Broadcom
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Description
The ACPL-W454/P454 is similar to Broadcom’s other high speed
transistor output optocouplers, but with shorter propagation
delays and higher CTR. The ACPL-W454/P454 also has a
guaranteed propagation delay difference (tPLH – tPHL). These
features make the ACPL-W454/P454 an excellent solution to
IPM inverter dead timeand other switching problems.
The ACPL-W454/P454 CTR, propagation delays, and CMR are
specified both for TTL load and drive conditions and for IPM
(Intelligent Power Module) load and drive conditions.
Specifications and typical performance plots for both TTL and
IPM conditions are provided for ease of application.
This diode-transistor optocoupler uses an insulating layer
between the light emitting diode and an integrated photo
detector to provide electrical insulation between input and
output. Separate connections for the photodiode bias and
output transistor collector increase the speed up to a hundred
times over that of a conventional phototransistor coupler by
reducing the base-collector capacitance.
CAUTION It is advised that normal static precautions be
taken in handling and assembly of this
component to prevent damage and/or
degradation which may be induced by ESD.
Features
Package clearance/creepage at 8 mm (ACPL-W454)
Function compatible with HCPL-4504
Surface mountable in 6-pin stretched SO6
Short propagation delays for TTL and IPM applications
Very high common mode transient immunity: guaranteed
15 kV/μs at V
CM
= 1500 V
High CTR: >25% at 25 °C
Guaranteed specifications for common IPM applications
TTL compatible
Guaranteed AC and DC performance over temperature:
0°C to 70°C
Open collector output
Safety approval
— UL recognized 3750 Vrms for 1 minute (5000 Vrms for
1 minute under ACPL-W454 devices) per UL1577
— CSA approved
— IEC/EN/DIN EN 60747-5-5 approved with V
IORM
=
1140 Vpeak (ACPL-W454) and V
IORM
= 891 Vpeak
(ACPL-P454) for Option 060.
Applications
Inverter circuits and intelligent power module (IPM)
Interfacing – Shorter propagation delays and guaranteed
(tPLH – tPHL) specifications.
High-speed logic ground isolation – TTL/TTL, TTL/LTTL,
TTL/CMOS, TTL/LSTTL
Line receivers – High common mode transient immunity
(>15 kV/μs for a TTL load/drive) and low input-output
capacitance (0.6 pF).
Replace pulse transformers – Save board space and weight
Analog signal ground isolation – Integrated photo
detector provides improved linearity over phototransistors
ACPL-P454 and ACPL-W454
High CMR High-Speed Optocoupler
Data Sheet
