d. 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.
e. Rework Conditions: manual soldering with a soldering iron is not recommended for leadless components.
Document Number: 73314
S09-0273-Rev. B, 16-Feb-09
www.vishay.com
1
Si7148DP
Vishay Siliconix
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction-to-Ambient
a, b
Maximum Junction-to-Case (Drain)
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
b. Maximum under Steady State conditions is 65 °C/W.
t
≤
10 s
Steady State
Symbol
R
thJA
R
thJC
Typical
18
1.0
Maximum
23
1.3
Unit
°C/W
SPECIFICATIONS
T
J
= 25 °C, unless otherwise noted
Parameter
Static
Drain-Source Breakdown Voltage
V
DS
Temperature Coefficient
V
GS(th)
Temperature Coefficient
Gate-Source Threshold Voltage
Gate-Source Leakage
Zero Gate Voltage Drain Current
On-State Drain Current
a
Drain-Source On-State Resistance
a
Forward Transconductance
a
Dynamic
b
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Gate Resistance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
C
iss
C
oss
C
rss
Q
g
Q
gs
Q
gd
R
g
t
d(on)
t
r
t
d(off)
t
f
t
d(on)
t
r
t
d(off)
t
f
V
DD
= 38 V, R
L
= 3.8
Ω
I
D
≅
10 A, V
GEN
= 10 V, R
g
= 1
Ω
V
DD
= 38 V, R
L
= 3.8
Ω
I
D
≅
10 A, V
GEN
= 4.5 V, R
g
= 1
Ω
f = 1 MHz
0.5
V
DS
= 38 V, V
GS
= 10 V, I
D
= 15 A
V
DS
= 38 V, V
GS
= 4.5 V, I
D
= 15 A
V
DS
= 35 V, V
GS
= 0 V, f = 1 MHz
2900
370
196
68
33
9.5
16.8
1.1
33
255
35
100
17
46
39
18
1.7
50
390
55
150
26
70
60
30
ns
Ω
100
50
nC
pF
V
DS
ΔV
DS
/T
J
ΔV
GS(th)
/T
J
V
GS(th)
I
GSS
I
DSS
I
D(on)
R
DS(on)
g
fs
V
GS
= 0 V, I
D
= 250 µA
I
D
= 250 µA
V
DS
= V
GS
, I
D
= 250 µA
V
DS
= V
GS
, I
D
= 5 mA
V
DS
= 0 V, V
GS
= ± 20 V
V
DS
= 75 V, V
GS
= 0 V
V
DS
= 75 V, V
GS
= 0 V, T
J
= 55 °C
V
DS
≥
5 V, V
GS
= 10 V
V
GS
= 10 V, I
D
= 15 A
V
GS
= 4.5 V, I
D
= 13.5 A
V
DS
= 15 V, I
D
= 15 A
30
0.0091
0.012
60
0.011
0.0145
1.5
75
75
-6
2.0
2.3
± 100
1
10
2.5
V
mV/°C
V
nA
µA
A
Ω
S
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
www.vishay.com
2
Document Number: 73314
S09-0273-Rev. B, 16-Feb-09
Si7148DP
Vishay Siliconix
SPECIFICATIONS
T
J
= 25 °C, unless otherwise noted
Parameter
Continuous Source-Drain Diode
Current
Pulse Diode Forward
Body Diode Voltage
Body Diode Reverse Recovery Time
Body Diode Reverse Recovery Charge
Reverse Recovery Fall Time
Reverse Recovery Rise Time
Current
a
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Drain-Source Body Diode Characteristics
I
S
I
SM
V
SD
t
rr
Q
rr
t
a
t
b
I
F
= 12 A, dI/dt = 100 A/µs, T
J
= 25 °C
I
S
= 4.3 A
0.76
41
67
27
14
T
C
= 25 °C
25
60
1.1
65
105
V
ns
nC
ns
A
Notes:
a. Pulse test; pulse width
≤
300 µs, duty cycle
≤
2 %.
b. Guaranteed by design, not subject to production testing.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
I use the serial port 0 of ATMEGA162 to conduct serial port experiments, but no matter how I set the baud rate, the baud rate is always 1200 and cannot be changed. Please help me solve this problem. T...
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