1458 Optocoupler Datasheet Extra Quality Online

In isolated DC-DC converters, the 1458 is frequently placed in the feedback loop alongside a shunt regulator (like the TL431). It passes error voltage signals across the barrier to the PWM controller on the primary high-voltage side without compromising isolation integrity. Best Practices for PCB Layout To maintain the 5300 VRMScap V sub cap R cap M cap S end-sub

Assume a mistaken desire to use a "1458 optocoupler" – instead, we select the .

| Part Number | CTR Range | Package | Option | |-------------|-----------|---------|--------| | 1458-A | 50 – 150% | 6-pin DIP | Tube | | 1458-B | 100 – 300% | 6-pin DIP | Tube | | 1458-C | 200 – 600% | 6-pin SMD | Tape & Reel | 1458 optocoupler datasheet

: Ground loop elimination and signal isolation in noisy factory environments.

Ground isolation in telecommunications and automotive systems. Power Supplies: Switching power supply feedback loops. Potentially Related Components In isolated DC-DC converters, the 1458 is frequently

If you are sourcing components, you can check inventory or download verified datasheets directly through distributors like the Jotrin Electronics HCPL-1458 Portal or the Xecor Components Database.

Features a remarkably low propagation delay—typically around 35 ns at 10 kHz —enabling high-frequency data rates and precise signal timing. | Part Number | CTR Range | Package

The is a high-speed, dual-channel logic gate optocoupler often manufactured by Broadcom (formerly Avago/Agilent) . It is designed for applications requiring robust electrical isolation and fast data transmission, such as industrial control and telecommunications. Key Specifications According to technical data , the HCPL-1458 features: Channels : 2 unidirectional channels. Data Rate : Up to 10 MBd (10 Mbps).

What (e.g., 5V TTL, 3.3V CMOS) are you driving the input with? What is the voltage of your isolated output side? Do you need help calculating the input LED resistor value ?

Engineers turn to the HCPL-1458 technical specifications when standard phototransistor couplers lack the speed or low-voltage efficiency required for modern microcontrollers. Specification Value Key Benefit 3.0 V to 5.5 V Direct compatibility with 3.3V and 5V logic. Propagation Delay 35 ns (typical at 10 kHz) Enables high-bit-rate data transmission. Isolation Rating VRMScap V sub cap R cap M cap S end-sub (1 Minute) Heavy-duty protection against spikes. Package Type SOP-8 (Small Outline) Ideal for high-density, space-constrained PCBs. Output Type Open Collector / Logic Gate Flexible level shifting with external pull-ups. Pinout Configuration and Package Details

[ CTR = \fracI_CI_F \times 100% ]