
Switching
Turn-On Delay Time td(on) 5 10
Rise Time trV
DD
= 20 V, R
L
= 20 W12 20
ns
Turn-Off Delay Time td(off)
VDD = 20 V
,
RL = 20 W
ID ^ 1.0 A, VGEN = 10 V, RG = 6 W20 30 ns
Fall-Time tf15 25
Notes
a. Pulse test: PW v300 ms duty cycle v2%.
b. Guaranteed by design, not subject to production testing.
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
0
4
8
12
16
20
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
0
4
8
12
16
20
0246810
VGS = 10 thru 5 V
TC = 125_C
-55_C
4 V
25_C
Output Characteristics Transfer Characteristics
VDS - Drain-to-Source Voltage (V)
- Drain Current (A)ID
VGS - Gate-to-Source Voltage (V)
- Drain Current (A)ID
3 V
1, 2 V
Si2318DS
Vishay Siliconix
New Product
Document Number: 72322
S-31731—Rev. A, 18-Aug-03
www.vishay.com
3
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
- On-Resistance (rDS(on) W)
0
200
400
600
800
0 8 16 24 32 40
0.5
0.8
1.1
1.4
1.7
2.0
-50 -25 0 25 50 75 100 125 150
0
2
4
6
8
10
024681012
0.00
0.02
0.04
0.06
0.08
0 4 8 12 16 20
VDS - Drain-to-Source Voltage (V)
Coss
Ciss
VDS = 20 V
ID = 3.9 A
ID - Drain Current (A)
VGS = 10 V
ID = 3.9 A
Gate Charge
On-Resistance vs. Drain Current
- Gate-to-Source Voltage (V)
Qg - Total Gate Charge (nC)
C - Capacitance (pF)
VGS
Capacitance
On-Resistance vs. Junction Temperature
TJ - Junction Temperature (_C)
(Normalized)
- On-Resistance (rDS(on) W)
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
0.00
0.04
0.08
0.12
0.16
0.20
0246810
ID = 3.9 A
10
1
0.1
Source-Drain Diode Forward Voltage On-Resistance vs. Gate-to-Source Voltage
- On-Resistance (rDS(on) W)
VSD - Source-to-Drain Voltage (V) VGS - Gate-to-Source Voltage (V)
- Source Current (A)IS
TJ = 150_C
TJ = 25_C
VGS = 10 V
VGS = 4.5 V
Crss
Si2318DS
Vishay Siliconix New Product
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Document Number: 72322
S-31731—Rev. A, 18-Aug-03
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
10-3 10-2 1 10 60010-1
10-4 100
0.01
0
1
10
4
6
100 6000.1
Single Pulse Power
Time (sec)
2
8
Power (W)
-0.8
-0.6
-0.4
-0.2
-0.0
0.2
0.4
-50 -25 0 25 50 75 100 125 150
ID = 250 mA
2
1
0.1
0.01
0.2
0.1
0.05
0.02
Single Pulse
Duty Cycle = 0.5
Threshold Voltage
Variance (V)VGS(th)
TJ - Temperature (_C)
Normalized Thermal Transient Impedance, Junction-to-Ambient
Square Wave Pulse Duration (sec)
Normalized Effective Transient
Thermal Impedance
1. Duty Cycle, D =
2. Per Unit Base = RthJA = 166_C/W
3. TJM - T
A = PDMZthJA(t)
t1
t2
t1
t2
Notes:
4. Surface Mounted
PDM
10
TA = 25_C
- Drain Current (A)ID
Safe Operating Area, Junction-to-Case
VDS - Drain-to-Source Voltage (V)
100.0
1.0
0.1 1 10 100
0.01
10.0
0.1
Limited by rDS(on)
TA = 25_C
Single Pulse
10 ms
100 ms
10 ms
100 ms
1 ms
dc, 100 s, 10 s, 1 s
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Revision: 08-Apr-05 1
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