IRLR9343 Ver la hoja de datos (PDF) - International Rectifier

Número de pieza

componentes Descripción

Fabricante

IRLR9343

DIGITAL AUDIO MOSFET

International Rectifier 

IRLR/U9343 & IRLU9343-701

D.U.T

+

Driver Gate Drive

P.W.

Period

D=

P.W.

Period

+

‚

-



RG

ƒ

Circuit Layout Considerations

• Low Stray Inductance

• Ground Plane

-

• Low Leakage Inductance

Current Transformer

-„ +

D.U.T. ISD Waveform

Reverse

Recovery

Current

Body Diode Forward

Current

di/dt

D.U.T. VDS Waveform Diode Recovery

dv/dt

• dv/dt controlled by RG

• Driver same type as D.U.T.

VDD

+

• ISD controlled by Duty Factor "D"

-

• D.U.T. - Device Under Test

Re-Applied

Voltage

Body Diode

InductorInCduurcetnotr

Current

Forward Drop

Ripple ≤ 5%

* Reverse Polarity of D.U.T for P-Channel

* VGS = 5V for Logic Level Devices

Fig 16. Peak Diode Recovery dv/dt Test Circuit for P-Channel

HEXFET® Power MOSFETs

VDS

L

RG

-V20GVS

tp

D.U.T

IAS

0.01Ω

DRIVER

VDD

A

VDS

VGS

RG

RD

D.U.T.

-10V

Pulse Width ≤ 1 µs

Duty Factor ≤ 0.1 %

15V

* VGS=10V

VDD

ISD

-

+ VDD

Fig 17a. Unclamped Inductive Test Circuit

IAS

Fig 18a. Switching Time Test Circuit

VGS

10%

td(on) tr

td(off) tf

tp

V(BR)DSS

Fig 17b. Unclamped Inductive Waveforms

L

VCC

DUT

0

1K

Fig 19a. Gate Charge Test Circuit

6

90%

VDS

Fig 18b. Switching Time Waveforms

Id

Vds

Vgs

Vgs(th)

Qgs1 Qgs2 Qgd

Qgodr

Fig 19b Gate Charge Waveform

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