According to the , the device boasts several high-performance features that make it suitable for industrial and communication applications: Low-Voltage Operation: Operates effectively within a wide VCCcap V sub cap C cap C end-sub
The HCPL-1458 is generally available in an 8-pin Small Outline Package (SOP-8). Proper understanding of the pinout is essential for correct PCB design. SOP-8 Pin Configuration (Typical) Input side power supply. VINcap V sub cap I cap N end-sub (Cathode): Input signal voltage. NC (No Connection): No internal connection. GND1: Input side ground. GND2: Output side ground. VOUTcap V sub cap O cap U cap T end-sub (Output): Open collector output. NC: No internal connection. $V_CC$2: Output side power supply.
Frequently used to safely step control signals up to the isolated gate driver stages that manipulate IGBTs and Power MOSFETs in power converters. 1458 optocoupler datasheet
| Parameter | Symbol | Typical Value | Unit | Conditions | |-----------|--------|---------------|------|------------| | Forward Current (IF) | | 20 | mA | IF = 20 mA , VF = 1.2 V | | Forward Voltage (VF) | VF | 1.2 | V | IF = 20 mA | | Collector‑Emitter Voltage (VCE) | VCE | 80 | V | IC = 0 mA | | Collector Current (IC) | IC | 50 | mA | VCE = 80 V | | CTR (Current Transfer Ratio) | CTR | 100 % ± 20 % | % | IF = 20 mA , VCE = 5 V | | Rise Time (tr) | tr | 3 | µs | IF = 20 mA | | Fall Time (tf) | tf | 3 | µs | IF = 20 mA | | Isolation Voltage | VISO | 5000 | Vrms | 1 min, 60 Hz | | Operating Temperature Range | TOP | –40 to +85 | °C | – | | Storage Temperature Range | TS | –55 to +150 | °C | – |
The datasheet for the 1458 series of optocouplers is a complete technical manual that, when understood, becomes a powerful design tool. By systematically working through the sections—starting with features, moving to pinout, then to absolute maximum and electrical specifications—you can confidently integrate this versatile component into your projects and ensure both robust performance and safety. According to the , the device boasts several
The 1458 optocoupler integrates an Infrared Light Emitting Diode (IR LED) optically coupled to a silicon NPN phototransistor within a single compact package.
Understanding the pin configuration is crucial for PCB layout and prototyping. Below is the typical 8-pin Dual In-line Package (DIP) layout for a standard 1458 dual-channel optocoupler: VINcap V sub cap I cap N end-sub
A direct search for a component explicitly named "" yields a significant discrepancy in electronic component databases. The part number "1458" is predominantly associated with a Dual Operational Amplifier (analog IC), not an optocoupler.