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Name: TLP291(BL-TP,SE
Brand: Toshiba Semiconductor and Storage
SKU: TLP291(BL-TP,SE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Toshiba Semiconductor and Storage TLP291(BL-TP,SE

Part No.:: TLP291(BL-TP,SE

Manufacturer:: Toshiba Semiconductor and Storage

Package:: 4-SOIC (0.179, 4.55mm Width)

Datasheet:: TLP291(BL-TP,SE.pdf

Description:: OPTOISOLATOR 3.75KV TRANS 4-SO

In Stock:: 3774

Quantity:: Add To Cart

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TLP291(BL-TP,SE Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofChannels:
1
Voltage-Isolation:
3750Vrms
CurrentTransferRatio(Min):
200% @ 5mA
CurrentTransferRatio(Max):
600% @ 5mA
TurnOn/TurnOffTime(Typ):
3µs, 3µs
Rise/FallTime(Typ):
2µs, 3µs
InputType:
DC
OutputType:
Transistor
Voltage-Output(Max):
80V
Current-Output/Channel:
50mA
Voltage-Forward(Vf)(Typ):
1.25V
Current-DCForward(If)(Max):
50 mA
VceSaturation(Max):
300mV
OperatingTemperature:
-55°C ~ 110°C
MountingType:
Surface Mount

TLP291(BL-TP,SE this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TLP291(BL-TP,SE price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for TLP291(BL-TP,SE to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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TLP291(BL-TP,SE information

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TLP291(BL-TP,SE Typical application Circuitry

The TLP291(BL-TP,SE serves as an optocoupler, a device used to transmit electrical signals between two isolated circuits using light. It's particularly useful in applications requiring electrical isolation, such as microcontroller interfaces, signal isolation, and power supply circuits. The TLP291(BL-TP,SE exhibits several distinctive features:

1. High Electrical Isolation: The TLP291(BL-TP,SE provides a high isolation voltage, usually around 3750Vrms, crucial for protecting sensitive electronics from high-voltage spikes.

2. Forward Current and Voltage Ratings: This optocoupler typically works with a forward current of about 50mA and a maximum collector-emitter voltage of around 80V.

3. Current Transfer Ratio (CTR): The TLP291(BL-TP,SE offers a CTR range typically between 50-600% at IF=5mA, showcasing its efficiency in transferring signals across the isolation barrier.

4. Compact Design: The device comes in a small SO4 package, ideal for space-constrained applications.

A practical application of the TLP291(BL-TP,SE is in an Isolated Switching Power Supply Circuit:

- Power Supply Isolation: Utilize the TLP291(BL-TP,SE to isolate control signals in a switching power supply.

1. Controller Interface: Connect the output of a control IC to pin 1 (anode) of the TLP291(BL-TP,SE. Pin 2 (cathode) should be connected to the ground. This allows control signals to pass through the optocoupler.

2. Input Signal Current Limiting: Place a resistor in series with pin 1 to limit the current through the TLP291(BL-TP,SE's internal LED, ensuring it matches the controller's output characteristics.

3. Output Side Connection: Attach pin 3 (collector) of the TLP291(BL-TP,SE to a voltage source appropriate for the switching transistor. Pin 4 (emitter) connects to the gate of the switching transistor.

4. Gate Resistor: Implement a resistor between pin 4 and the switching transistor's gate to control the gate current and improve switching characteristics.

When designing circuits with the TLP291(BL-TP,SE, these aspects should be considered:

- Power Dissipation Limits: It's important to ensure the overall power dissipation stays within the rated limits of the TLP291(BL-TP,SE.

- Isolation Requirements: Adhere to necessary isolation distances to fully leverage the high isolation voltage of the TLP291(BL-TP,SE.

- Ambient Operating Conditions: The circuit should operate within the TLP291(BL-TP,SE's specified temperature range for reliable performance.

- Signal Timing: Take into account the response time of the TLP291(BL-TP,SE, particularly in high-speed switching applications.

In summary, the TLP291(BL-TP,SE is a versatile optocoupler ideal for applications requiring electrical isolation, such as in isolated power supply circuits. Key considerations in designing with the TLP291(BL-TP,SE include managing power dissipation, maintaining isolation, considering operating temperatures, and accounting for signal timing.

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6. What is the process for return or replacement of TLP291(BL-TP,SE?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TLP291(BL-TP,SE we delivered, we will accept the replacement or return of the TLP291(BL-TP,SE only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TLP291(BL-TP,SE.

(3)The PartNo is unused and only in the original unpacked packaging.

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