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LTV-817S-TA1-B
+Lista de MateriaisOPTOISOLATOR 5KV 1CH TRANS 4-SMD
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FabricanteLite-On Inc.
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Peça do Fabricante #LTV-817S-TA1-B
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Ficha Técnica LTV-817S-TA1-B DataSheet
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Em Estoque6271
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Especificações
| Atributo | Valor |
| Series | LTV-8x7 |
| Part Status | Active |
| Number of Channels | 1 |
| Voltage - Isolation | 5000Vrms |
| Current Transfer Ratio (Min) | 130% @ 5mA |
| Current Transfer Ratio (Max) | 260% @ 5mA |
| Rise / Fall Time (Typ) | 4µs, 3µs |
| Input Type | DC |
| Output Type | Transistor |
| Voltage - Output (Max) | 35V |
| Current - Output / Channel | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.2V |
| Current - DC Forward (If) (Max) | 50 mA |
| Vce Saturation (Max) | 200mV |
| Operating Temperature | -55°C ~ 110°C |
| Mounting Type | Surface Mount |
| Package / Case | 4-SMD, Gull Wing |
| Supplier Device Package | 4-SMD |
| Base Product Number | LTV-817 |
Visão Geral
Description
The primary function of the LTV-817S-TA1-B is to ensure electrical isolation while allowing signal transmission, which is crucial for protecting sensitive components from high voltages and noise in various electronic applications. This model is known for its compact size, high reliability, and efficient performance, making it suitable for use in switching power supplies, microprocessor input/output switching, and other industrial control systems.
Key specifications often include a high isolation voltage rating, a wide input current range for the LED, and compatibility with various operating temperatures. Overall, its use contributes to enhancing safety and signal integrity in complex electronic systems.
Equivalent
Features
1. Isolation Voltage: It typically offers a high isolation voltage, often around 5,000 Vrms, to separate input and output circuits effectively.
2. Input and Output: The device usually consists of an LED input and a phototransistor output, allowing for signal transfer without direct electrical connection.
3. Compact Package: It comes in a compact DIP-4 package, which is suitable for space-constrained applications.
4. CTR (Current Transfer Ratio): It has a specified range of CTR, ensuring efficient signal transmission between the input and output sides.
5. Wide Operating Temperature Range: It operates effectively over a broad temperature range, typically from -30°C to 100°C, making it suitable for various environments.
6. Long Life and Reliability: Designed for high reliability and long operational life, it is ideal for industrial and consumer applications.
These features make the LTV-817S-TA1-B a versatile choice for applications requiring signal isolation and noise reduction.
Pinout
1. Pin 1 (Anode): This is the anode of the internal LED. A positive voltage applied here, relative to Pin 2, allows current to flow through the LED, which emits light.
2. Pin 2 (Cathode): The cathode of the internal LED. Connect this to the negative or ground reference in your circuit.
3. Pin 3 (Emitter): This is the emitter of the phototransistor. It is connected to the output circuit and typically goes to ground in the output side of the circuit.
4. Pin 4 (Collector): This is the collector of the phototransistor. It is connected to the output circuit and is where the output signal is taken from.
The optocoupler isolates the input from the output, allowing signals to pass without direct electrical connection, thereby protecting parts of the circuit from voltage spikes and noise.