RFM3N45 Просмотр технического описания (PDF) - Intersil

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Компоненты Описание

производитель

RFM3N45

3A, 450V and 500V, 3 Ohm, N-Channel Power MOSFETs

Intersil 

RFM3N45, RFM3N50, RFP3N45, RFP3N50

Test Circuits and Waveforms

RL

+

RG

VDD

-

DUT

VGS

FIGURE 11. SWITCHING TIME TEST CIRCUIT

CURRENT

REGULATOR

12V

BATTERY

0.2µF 50kΩ

0.3µF

VDS

(ISOLATED

SUPPLY)

SAME TYPE

AS DUT

D

G

DUT

IG(REF)

0

S

VDS

IG CURRENT

SAMPLING

ID CURRENT

SAMPLING

RESISTOR

RESISTOR

FIGURE 13. GATE CHARGE 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 12. RESISTIVE SWITCHING WAVEFORMS

VDD

Qgs

Qg(TOT)

Qgd

VGS

VDS

0

IG(REF)

0

FIGURE 14. GATE CHARGE WAVEFORMS

5

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