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Si7848BDP
Vishay Siliconix
N-Channel 40-V (D-S) MOSFET
PRODUCT SUMMARY
V DS (V) R DS(on) ( Ω )
I D (A) f
Q g (Typ.)
FEATURES
? Halogen-free According to IEC 61249-2-21
Definition
40
0.009 at V GS = 10 V
0.012 at V GS = 4.5 V
47
40
15 nC
? TrenchFET ? Power MOSFET
? 100 % R g and UIS Tested
? Compliant to RoHS directive 2002/95/EC
PowerPAK ? SO-8
APPLICATIONS
? DC/DC Converters
6.15 mm
1
S
2
S
S
5.15 mm
- Synchronous Buck
- Synchronous Rectifier
D
D
3
4
G
8
D
7
6
D
D
G
5
Bottom View
S
Ordering Information: Si7848BDP-T1-E3 (Lead (Pb)-free)
Si7848BDP-T1-GE3 (Lead (Pb)-free and Halogen-free)
ABSOLUTE MAXIMUM RATINGS T A = 25 °C, unless otherwise noted
N-Channel MOSFET
Parameter
Drain-Source Voltage
Gate-Source Voltage
T C = 25 °C
Symbol
V DS
V GS
Limit
40
± 20
47
Unit
V
Continuous Drain Current (T J = 150 °C)
Pulsed Drain Current
Avalanche Current
Avalanche Energy
Continuous Source-Drain Diode Current
T C = 70 °C
T A = 25 °C
T A = 70 °C
L = 0.1 mH
T C = 25 °C
T A = 25 °C
I D
I DM
I AS
E AS
I S
38
16 a, b
12.8 a, b
50
15
11
30
3.5 a, b
A
mJ
A
T C = 25 °C
36
Maximum Power Dissipation
T C = 70 °C
T A = 25 °C
P D
23
4.2 a, b
W
T A = 70 °C
2.7 a, b
Operating Junction and Storage Temperature Range
Soldering Recommendations (Peak Temperature) c, d
T J , T stg
- 55 to 150
260
°C
THERMAL RESISTANCE RATINGS
Parameter
Symbol
Typical
Maximum
Unit
Maximum Junction-to-Ambient a, e
Maximum Junction-to-Case (Drain)
t ≤ 10 s
Steady State
R thJA
R thJC
25
2.9
30
3.5
°C/W
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
b. t = 10 s.
c. See Solder Profile ( www.vishay.com/ppg?73257 ). The PowerPAK SO-8 is a leadless package. The end of the lead terminal is exposed copper
(not plated) as a result of the singulation process in manufacturing. A solder fillet at the exposed copper tip cannot be guaranteed and is not
required to ensure adequate bottom side solder interconnection.
d. Rework Conditions: manual soldering with a soldering iron is not recommended for leadless components.
e. Maximum under Steady State conditions is 70 °C/W.
f. Based on T C = 25 °C.
Document Number: 74632
S09-0532-Rev. C, 06-Apr-09
www.vishay.com
1
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