Si9428DY
Vishay Siliconix
N-Channel 2.5-V (G-S) MOSFET
PRODUCT SUMMARY
V
DS
(V)
20
r
DS(on)
(W)
0.03 @ V
GS
= 4.5 V
0.04 @ V
GS
= 2.5 V
I
D
(A)
6
5.2
D
1
D
1
SO-8
S
S
S
G
1
2
3
4
Top View
S
1
Ordering Information: Si9428DY
Si9428DY-T1 (with Tape and Reel)
N-Channel MOSFET
8
7
6
5
D
D
D
D
G
1
ABSOLUTE MAXIMUM RATINGS (T
A
= 25_C UNLESS OTHERWISE NOTED)
Parameter
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain Current (T
J
= 150_C)
a, b
Pulsed Drain Current
Continuous Source Current (Diode Conduction)
a, b
Maximum Power Dissipation
a, b
Operating Junction and Storage Temperature Range
T
A
= 25_C
T
A
= 70_C
P
D
T
J
, T
stg
T
A
= 25_C
T
A
= 70_C
I
D
I
DM
I
S
Symbol
V
DS
V
GS
Limit
20
"8
6
4.8
20
1.7
2.5
1.6
- 55 to 150
Unit
V
A
W
_C
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction to Ambient
a
Junction-to-Ambient
t
v10
sec
Steady State
R
thJA
70
Symbol
Typical
Maximum
50
Unit
_C/W
Notes
a. Surface Mounted on FR4 Board.
b. t
v10
sec.
Document Number: 70810
S-03950—Rev. C, 26-May-03
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Si9428DY
Vishay Siliconix
MOSFET SPECIFICATIONS (T
J
=25_C UNLESS OTHERWISE NOTED)
Parameter
Static-0.6
Gate Threshold Voltage
Gate-Body Leakage
Zero Gate Voltage Drain Current
On-State Drain Current
a
Drain-Source On-State
Drain Source On State Resistance
a
Forward Transconductance
a
Diode Forward Voltage
a
V
GS(th)
I
GSS
I
DSS
I
D(on)
r
DS( )
DS(on)
g
fs
V
SD
V
DS
= V
GS
, I
D
= 250
mA
V
DS
= 0 V, V
GS
=
"8
V
V
DS
= 20 V, V
GS
= 0 V
V
DS
= 20 V, V
GS
= 0 V, T
J
= 55_C
V
DS
w
5 V, V
GS
= 4.5 V
V
GS
= 4.5 V, I
D
= 6 A
V
GS
= 2.5 V, I
D
= 5.2 A
V
DS
= 10 V, I
D
= 6 A
I
S
= 1.7 A, V
GS
= 0 V
20
0.023
0.028
24
0.75
1.2
0.03
0.04
0.6
"100
1
5
V
nA
mA
A
W
S
V
Symbol
Test Condition
Min
Typ
Max
Unit
Dynamic
b
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
Q
g
Q
gs
Q
gd
R
g
t
d(on)
t
r
t
d(off)
t
f
t
rr
I
F
= 1.7 A, di/dt = 100 A/ms
V
DD
= 10 V, R
L
= 10
W
I
D
^
1 A, V
GEN
= 4.5 V, R
G
= 6
W
1
30
70
70
30
70
V
DS
= 10 V, V
GS
= 4.5 V, I
D
= 6 A
21
2.9
6.5
3.4
60
140
140
60
100
ns
W
40
nC
Notes
a. Pulse test; pulse width
v
300
ms,
duty cycle
v
2%.
b. Guaranteed by design, not subject to production testing.
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Document Number: 70810
S-03950—Rev. C, 26-May-03
Si9428DY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Output Characteristics
20
V
GS
= 4.5, 4, 3.5, 3, 2.5 V
2V
16
15
I D - Drain Current (A)
12
I D - Drain Current (A)
20
Transfer Characteristics
10
8
5
T
C
= 125_C
25_C
- 55_C
4
1.5 V
1, 0 V
0
0
1
2
3
4
5
0
0.0
0.5
1.0
1.5
2.0
2.5
V
DS
- Drain-to-Source Voltage (V)
V
GS
- Gate-to-Source Voltage (V)
On-Resistance vs. Drain Current
0.05
3000
Capacitance
r DS(on)- On-Resistance (
W
)
0.04
C - Capacitance (pF)
V
GS
= 2.5 V
0.03
V
GS
= 4.5 V
0.02
2500
2000
1500
C
iss
1000
C
oss
500
C
rss
0.01
0.00
0
5
10
I
D
- Drain Current (A)
15
20
0
0
2
4
6
8
10
12
V
DS
- Drain-to-Source Voltage (V)
Gate Charge
5
V
DS
= 10 V
I
D
= 6 A
1.8
On-Resistance vs. Junction Temperature
V GS - Gate-to-Source Voltage (V)
r DS(on)- On-Resistance (
W
)
(Normalized)
4
1.6
V
GS
= 4.5 V
I
D
= 6 A
1.4
3
1.2
2
1.0
1
0.8
0
0
5
10
15
20
25
0.6
- 50
0
50
100
150
Q
g
- Total Gate Charge (nC)
T
J
- Junction Temperature (_C)
Document Number: 70810
S-03950—Rev. C, 26-May-03
www.vishay.com
3
Si9428DY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Source-Drain Diode Forward Voltage
20
T
J
= 150_C
10
I S - Source Current (A)
r DS(on)- On-Resistance (
W
)
0.10
On-Resistance vs. Gate-to-Source Voltage
0.08
0.06
0.04
I
D
= 6 A
0.02
T
J
= 25_C
1
0.2
0.4
0.6
0.8
1.0
1.2
0.00
0
2
4
6
8
V
SD
- Source-to-Drain Voltage (V)
V
GS
- Gate-to-Source Voltage (V)
Threshold Voltage
0.4
I
D
= 250
mA
48
60
Single Pulse Power
0.2
V GS(th) Variance (V)
- 0.0
Power (W)
36
- 0.2
24
- 0.4
- 0.6
12
- 0.8
- 50
0
0
50
T
J
- Temperature (_C)
100
150
0.01
0.1
1
Time (sec)
10
30
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
0.02
Single Pulse
0.01
10
-4
P
DM
t
1
t
2
1. Duty Cycle, D =
t
1
t
2
2. Per Unit Base = R
thJA
=
70
_C/W
3. T
JM
- T
A
= P
DM
Z
thJA(t)
4. Surface Mounted
10
-3
10
-2
10
-1
1
10
100
600
Square Wave Pulse Duration (sec)
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Document Number: 70810
S-03950—Rev. C, 26-May-03
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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