Si7440DP
Vishay Siliconix
N-Channel 30-V (D-S) Fast Switching MOSFET
PRODUCT SUMMARY
VDS (V)
RDS(on) (Ω)
0.0065 at V...
Si7440DP
Vishay Siliconix
N-Channel 30-V (D-S) Fast Switching
MOSFET
PRODUCT SUMMARY
VDS (V)
RDS(on) (Ω)
0.0065 at VGS = 10 V 30
0.008 at VGS = 4.5 V
ID (A) 21 19
PowerPAK SO-8
6.15 mm
D 8D
7 D
6 D
5
S 1S
5.15 mm
2 S
3 G
4
Bottom View
Ordering Information: Si7440DP-T1-E3 (Lead (Pb)-free) Si7440DP-T1-GE3 (Lead (Pb)-free and Halogen-free)
FEATURES
Halogen-free According to IEC 61249-2-21 Available
TrenchFET® Power
MOSFET New Low Thermal Resistance PowerPAK®
Package with Low 1.07 mm Profile
100 % Rg Tested
APPLICATIONS
DC/DC Converters Optimized for “Low-Side”
Operation
Synchronous
Rectifier
D
G
S N-Channel
MOSFET
ABSOLUTE MAXIMUM RATINGS TA = 25 °C, unless otherwise noted
Parameter
Symbol
10 s Steady State
Drain-Source
Voltage Gate-Source
Voltage
Continuous Drain Current (TJ = 150°C)a
Pulsed Drain Current Continuous Source Current (Diode Conduction)a
Maximum Power Dissipationa
Operating Junction and Storage Temperature Range Soldering Recommendations (Peak Temperature)b, c
TA = 25°C TA = 70°C
TA = 25°C TA = 70°C
VDS VGS
ID
IDM IS
PD
TJ, Tstg
30 ± 20 21 12 17 9 60 4.3 1.6 5.4 1.9 3.4 1.2 - 55 to 150 260
Unit V
A
W °C
THERMAL RESISTANCE RATINGS
Parameter
Symbol
Typical
Maximum
Unit
Maximum Junction-to-Ambienta
t ≤ 10 s Steady State
RthJA
18 52
23 65 °C/W
Maximum Junction-to-Case (Drain)
Steady State
RthJC
1.0
1.3
Notes a. Surface Mounted on 1" x 1" FR4 board.
b. See Solder Profile (www.vishay.com/ppg?73257). The PowerPAK S...