IRF234 데이터 시트보기 (PDF) - Intersil

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IRF234

8.1A and 6.5A, 275V and 250V, 0.45 and 0.68 Ohm, N-Channel Power MOSFETs

Intersil 

IRF234, IRF235, IRF236, IRF237

Test Circuits and Waveforms

VARY tP TO OBTAIN

REQUIRED PEAK IAS

RG

VGS

tP

0V

VDS

L

DUT

+

VDD

-

IAS

0.01Ω

FIGURE 15. UNCLAMPED ENERGY TEST CIRCUIT

tP

IAS

BVDSS

VDS

VDD

0

tAV

FIGURE 16. UNCLAMPED ENERGY WAVEFORMS

RL

+

RG

VDD

-

DUT

VGS

FIGURE 17. SWITCHING TIME TEST CIRCUIT

VDS

tON

td(ON)

tr

90%

tOFF

td(OFF)

tf

90%

10%

0

VGS

10%

0

50%

PULSE WIDTH

10%

90%

50%

FIGURE 18. RESISTIVE SWITCHING WAVEFORMS

CURRENT

REGULATOR

12V

BATTERY

0.2µF 50kΩ

0.3µF

VDS

(ISOLATED

SUPPLY)

SAME TYPE

AS DUT

VDD

Qgs

Qg(TOT)

Qgd

VGS

D

VDS

G

DUT

0

IG(REF)

0

S

VDS

IG(REF)

IG CURRENT

ID CURRENT

SAMPLING

SAMPLING

0

RESISTOR

RESISTOR

FIGURE 19. GATE CHARGE TEST CIRCUIT

FIGURE 20. GATE CHARGE WAVEFORMS

5-7

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