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Texas Instruments TL431CDR
- Part No.:
- TL431CDR
- Manufacturer:
- Texas Instruments
- Package:
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet:
-
TL431CDR.pdf
- Description:
- IC VREF SHUNT ADJ 2.2% 8SOIC
- In Stock:
- 3361
- Quantity:
- Add To Cart
- For more detailed including pricing and shipping
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TL431CDR Specifications
- Packaging:Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
- Series:-
- ProductStatus:Active
- ReferenceType:Shunt
- OutputType:Adjustable
- Voltage-Output(Min/Fixed):2.495V
- Voltage-Output(Max):36 V
- Current-Output:100 mA
- Tolerance:±2.2%
- TemperatureCoefficient:-
- Noise-01Hzto10Hz:-
- Noise-10Hzto10kHz:-
- Voltage-Input:-
- Current-Supply:-
- Current-Cathode:1 mA
- OperatingTemperature:0°C ~ 70°C (TA)
- MountingType:Surface Mount
TL431CDR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TL431CDR 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 TL431CDR 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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TL431CDR information
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TL431CDR Typical application Circuitry
The TL431CDR is a programmable precision shunt voltage reference, widely used in power supply circuits as a voltage regulator or reference. It acts similarly to a Zener diode but offers better stability and precision. Its key features include:
1. Adjustable Output Voltage: This feature allows for flexibility in a range of applications, often from 2.5V to 36V.
2. Low Dynamic Output Impedance: Ensures stable voltage reference under different load conditions.
3. Temperature Stability: Offers stable performance across a wide temperature range.
4. Wide Operating Current Range: Can handle a broad range of currents, making it versatile for different circuit designs.
An application scenario for the TL431CDR is in a Switching Power Supply Feedback Circuit:
- Objective: To use the TL431CDR as part of a feedback mechanism in a switching power supply to regulate output voltage.
1. Setting Reference Voltage: Connect the REF pin (Pin 2) of the TL431CDR to the output voltage of the power supply through a voltage divider (resistors R1 and R2).
2. Connecting to Output: Attach the anode (A, Pin 1) of the TL431CDR to the ground of the circuit.
3. Feedback to Control Circuit: Link the cathode (K, Pin 3) to the feedback input of the power supply control circuit. This pin senses the output voltage and adjusts the switching behavior to maintain a stable output.
4. Adjusting the Voltage Divider: Set the values of R1 and R2 to adjust the voltage at which the TL431CDR regulates, based on the formula: Vout = Vref * (1 + R2/R1).
5. Stability Capacitors: Add capacitors near the REF pin of the TL431CDR and across the voltage divider to filter noise and improve stability.
Design considerations when using the TL431CDR include:
- Accuracy of Resistors: Use precision resistors for R1 and R2 to ensure the accuracy of the output voltage setting.
- Thermal Considerations: Take into account the temperature coefficient of the TL431CDR and the resistors in the voltage divider.
- Noise Reduction: Implement strategies to minimize noise in the feedback loop, crucial for maintaining stable operation.
- Load Variations: Ensure that the circuit can handle changes in load without affecting the stability of the output voltage.
In summary, the TL431CDR is a versatile and precise shunt voltage reference, ideal for applications like switching power supply feedback circuits where stable and adjustable voltage regulation is required. Key design considerations include the precision of resistors, thermal stability, noise reduction, and load regulation.
TL431CDR FAQ
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2. How does icwhale.com guarantee that TL431CDR is from the original manufacturer or authorized agents?
We have a professional and experienced quality control team to strictly verify and test the TL431CDR. All suppliers must pass our qualification reviews before they can publish their products including TL431CDR on icwhale.com; we pay more attention to the channels and quality of TL431CDR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the TL431CDR price and inventory displayed accurate?
The price and inventory of TL431CDR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?
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5. How is the shipping arranged?
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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of TL431CDR?
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 TL431CDR we delivered, we will accept the replacement or return of the TL431CDR 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 TL431CDR.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as TL431CDR pin diagram, TL431CDR datasheet?
If you need any after-sales service, please do not hesitate to contact us.
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