Vishay Siliconix
Si4834CDY
Document Number: 68790
S09-2109-Rev. B, 12-Oct-09
www.vishay.com
1
Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode
FEATURES
• Halogen-free According to IEC 61249-2-21
Definition
• TrenchFET
®
Power MOSFET
• 100 % R
g
Tested
• 100 % UIS Tested
• Compliant to RoHS Directive 2002/95/EC
APPLICATIONS
• Notebook Logic dc-to-dc
• Low Current dc-to-dc
PRODUCT SUMMARY
V
DS
(V) R
DS(on)
(Ω)
I
D
(A)
a, e
Q
g
(Typ.)
Channel-1 30
0.020 at V
GS
= 10 V 8.0
7.3
0.025 at V
GS
= 4.5 V 8.0
Channel-2 30
0.020 at V
GS
= 10 V 8.0
7.3
0.025 at V
GS
= 4.5 V 8.0
SCHOTTKY PRODUCT SUMMARY
V
DS
(V)
V
SD
(V)
Diode Forward Voltage
I
F
(A)
a
30 0.51 V at 1.0 A 2.0
S
1
D
1
G
1
D
1
S
2
D
2
G
2
D
2
SO-8
5
6
7
8
Top View
2
3
4
1
Ordering Information: Si4834CDY-T1-E3 (Lead (Pb)-free)
Si4834CDY-T1-GE3 (Lead (Pb)-free and Halogen-free)
N-Channel MOSFET
D
1
G
1
S
1
Schottky
Diode
N-Channel MOSFET
D
2
G
2
S
2
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 110 °C/W (Channel-1) and 110 °C/W (Channel-2).
e. Package limited.
ABSOLUTE MAXIMUM RATINGS T
A
= 25 °C, unless otherwise noted
Parameter Symbol Channel-1 Channel-2 Unit
Drain-Source Voltage
V
DS
30 30
V
Gate-Source Voltage
V
GS
± 20 ± 20
Continuous Drain Current (T
J
= 150 °C)
T
C
= 25 °C
I
D
8.0
e
8.0
e
A
T
C
= 70 °C
7.1 7.1
T
A
= 25 °C
7.5
b, c
7.5
b, c
T
A
= 70 °C
5.8
b, c
5.8
b, c
Pulsed Drain Current (10 µs Pulse Width)
I
DM
30 30
Source-Drain Current Diode Current
T
C
= 25 °C
I
S
2.6 2.6
T
A
= 25 °C
1.8
b, c
1.8
b, c
Pulsed Source-Drain Current
I
SM
30 30
Single Pulse Avalanche Current
L = 0.1 mH
I
AS
10 10
Single Pulse Avalanche Energy
E
AS
55
mJ
Maximum Power Dissipation
T
C
= 25 °C
P
D
2.9 2.9
W
T
C
= 70 °C
1.8 1.8
T
A
= 25 °C
2
b, c
2
b, c
T
A
= 70 °C
1.2
b, c
1.2
b, c
Operating Junction and Storage Temperature Range
T
J
, T
stg
- 55 to 150 °C
THERMAL RESISTANCE RATINGS
Parameter Symbol
Channel-1 Channel-2
Unit
Typ. Max. Typ. Max.
Maximum Junction-to-Ambient
b, d
t ≤ 10 s
R
thJA
52 62.5 52 62.5
°C/W
Maximum Junction-to-Foot (Drain) Steady State
R
thJF
35 43 35 43