HCPL-0314 查看數據表（PDF） - Avago Technologies

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HCPL-0314

0.4 Amp Output Current IGBT Gate Drive Optocoupler

Avago Technologies 

ILED1

VOUT1

VOUT2

ILED2

Q1 ON

Q2 OFF

Q1 OFF

Q2 ON

tPHL MAX

tPLH MIN

PDD* MAX = (tPHL- tPLH)MAX = tPHL MAX - tPLH MIN

*PDD = PROPAGATION DELAY DIFFERENCE

NOTE: FOR PDD CALCULATIONS THE PROPAGATION DELAYS

ARE TAKEN AT THE SAME TEMPERATURE AND TEST CONDITIONS.

Figure 26. Minimum LED skew for zero dead time.

ILED1

VOUT1

VOUT2

Q1 ON

Q2 OFF

Q1 OFF

Q2 ON

ILED2

tPHL MIN

tPHL MAX

(tPHL-tPLH) MAX

tPLH

MIN

tPLH MAX

PDD* MAX

MAXIMUM DEAD TIME

(DUE TO OPTOCOUPLER)

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

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

= PDD* MAX – PDD* MIN

*PDD = PROPAGATION DELAY DIFFERENCE

NOTE: FOR DEAD TIME AND PDD CALCULATIONS ALL PROPAGATION

DELAYS ARE TAKEN AT THE SAME TEMPERATURE AND TEST CONDITIONS.

Figure 27. Waveforms for dead time.

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