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TLP291(GR-TP,SE
+Lista de MateriaisOPTOISOLTR 3.75KV 1CH TRANS 4-SO
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FabricanteToshiba Semiconductor and Storage
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Peça do Fabricante #TLP291(GR-TP,SE
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Ficha Técnica TLP291(GR-TP,SE DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Number of Channels | 1 |
| Voltage - Isolation | 3750Vrms |
| Current Transfer Ratio (Min) | 100% @ 5mA |
| Current Transfer Ratio (Max) | 300% @ 5mA |
| Turn On / Turn Off Time (Typ) | 3µs, 3µs |
| Rise / Fall Time (Typ) | 2µs, 3µs |
| Input Type | DC |
| Output Type | Transistor |
| Voltage - Output (Max) | 80V |
| Current - Output / Channel | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.25V |
| Current - DC Forward (If) (Max) | 50 mA |
| Vce Saturation (Max) | 300mV |
| Operating Temperature | -55°C ~ 110°C |
| Mounting Type | Surface Mount |
| Package / Case | 4-SOIC (0.179", 4.55mm Width) |
| Supplier Device Package | 4-SO |
| Base Product Number | TLP291 |
Visão Geral
Description
Key features of the TLP291(GR-TP,SE include a compact design, typically in a 4-pin DIP (Dual Inline Package) format, and the use of a GaAs infrared emitting diode optically coupled to a phototransistor. It offers high isolation voltage (usually around 5000 Vrms), ensuring safe operation in various applications.
The device finds wide applications in power supplies, microprocessor input interfaces, signal isolation, and various industrial control systems. It is valued for its reliability, efficiency, and ability to operate in a broad range of environmental conditions. Additionally, its design allows for easy integration into electronic circuits.
Equivalent
1. LTV-817 series from Lite-On
2. PC817 series from Sharp or Everlight
3. SFH618A series from Vishay
4. 4N25 series from various manufacturers
Ensure to compare parameters like input-output isolation voltage, CTR (Current Transfer Ratio), and package type when selecting equivalents.
Features
1. Isolation Voltage: Offers a high isolation voltage, typically around 3750 Vrms, which helps in protecting low-voltage parts of a circuit from high-voltage components.
2. Compact Package: Encased in a small 4-pin DIP (Dual Inline Package), which makes it suitable for space-constrained applications.
3. Current Transfer Ratio (CTR): The device typically has a range of CTRs, ensuring efficient signal transfer.
4. Wide Operating Temperature Range: Can operate within a temperature range of -55°C to +100°C, making it suitable for various environmental conditions.
5. Applications: Commonly used in power supply circuits, microprocessor input interfaces, and signal isolation in communication devices.
These features make the TLP291 a versatile component in electronic designs, providing reliability and efficiency in isolating different circuit sections.
Pinout
1. Anode (Pin 1): This is connected to the positive side of the input voltage and allows current to flow through the internal LED, which emits light when activated.
2. Cathode (Pin 2): This is connected to the negative side of the input voltage; it completes the circuit for the input LED.
3. Collector (Pin 3): This pin is part of the phototransistor output. It collects charge carriers generated by the light from the LED.
4. Emitter (Pin 4): This is the output pin of the phototransistor and is typically connected to ground or a reference voltage. It emits charge carriers to complete the output circuit.
The device is used for signal isolation and level shifting in various applications such as power supply regulators, digital circuits, and microcontroller interfaces.
Manufacturer
Application
1. Switching Power Supplies: Ensures safe isolation between high-voltage and low-voltage sections.
2. Microcontroller Interfaces: Provides an isolation barrier for communication interfaces.
3. Industrial Controls: Used in PLCs for isolating signals to prevent interference and ensure safety.
4. Telecommunications: Protects sensitive electronics from high voltage surges.
5. Consumer Electronics: Used in devices requiring isolation for safety and signal integrity.
These applications exploit its ability to transmit signals without direct electrical connection, enhancing safety and performance.