LR7843 Ver la hoja de datos (PDF) - International Rectifier

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LR7843

HEXFET Power MOSFET

International Rectifier 

IRLR/U7843

160

LIMITED BY PACKAGE

120

80

40

0

25

50 75 100 125 150 175

TC , Case Temperature (°C)

Fig 9. Maximum Drain Current vs.

Case Temperature

2.5

2.0

ID = 250µA

1.5

1.0

0.5

0.0

-75 -50 -25 0 25 50 75 100 125 150 175

TJ , Temperature ( °C )

Fig 10. Threshold Voltage vs. Temperature

10

1

D = 0.50

0.20

0.1

0.10

0.05

0.02

0.01

0.01

0.001

1E-006

SINGLE PULSE

( THERMAL RESPONSE )

τJ τJ

τ1 τ1

R1R1

Ci= τi/Ri

Ci i/Ri

R2R2

τCτ

τ2 τ2

Ri (°C/W) τi (sec)

0.5084 0.000392

0.5423 0.011108

Notes:

1. Duty Factor D = t1/t2

2. Peak Tj = P dm x Zthjc + Tc

1E-005

0.0001

0.001

0.01

0.1

t1 , Rectangular Pulse Duration (sec)

Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case

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