Si4872DY
Vishay Siliconix
New Product
Document Number: 71248
S-01552--Rev. A, 17-Jul-00
www.vishay.com
S
FaxBack 408-970-5600
1
N-Channel Reduced Q
g
, Fast Switching MOSFET
PRODUCT SUMMARY
V
DS
(V)
r
DS(on)
(
W
)
I
D
(A)
30
0.0075 @ V
GS
= 10 V
15
30
0.010 @ V
GS
= 4.5 V
13
S
D
S
D
S
D
G
D
SO-8
5
6
7
8
Top View
2
3
4
1
N-Channel MOSFET
D
D
G
S
D
D
S
S
ABSOLUTE MAXIMUM RATINGS (T
A
= 25_C UNLESS OTHERWISE NOTED)
Parameter
Symbol
10 secs
Steady State
Unit
Drain-Source Voltage
V
DS
30
V
Gate-Source Voltage
V
GS
"
20
V
Continuous Drain Current
(T
J
= 150
_
C)
a
T
A
= 25
_
C
I
D
15
11.0
A
Continuous Drain Current
(T
J
= 150
_
C)
a
T
A
= 70
_
C
I
D
13
9.0
A
Pulsed Drain Current (10
m
s Pulse Width)
I
DM
50
A
Continuous Source Current (Diode Conduction)
a
I
S
2.7
1.40
Maximum Power Dissipation
a
T
A
= 25
_
C
P
D
3.10
1.56
W
Maximum Power Dissipation
a
T
A
= 70
_
C
P
D
2
1.0
W
Operating Junction and Storage Temperature Range
T
J
, T
stg
55 to 150
_
C
THERMAL RESISTANCE RATINGS
Parameter
Symbol
Typical
Maximum
Unit
Maximum Junction-to-Ambient
a
t
v
10 sec
R
thJA
33
40
_
C/W
Maximum Junction-to-Ambient
a
Steady State
R
thJA
68
80
_
C/W
Maximum Junction-to-Foot (Drain)
Steady State
R
thJF
16
21
Notes
a.
Surface Mounted on FR4 Board.
Si4872DY
Vishay Siliconix
New Product
www.vishay.com
S
FaxBack 408-970-5600
2
Document Number: 71248
S-01552--Rev. A, 17-Jul-00
MOSFET SPECIFICATIONS (T
J
= 25_C UNLESS OTHERWISE NOTED)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Static
Gate Threshold Voltage
V
GS(th)
V
DS
= V
GS
, I
D
= 250
m
A
1.0
V
Gate-Body Leakage
I
GSS
V
DS
= 0 V, V
GS
=
"
20 V
"
100
nA
Zero Gate Voltage Drain Current
I
DSS
V
DS
= 24 V, V
GS
= 0 V
1
m
A
Zero Gate Voltage Drain Current
I
DSS
V
DS
= 24 V, V
GS
= 0 V, T
J
= 55
_
C
5
m
A
On-State Drain Current
a
I
D(on)
V
DS
w
5 V, V
GS
= 10
V
40
A
Drain-Source On-State Resistance
a
r
DS(on)
V
GS
= 10
V, I
D
= 15 A
0.0062
0.0075
W
Drain-Source On-State Resistance
a
r
DS(on)
V
GS
= 4.5 V, I
D
= 13 A
0.0083
0.010
W
Forward Transconductance
a
g
fs
V
DS
= 15 V, I
D
= 15 A
42
S
Diode Forward Voltage
a
V
SD
I
S
= 2.7 A, V
GS
= 0 V
0.73
1.1
V
Dynamic
b
Total Gate Charge
Q
g
V
15 V V
5 0 V I
15 A
27
35
C
Gate-Source Charge
Q
gs
V
DS
= 15 V,
V
GS
= 5.0 V, I
D
= 15 A
10.2
nC
Gate-Drain Charge
Q
gd
11.2
Turn-On Delay Time
t
d(on)
V
15 V R
15
W
16
25
Rise Time
t
r
V
DD
= 15 V, R
L
= 15
W
I
1 A V
10 V R
6
W
9
20
Turn-Off Delay Time
t
d(off)
DD
,
L
I
D
^
1 A, V
GEN
= 10 V, R
G
= 6
W
60
100
ns
Fall Time
t
f
37
60
Source-Drain Reverse Recovery Time
t
rr
I
F
= 2.7 A, di/dt = 100 A/
m
s
50
80
Notes
a.
