RFD3055 datasheet(5/8 Pages) INTERSIL

5 / 8 page

4-439

FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE

NOTE: Refer to Intersil Application Notes AN7254 and AN7260.

FIGURE 13. NORMALIZED SWITCHING WAVEFORMS FOR

CONSTANT GATE CURRENT

Test Circuits and Waveforms

FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT

FIGURE 15. UNCLAMPED ENERGY WAVEFORMS

FIGURE 16. SWITCHING TIME TEST CIRCUIT

FIGURE 17. RESISTIVE SWITCHING WAVEFORMS

Typical Performance Curves Unless Otherwise Speciﬁed (Continued)

CISS

COSS

CRSS

400

600

200

VDS, DRAIN TO SOURCE VOLTAGE (V)

VGS = 0V, f = 1MHz

CISS = CGS + CGD

CRSS = CGD

COSS ≈ CDS + CGD

7.5

5.0

2.5

IG(REF)

IG(ACT)

IG(REF)

IG(ACT)

t, TIME (

µs)

VDD = BVDSS

RL = 5Ω

IG(REF) = 0.24mA

VGS = 10V

0.75 BVDSS

0.50 BVDSS

0.25 BVDSS

0.75 BVDSS

0.50 BVDSS

0.25 BVDSS

VGS

0.01

Ω

IAS

VDS

VDD

DUT

VARY tP TO OBTAIN

REQUIRED PEAK IAS

VDD

VDS

BVDSS

IAS

tAV

VGS

DUT

VDD

tON

td(ON)

90%

10%

VDS

90%

10%

td(OFF)

tOFF

90%

50%

10%

PULSE WIDTH

VGS

RFD3055, RFD3055SM, RFP3055

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