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HCPL-3150-360E View Datasheet(PDF) - Avago Technologies

Part Name
Description
MFG CO.
HCPL-3150-360E
Avagotech
Avago Technologies Avagotech
'HCPL-3150-360E' PDF : 21 Pages View PDF
1
8
+5 V
CLEDP
2
7
3
6
Q1
CLEDN
ILEDN
4
5
SHIELD
Figure 32. Not Recommended Open Collector Drive Circuit.
1
8
+5 V
CLEDP
2
7
3
6
CLEDN
4
5
SHIELD
Figure 33. Recommended LED Drive Circuit for Ultra-High CMR.
ILED1
ILED1
VOUT1
VOUT2
Q1 ON
Q2 OFF
Q1 OFF
Q2 ON
VOUT1
VOUT2
Q1 ON
Q2 OFF
Q1 OFF
Q2 ON
ILED2
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.
ILED2
tPHL MIN
tPHL MAX
tPLH
MIN
(tPHL-tPLH) MAX
= PDD* MAX
tPLH MAX
Figure 34. Minimum LED Skew for Zero Dead Time.
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 35. Waveforms for Dead Time.
20
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