HCPL-315J datasheet(21/22 Pages) AVAGO

tên linh kiện	HCPL-315J

Giải thích chi tiết về linh kiện	0.5 Amp Output Current IGBT Gate Drive Optocoupler

PDF	22 Pages

Scroll/Zoom	100%

nhà sản xuất	AVAGO [AVAGO TECHNOLOGIES LIMITED]

Trang chủ	http://www.avagotech.com

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Figure 33. Recommended LED Drive Circuit for Ultra-High CMR.

Figure 32. Not Recommended Open Collector Drive Circuit.

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.

VOUT1

ILED2

VOUT2

ILED1

Q1 ON

Q2 OFF

Q1 OFF

Q2 ON

HCPL-3150 fig 34

Figure 34. Minimum LED Skew for Zero Dead Time.

Figure 35. Waveforms for Dead Time.

tPLH

MIN

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.

VOUT1

ILED2

VOUT2

ILED1

Q1 ON

Q2 OFF

Q1 OFF

Q2 ON

HCPL-3150 fig 35

tPHL MIN

tPHL MAX

tPLH MAX

= PDD* MAX

(tPHL-tPLH) MAX

HCPL-3150 fig 32

CLEDP

CLEDN

SHIELD

+5 V

ILEDN

HCPL-3150 fig 33

CLEDP

CLEDN

SHIELD

+5 V

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