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FOD2742BV
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Product Detailed Parameters
- Description：OPTOISO 2.5KV 1CH TRANS 8-SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：400mV
- Operating Temperature：-25°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The FOD2742BV is a single-channel optically isolated error amplifier manufactured by onsemi. It integrates an infrared LED with an NPN phototransistor output in an 8-SOIC package. The device provides 2500 Vrms isolation voltage and operates within a temperature range of -25°C to +85°C. Key electrical parameters include a forward voltage of 1.5 V, a current transfer ratio of 100%, and a maximum collector current of 50 mA. It features a reference voltage of 2.495 V and supports surface mount installation.
Feature Summary
- Integrates an error amplifier function within an optocoupler structure for precise signal transmission across isolation barriers.
- Utilizes an NPN phototransistor output stage to provide high-speed switching capabilities with low saturation voltage.
- Designed for surface mount applications using an 8-SOIC package to facilitate compact circuit board layouts.
Applications
- Switching power supply feedback loops
- Motor control systems requiring galvanic isolation
- Industrial process control instrumentation
Procurement Notes
Verify the component status as Not Recommended for New Designs (NRND) before finalizing procurement plans. Confirm RoHS compliance details through official manufacturer declarations. Ensure that the specific suffix BV matches the required packaging and marking specifications for your assembly line. Cross-reference datasheet revisions to confirm parameter stability.
Selection Notes
Select this component when a dedicated error amplifier function is needed within an isolated environment. The integrated reference voltage simplifies circuit design compared to discrete optocouplers. Consider the 2500 Vrms isolation rating for safety requirements. Evaluate the thermal performance within the specified operating temperature range during system integration.
Part Context
This part belongs to the FOD2742B series of optically isolated amplifiers from onsemi. It shares functional similarities with other members like the FOD2743B but differs in isolation voltage and package type. The series is designed for applications requiring high reliability and precise analog signal transmission across electrical boundaries.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative models such as the FOD2742BR2V only if pinout and electrical characteristics match exactly. Consult manufacturer guidelines for end-of-life transition strategies.
