DRF100 Просмотр технического описания (PDF) - Advanced Power Technology

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DRF100

High Speed MOSFET Driver

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T1 T2

A

B

C

T3 T4

Figure 17

T1 T2

A

B

T3 T4

C

Figure 18

The real time gating of the FN function

is illustrated in Figure 17. At T1 the FN

trace (C) is deactivated and at T4 it is

reactivated.

The output is shown as trace (B), There

is significant ringing on both the leading

and tailing edges. Trace (A) is the

input control signal

In Figure 18, trace (B) shows the anti-

ring function active during the pulse.

In trace (B) we see the output with a

greatly reduced ring amplitude.

Note: load = 50Ω + 3nF, series induc-

tance is estimated at 3nH. A typical

MOSFET can exceed this value.

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