Si4980DY
Vishay Siliconix
Dual N-Channel 80-V (D-S) MOSFET
PRODUCT SUMMARY
VDS (V)
80
rDS(on) (W)
0.075 @ VGS = 10 V 0.095 @ VGS = 6.0 V
ID (A)
3.7 3.2
D
SO-8
S1 G1 S2 G2 1 2 3 4 Top View Ordering Information: Si4980DY Si4980DY-T1 (with Tape and Reel) S N-Channel MOSFET 8 7 6 5 D1 D1 D2 D2 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
80 "20 3.7 2.9 30 1.7 2.0 1.3 - 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: 70646 S-03950—Rev. D, 26-May-03 www.vishay.com
Symbol
RthJA
Limit
62.5
Unit
_C/W
2-1
Si4980DY
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 Currena Drain-Source On-State Drain Source On State Resistancea Forward Transconductancea Diode Forward Voltagea VGS(th) IGSS IDSS ID(on) rDS( ) DS(on) gfs VSD VDS = VGS, ID = 250 mA VDS = 0 V, VGS = "20 V VDS = 80 V, VGS = 0 V VDS = 80 V, VGS = 0 V, TJ = 55_C VDS = 5 V, VGS = 10 V VGS = 10 V, ID = 3.7 A VGS = 6.0 V, ID = 3.2 A VDS = 15 V, ID = 3.7 A IS = 1.7 A, VGS = 0 V 20 0.062 0.071 12 1.2 0.075 0.095 2 "100 1 20 mA A W S V V nA
Symbol
Test Condition
Min
Typ
Max
Unit
Dynamicb
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 = 1.7 A, di/dt = 100 A/ms VDD = 40 V, RL = 40 W V, ID ^ 1 A, VGEN = 10 V, RG = 6 W 1 10 10 30 10 75 VDS = 40 V, VGS = 10 V, ID = 3.7 A 15 4 3.2 5.1 20 20 60 20 110 ns W 30 nC
Notes a. Pulse test; pulse width v 300 ms, duty cycle v 2%. b. For design aid only; not subject to production testing.
www.vishay.com
2-2
Document Number: 70646 S-03950—Rev. D, 26-May-03
Si4980DY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Output Characteristics
30 30
Transfer Characteristics
24 VGS = 10 thru 6 V I D - Drain Current (A) 18 5V 12 I D - Drain Current (A)
24
18
12 TC = 125_C 6 25_C - 55_C 0
6 4V 0 0 1 2 3 4 5
0
1
2
3
4
5
6
7
VDS - Drain-to-Source Voltage (V)
VGS - Gate-to-Source Voltage (V)
On-Resistance vs. Drain Current
0.20 1200
Capacitance
r DS(on)- On-Resistance ( W )
0.16 C - Capacitance (pF) 900 Ciss
0.12
VGS = 6 V
600
0.08 VGS = 10 V 0.04
300 Crss
Coss
0.00 0 6 12 18 24 30
0 0 10 20 30 40 50 60
ID - Drain Current (A)
VDS - Drain-to-Source Voltage (V)
Gate Charge
10 VDS = 40 V ID = 3.7 A 2.0
On-Resistance vs. Junction Temperature
V GS - Gate-to-Source Voltage (V)
6
r DS(on)- On-Resistance ( W ) (Normalized)
8
1.6
VGS = 10 V ID = 3.7 A
1.2
4
0.8
2
0.4
0 0 3 6 9 12 15
0.0 - 50
- 25
0
25
50
75
100
125
150
Qg - Total Gate Charge (nC)
TJ - Junction Temperature (_C)
Document Number: 70646 S-03950—Rev. D, 26-May-03
www.vishay.com
2-3
Si4980DY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Source-Drain Diode Forward Voltage
20 0.20
On-Resistance vs. Gate-to-Source Voltage
I S - Source Current (A)
10
r DS(on)- On-Resistance ( W )
0.15 ID = 3.7 A 0.10
TJ = 150_C
0.05
TJ = 25_C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 0.00 0 2 4 6 8 10
VSD - Source-to-Drain Voltage (V)
VGS - Gate-to-Source Voltage (V)
Threshold Voltage
1.0 50
Single Pulse Power
40 0.5 VGS(th) Variance (V) ID = 250 mA 0.0 30
Power (W)
20
- 0.5 10
- 1.0 - 50
- 25
0
25
50
75
100
125
150
0 0.01
0.10
1.00 Time (sec)
10.00
TJ - Temperature (_C)
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
0.02 Single Pulse 0.01 10 -4 10 -3 10 -2 10 -1
2. Per Unit Base = RthJA = 62.5_C/W 3. TJM - TA = PDMZthJA(t) 4. Surface Mounted
1
10
30
Square Wave Pulse Duration (sec)
www.vishay.com
2-4
Document Number: 70646 S-03950—Rev. D, 26-May-03
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