The "1458 optocoupler" datasheet is your gateway to understanding a family of high-performance, reliable isolation components from Broadcom. Whether you are designing an industrial motor drive, a robust data communication interface, or a safety-critical medical device, these devices offer the speed, isolation, and noise immunity required for demanding applications.
Imagine you found a scrap optocoupler labeled "1458" (maybe a counterfeit or house number). How do you test it?
Whether you are interfacing with or direct power semiconductors Share public link 1458 optocoupler datasheet
V(BR)CBOcap V sub open paren cap B cap R close paren cap C cap B cap O end-sub Breakdown Voltage (
This datasheet is for informational purposes only. Specifications subject to change without notice. Verify with original manufacturer before design-in. The "1458 optocoupler" datasheet is your gateway to
Top View (Notch facing left or up) ---- Notch ---- | 1 o o 6 | | 2 o o 5 | | 3 o o 4 | ------------
Sends voltage feedback from the low-voltage output side back to the high-voltage PWM controller on the primary side while keeping the two stages isolated. How do you test it
Minimize the trace length between the bypass capacitor and the VCCcap V sub cap C cap C end-sub GNDcap G cap N cap D pins of the optocoupler to ensure maximum noise immunity.
Because the HCPL-1458 series is from a specific manufacturer, finding a "drop-in" replacement can be challenging. However, you can find equivalent components by looking for optocouplers from other reputable brands (like , Toshiba , or ON Semiconductor ) that share the same key specifications.