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Si4388DY
Vishay Siliconix
Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode
PRODUCT SUMMARY
FEATURES
Channel-1
Channel-2
V DS (V)
30
30
R DS(on) ( Ω )
0.016 at V GS = 10 V
0.024 at V GS = 4.5 V
0.015 at V GS = 10 V
0.017 at V GS = 4.5 V
I D (A) a Q g (Typ.)
10.7
8
8.6
11.3
19
10.6
? Halogen-free According to IEC 61249-2-21
Available
? TrenchFET ? Power MOSFET
? 100 % R g and UIS Tested
APPLICATIONS
SCHOTTKY PRODUCT SUMMARY
? CCFL Inverter
? Notebook Logic DC/DC
V DS (V)
30
V SD (V)
Diode Forward Voltage
0.43 V at 2.0 A
I F (A)
2.0
D 1
SO-8
G 1
D 1
1
8
G 1
N-Channel 1
D 1
G 2
S 2
2
3
4
7
6
5
S 1 /D 2
S 1 /D 2
S 1 /D 2
MOSFET
G 2
S 1 /D 2
Schottky Diode
Top View
Ordering Information: Si4388DY-T1-E3 (Lead (Pb)-free)
Si4388DY-T1-GE3 (Lead (Pb)-free and Halogen-free)
ABSOLUTE MAXIMUM RATINGS T A = 25 °C, unless otherwise noted
N-Channel 2
MOSFET
S 2
Parameter
Drain-Source Voltage
Gate-Source Voltage
T C = 25 °C
Symbol
V DS
V GS
Channel-1
30
± 20
10.7
Channel-2
30
± 12
11.3
Unit
V
Continuous Drain Current (T J = 150 °C)
T C = 70 °C
T A = 25 °C
T A = 70 °C
I D
8.5
8.1 b, c
6.4 b, c
-9
8.6 b, c
6.9 b, c
Pulsed Drain Current (10 μs Pulse Width)
I DM
40
40
A
Source-Drain Current Diode Current
Pulsed Source-Drain Current
T C = 25 °C
T A = 25 °C
I S
I SM
3.0
1.7 b, c
40
3.2
1.8 b, c
40
Single Pulse Avalanche Current
Single Pulse Avalanche Energy
L = 0.1 mH
I AS
E AS
15
11.2
20
20
mJ
T C = 25 °C
3.3
3.5
Maximum Power Dissipation
T C = 70 °C
T A = 25 °C
P D
2.1
1.9 b, c
2.2
2.2 b, c
W
T A = 70 °C
1.2 b, c
1.3 b, c
Operating Junction and Storage Temperature Range
T J , T stg
- 55 to 150
°C
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction-to-Ambient b, d t ≤ 10 s
Maximum Junction-to-Foot (Drain) Steady State
Symbol
R thJA
R thJF
Channel-1
Typ. Max.
54 65
32 38
Channel-2
Typ. Max.
47 60
30 35
Unit
°C/W
Notes:
a. Based on T C = 25 °C.
b. Surface Mounted on 1" x 1" FR4 board.
c. t = 10 s.
d. Maximum under Steady State conditions is 112 °C/W (Channel-1) and 107 °C/W (Channel-2).
Document Number: 74344
S09-0392-Rev. B, 09-Mar-09
www.vishay.com
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