ACPL-P456-560E データシートの表示（PDF） - Broadcom Corporation

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ACPL-P456-560E

High CMR Intelligent Power Module and Gate Drive Interface Optocoupler

Broadcom Corporation 

ACPL-P456 and ACPL-W456

Figure 22 Minimum LED Skew for Zero Dead Time

ILED1

VOUT1

VOUT2

Q1 ON

Q2 OFF

Q1 OFF

Q2 ON

ILED2

tPLH MAX.

tPHL

MIN.

PDD* MAX. =

(tPLH-tPHL) MAX. = tPLH MAX. - tPHL MIN.

*PDD = PROPAGATION DELAY DIFFERENCE

NOTE: THE PROPAGATION DELAYS USED TO CALCULATE

PDD ARE TAKEN AT EQUAL TEMPERATURES.

Data Sheet

Figure 23 Waveforms for Deadtime Calculation

ILED1

VOUT1

VOUT2

Q1 ON

Q2 OFF

Q1 OFF

Q2 ON

ILED2

tPLH

MIN.

tPLH

MAX.

PDD*

MAX.

tPHL

MIN.

tPHL

MAX.

MAX.

DEAD TIME

MAXIMUM DEAD TIME (DUE TO OPTOCOUPLER)

= (tPLH MAX. - tPLH MIN.) + (tPHL MAX. - tPHL MIN.)

= (tPLH MAX. - tPHL MIN.) - (tPLH MIN. - tPHL MAX.)

= PDD* MAX. - PDD* MIN.

*PDD = PROPAGATION DELAY DIFFERENCE

NOTE: THE PROPAGATION DELAYS USED TO CALCULATE THE MAXIMUM

DEAD TIME ARE TAKEN AT EQUAL TEMPERATURES.

Broadcom

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