參數(shù)資料
型號: IRF1405ZL-7PPBF
廠商: International Rectifier
英文描述: HEXFET㈢ Power MOSFET ( VDSS = 55V , RDS(on) = 4.9mヘ , ID = 120A )
中文描述: ㈢的HEXFET功率MOSFET(減振鋼板基本\u003d 55V的,的RDS(on)\u003d4.9米ヘ,身份證\u003d 120A條)
文件頁數(shù): 7/12頁
文件大?。?/td> 700K
代理商: IRF1405ZL-7PPBF
www.irf.com
7
Fig 15.
Typical Avalanche Current vs.Pulsewidth
Fig 16.
Maximum Avalanche Energy
vs. Temperature
Notes on Repetitive Avalanche Curves , Figures 15, 16:
(For further info, see AN-1005 at www.irf.com)
1. Avalanche failures assumption:
Purely a thermal phenomenon and failure occurs at a
temperature far in excess of T
jmax
. This is validated for
every part type.
2. Safe operation in Avalanche is allowed as long asT
jmax
is
not exceeded.
3. Equation below based on circuit and waveforms shown in
Figures 12a, 12b.
4. P
D (ave)
= Average power dissipation per single
avalanche pulse.
5. BV = Rated breakdown voltage (1.3 factor accounts for
voltage increase during avalanche).
6. I
av
= Allowable avalanche current.
7.
T
=
Allowable rise in junction temperature, not to exceed
T
jmax
(assumed as 25°C in Figure 15, 16).
t
av =
Average time in avalanche.
D = Duty cycle in avalanche = t
av
·f
Z
thJC
(D, t
av
) = Transient thermal resistance, see figure 11)
P
D (ave)
= 1/2 ( 1.3·BV·I
av
) = T/ Z
thJC
I
av
=
2 T/ [1.3·BV·Z
th
]
E
AS (AR)
= P
D (ave)
·t
av
25
50
75
100
125
150
175
Starting TJ , Junction Temperature (°C)
0
50
100
150
200
250
300
EA
TOP Single Pulse
BOTTOM 1% Duty Cycle
ID = 88A
1.0E-06
1.0E-05
1.0E-04
1.0E-03
1.0E-02
1.0E-01
tav (sec)
0.1
1
10
100
1000
A
0.05
0.10
Duty Cycle = Single Pulse
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming
Τ
j = 25°C and
Tstart = 150°C.
0.01
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming
Tj = 150°C and
Tstart =25°C (Single Pulse)
相關PDF資料
PDF描述
IRF1405ZS-7PPBF HEXFET㈢ Power MOSFET ( VDSS = 55V , RDS(on) = 4.9mヘ , ID = 120A )
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IRF1405ZL AUTOMOTIVE MOSFET
IRF1405ZS AUTOMOTIVE MOSFET
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