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Product Detailed Parameters
- Description：TRANSISTOR OUTPUT OPTOCOUPLER
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Number of Channels：-
- Voltage - Isolation：-
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：-
- Output Type：-
- Voltage - Output (Max)：-
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The TIL153 is a photovoltaic output optocoupler manufactured by Texas Instruments. It provides high-voltage galvanic isolation between circuits using a solar cell array as the sensing element. The device features a DC transfer ratio ranging from 10% to 50%. It offers an isolation voltage of 2500 V RMS with a peak withstand voltage of 3535 V. This component is designed for applications requiring reliable electrical isolation without the need for a bias voltage on the output side.
Feature Summary
- Photovoltaic output architecture eliminates the need for external bias voltage
- High-voltage galvanic isolation capability for circuit protection
- Solar cell array provides robust signal transmission across isolation barrier
Applications
- Circuit isolation in industrial control systems
- Signal transmission in high-noise environments
- Isolation interfaces for measurement and testing equipment
Procurement Notes
Verify the specific ordering suffix and package type when placing orders, as these details define the physical form factor and terminal configuration. Confirm that the component status is active or available through lifetime buy programs if discontinuation notices apply. Ensure compliance with relevant regulatory standards such as RoHS and REACH requirements for the intended market.
Selection Notes
Select this component when a bias-free output is required for isolation applications. The photovoltaic output design simplifies circuit topology by removing the need for a separate power supply on the receiving side. Consider the isolation voltage rating and transfer ratio characteristics to ensure compatibility with the target signal levels and noise immunity requirements.
Part Context
The TIL153 belongs to the family of Texas Instruments optocouplers designed for galvanic isolation. Unlike transistor-output optocouplers, it utilizes a photovoltaic mechanism. This places it in a category suitable for applications where low leakage current and zero-bias operation are critical. It serves as a bridge for safe signal transfer between different potential domains.
Replacement Considerations
Consult official substitution guides for equivalent photovoltaic output optocouplers. Verify pinout compatibility and isolation voltage ratings before replacing. Alternative devices may require adjustments to input current or load conditions due to differences in transfer ratio characteristics.
