参数资料
型号: IRF1405S
厂商: International Rectifier
文件页数: 7/12页
文件大小: 0K
描述: MOSFET N-CH 55V 131A D2PAK
标准包装: 50
系列: HEXFET®
FET 型: MOSFET N 通道,金属氧化物
FET 特点: 标准
漏极至源极电压(Vdss): 55V
电流 - 连续漏极(Id) @ 25° C: 131A
开态Rds(最大)@ Id, Vgs @ 25° C: 5.3 毫欧 @ 101A,10V
Id 时的 Vgs(th)(最大): 4V @ 250µA
闸电荷(Qg) @ Vgs: 260nC @ 10V
输入电容 (Ciss) @ Vds: 5480pF @ 25V
功率 - 最大: 200W
安装类型: 表面贴装
封装/外壳: TO-263-3,D²Pak(2 引线+接片),TO-263AB
供应商设备封装: D2PAK
包装: 管件
其它名称: *IRF1405S
IRF1405S/L
1000
Duty Cycle = Single Pulse
100
0.01
0.05
Allowed avalanche Current vs
avalanche pulsewidth, tav
assuming ? Tj = 25°C due to
avalanche losses
10
1
0.1
0.10
1.0E-07
1.0E-06
1.0E-05
1.0E-04
1.0E-03
1.0E-02
1.0E-01
1.0E+00
tav (sec)
Fig 15. Typical Avalanche Current Vs.Pulsewidth
600
500
400
300
200
100
TOP Single Pulse
BOTTOM 10% Duty Cycle
ID = 101A
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
0
25
50
75
100
125
150
175
T jmax (assumed as 25°C in Figure 15, 16).
t av = Average time in avalanche.
D = Duty cycle in avalanche = t av ·f
Starting T J , Junction Temperature (°C)
Fig 16. Maximum Avalanche Energy
Vs. Temperature
www.irf.com
Z thJC (D, t av ) = Transient thermal resistance, see figure 11)
P D (ave) = 1/2 ( 1.3·BV·I av ) = D T/ Z thJC
I av = 2 D T/ [1.3·BV·Z th ]
E AS (AR) = P D (ave) ·t av
7
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