Datasheet > IRFB4615

IRFB4615

更新时间： 2023-12-06 20:10:54

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
9页	302K
描述
The StrongIRFET? power MOSFET family is optimized for low RDS(on)?and high current capability. The devices are ideal for low frequency applications requiring performance and ruggedness. The comprehensive portfolio addresses a broad range of applications including DC motors, battery management systems, inverters, and DC-DC converters.?

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IRFB4615 数据手册

IRFB4615PbF

D = 0.50

0.20

0.10

R₁

R₂

R₃

R₄

Ri (°C/W) τi (sec)

0.1

0.02324 0.000008

0.26212 0.000106

0.50102 0.001115

0.25880 0.005407

0.05

0.02

0.01

^Jτ_J

^Cτ

¹τ₁

Ci= τi/Ri

²τ₂

³τ₃

⁴τ₄

0.01

0.001

Notes:

1. Duty Factor D = t1/t2

2. Peak Tj = P dm x Zthjc + Tc

SINGLE PULSE

( THERMAL RESPONSE )

1E-006

1E-005

0.0001

0.001

0.01

0.1

, Rectangular Pulse Duration (sec)

Fig 13. Maximum Effective Transient Thermal Impedance, Junction-to-Case

100

Duty Cycle = Single Pulse

Allowed avalanche Current vs avalanche

pulsewidth, tav, assuming ∆Tj = 150°C and

Tstart =25°C (Single Pulse)

0.01

0.05

0.10

Allowed avalanche Current vs avalanche

pulsewidth, tav, assuming ∆Τ j = 25°C and

Tstart = 150°C.

0.1

1.0E-06

1.0E-05

1.0E-04

1.0E-03

1.0E-02

1.0E-01

tav (sec)

Fig 14. Typical Avalanche Current vs.Pulsewidth

120

Notes on Repetitive Avalanche Curves , Figures 14, 15:

(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_jmaxis not exceeded.

3. Equation below based on circuit and waveforms shown in Figures 16a, 16b.

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 14, 15).

t_{av =}Average time in avalanche.

D = Duty cycle in avalanche = t_av·f

TOP

BOTTOM 1.0% Duty Cycle

= 21A

Single Pulse

100

Z_thJC(D, t_av) = Transient thermal resistance, see Figures 13)

P_{D (ave)}= 1/2 ( 1.3·BV·I_av) = DT/ Z_thJC

100

125

150

175

I_av= 2DT/ [1.3·BV·Z_th]

E_{AS (AR)}= P_{D (ave)}·t_av

Starting T , Junction Temperature (°C)

Fig 15. Maximum Avalanche Energy vs. Temperature

www.irf.com

1 2 3 456 7 8 9

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