Pulse test; pulse width
v
300
m
s, duty cycle
v
2%.
b.
Guaranteed by design, not subject to production testing.
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
0
10
20
30
40
50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
10
20
30
40
50
0
2
4
6
8
10
V
GS
= 10 thru 4 V
25
_
C
T
C
= 125
_
C
2 V
55
_
C
3 V
Output Characteristics
Transfer Characteristics
V
DS
Drain-to-Source Voltage (V)
Drain Current (A)
I
D
V
GS
Gate-to-Source Voltage (V)
Drain Current (A)
I
D
Si4872DY
Vishay Siliconix
New Product
Document Number: 71248
S-01552--Rev. A, 17-Jul-00
www.vishay.com
S
FaxBack 408-970-5600
3
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
V
SD
Source-to-Drain Voltage (V)
0
0.01
0.02
0.03
0.04
0.05
0
2
4
6
8
10
On-Resistance (
r
DS(on)
W
)
V
GS
Gate-to-Source Voltage (V)
0
0.2
0.4
0.6
0.8
1.0
1.2
0
0.003
0.006
0.009
0.012
0.015
0
10
20
30
40
50
0
2
4
6
8
10
0
12
24
36
48
60
0.6
0.8
1.0
1.2
1.4
1.6
1.8
50
25
0
25
50
75
100
125
150
0
800
1600
2400
3200
4000
0
5
10
15
20
25
30
C
rss
C
oss
C
iss
V
DS
= 15 V
I
D
= 15 A
V
GS
= 10 V
I
D
= 15 A
V
GS
= 10 V
Gate Charge
On-Resistance vs. Drain Current
Gate-to-Source V
oltage
(V)
Q
g
Total Gate Charge (nC)
V
DS
Drain-to-Source Voltage (V)
C Capacitance (pF)
V
GS
On-Resistance (
r
DS(on)
W
)
I
D
Drain Current (A)
Capacitance
On-Resistance vs. Junction Temperature
T
J
Junction Temperature (
_
C)
(Normalized)
On-Resistance (
r
DS(on)
W
)
T
J
= 150
_
C
T
J
= 25
_
C
I
D
= 15 A
50
10
1
Source-Drain Diode Forward Voltage
On-Resistance vs. Gate-to-Source Voltage
Source Current (A)
I
S
V
GS
= 4.5 V
Si4872DY
Vishay Siliconix
New Product
www.vishay.com
S
FaxBack 408-970-5600
4
Document Number: 71248
S-01552--Rev. A, 17-Jul-00
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
10
3
10
2
1
10
600
10
1
10
4
100
0.001
0
1
80
100
20
10
0.01
Single Pulse Power, Juncion-To-Ambient
Time (sec)
60
40
Power (W)
2
1
0.1
0.01
0.2
0.1
0.05
0.02
Single Pulse
Duty Cycle = 0.5
Normalized Thermal Transient Impedance, Junction-to-Ambient
Square Wave Pulse Duration (sec)
Normalized Ef
fective
T
ransient
Thermal Impedance
1. Duty Cycle, D =
2. Per Unit Base = R
thJA
= 68
_
C/W
3. T
JM
T
A
= P
DM
Z
thJA
(t)
t
1
t
2
t
1
t
2
Notes:
4. Surface Mounted
P
DM
10
3
10
2
1
10
10
1
10
4
2
1
0.1
0.01
0.2
0.1
0.05
0.02
Single Pulse
Duty Cycle = 0.5
Normalized Thermal Transient Impedance, Junction-to-Foot
Square Wave Pulse Duration (sec)
Normalized Ef
fective
T
ransient
Thermal Impedance
0.1
1.0
0.8
0.6
0.4
0.2
0.0
0.2
0.4
0.6
50
25
0
25
50
75
100
125
150
I
D
= 250
m
A
Threshold Voltage
V
ariance (V)
V
GS(th)
T
J
Temperature (
_
C)
PDF 
ZIP