參數(shù)資料
型號: IRF6655
廠商: International Rectifier
英文描述: DirectFET Power MOSFET Typical values (unless otherwise specified)
中文描述: DirectFET功率MOSFET的典型值(除非另有說明)
文件頁數(shù): 3/10頁
文件大小: 262K
代理商: IRF6655
www.irf.com
3
Fig 3.
Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
Surface mounted on 1 in. square Cu board, steady state.
Used double sided cooling , mounting pad.
Mounted on minimum footprint full size board with metalized
back and with small clip heatsink.
T
C
measured with thermocouple incontact with top (Drain) of part.
R
θ
is measured at
Surface mounted on 1 in. square Cu
board (still air).
Mounted on minimum
footprint full size board with
metalized back and with small
clip heatsink (still air)
1E-006
1E-005
0.0001
0.001
0.01
0.1
1
10
100
t1 , Rectangular Pulse Duration (sec)
0.01
0.1
1
10
100
T
0.20
0.10
0.05
D = 0.50
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + Tc
Absolute Maximum Ratings
Parameter
Units
W
P
D
@T
A
= 25°C
P
D
@T
A
= 70°C
P
D
@T
C
= 25°C
T
P
T
J
T
STG
Thermal Resistance
Power Dissipation
Power Dissipation
Power Dissipation
Peak Soldering Temperature
Operating Junction and
Storage Temperature Range
°C
Parameter
Typ.
–––
12.5
20
–––
1.4
Max.
58
–––
–––
3.0
–––
Units
R
θ
JA
R
θ
JA
R
θ
JA
R
θ
JC
R
θ
J-PCB
Junction-to-Ambient
Junction-to-Ambient
Junction-to-Ambient
Junction-to-Case
Junction-to-PCB Mounted
°C/W
2.2
1.4
42
270
-40 to + 150
Max.
Ri (°C/W)
τ
i (sec)
1.6195 0.000126
2.1406 0.001354
22.2887 0.375850
20.0457 7.410000
11.9144 99
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
τ
3
τ
3
R
1
R
1
R
2
R
2
R
3
R
3
Ci=
τ
i
/
Ri
Ci=
τ
i
/
Ri
τ
4
τ
4
R
4
R
4
τ
A
τ
A
τ
5
τ
5
R
5
R
5
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