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TL431BQDBZR,215
V-Ref Adjustable 2.495V to 36V 100mA Automotive 3-Pin SOT-23 T/R
TL431BQDBZR,215
V-Ref Adjustable 2.495V to 36V 100mA Automotive 3-Pin SOT-23 T/R
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TL431BQDBZR,215 DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 5 | $0.127 | $0.64 |
| 50 | $0.103 | $5.15 |
| 150 | $0.091 | $13.65 |
| 500 | $0.083 | $41.50 |
| 3000 | $0.076 | $228.00 |
| 6000 | $0.072 | $432.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
Designed for precision voltage regulation, the TL431BQDBZR,215 from Texas Instruments is a top-tier adjustable shunt regulator IC with a reference voltage of 2.495V. Offering a ±1% output voltage tolerance, this IC ensures stable and accurate voltage output, making it an ideal choice for critical electronic circuits that require reliable performance. With a low dynamic impedance, the TL431BQDBZR,215 can effectively regulate voltage across a wide range of operating conditions, delivering consistent results. Its compact SOT-23 package facilitates compact designs and efficient PCB layouts, catering to applications where space is limited. Additionally, the IC's wide operating temperature range, low output noise, and high reliability make it a dependable solution for power supplies, voltage references, battery chargers, and other applications that demand precise voltage regulation
Key Features
- This is a precision voltage reference with low noise and high stability.
- The device has a high degree of thermal stability, making it ideal for applications that require accuracy over a wide temperature range.
- It also offers low power consumption for reduced heat generation.
Application
- Shunt regulator
- Current limiter
- Isolated feedback SMPS
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Active | Part Package Code | TO-236 |
| Pin Count ! | 3 | Reach Compliance Code | compliant |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE | JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 | Length | 2.9 mm |
| Moisture Sensitivity Level | 1 | Number of Functions | 1 |
| Number of Outputs | 1 | Number of Terminals | 3 |
| Operating Temperature-Max | 125 °C | Operating Temperature-Min | -40 °C |
| Output Voltage-Max | 2.55 V | Output Voltage-Min | 2.483 V |
| Output Voltage-Nom | 2.495 V | Package Body Material | PLASTIC/EPOXY |
| Package Code | TSOP | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE | Peak Reflow Temperature (Cel) | 260 |
| Seated Height-Max | 1.1 mm | Supply Voltage-Max (Vsup) | 36 V |
| Supply Voltage-Min (Vsup) | 2.495 V | Surface Mount ! | YES |
| Temp Coef of Voltage-Max | 888 ppm/°C | Temperature Grade ! | AUTOMOTIVE |
| Terminal Finish | TIN | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 0.95 mm | Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | Trim/Adjustable Output | YES |
| Width | 1.3 mm | Product Status | Active |
| Reference Type ! | Shunt | Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V | Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA | Tolerance | ±0.5% |
| Current - Cathode | 600 µA | Operating Temperature ! | -40°C ~ 125°C (TA) |
| Grade | Automotive | Qualification | AEC-Q100 |
| Mounting Type | Surface Mount | Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | TO-236AB | Base Product Number | TL431 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TL431BQDBZR,215?
The TL431BQDBZR,215 is a precision shunt voltage reference adjustable from Vref= 2.495V to 36V. This reference has a typical output impedance of 0.2 ohms.
How Does TL431BQDBZR,215 Work?
The TL431BQDBZR,215 works by comparing a feedback voltage to a precise internal reference voltage, providing a stable output voltage. It is commonly used in feedback loops for controlling power supplies, amplifiers, and other electronic systems.
How Many Pins does TL431BQDBZR,215 have and What are the Functions of the Pinout Configuration?
The TL431BQDBZR,215 is housed in a SOT-23-3 package. The pinout configuration includes:
- REF: Reference voltage output pin.
- K: Cathode pin connected to the load or ground.
- Anode: Anode pin connected to the power supply or input voltage.
What are the Pros and Cons of TL431BQDBZR,215?
Pros:
- Precision: Provides a precise reference voltage for use in various electronic circuits.
- Adjustable: Offers adjustable output voltage for flexibility in different applications.
- Low Output Impedance: Features low output impedance for improved stability in voltage regulation.
- Small Package: The SOT-23-3 package is compact and suitable for space-constrained designs.
Cons:
- External Components: May require additional resistors and capacitors for specific applications.
- Voltage Drop: The TL431BQDBZR,215 introduces a small voltage drop in the circuit.
Are There Any Equivalents/Alternatives to TL431BQDBZR,215 for Recommendation?
- The LM4040 from Texas Instruments is a precision voltage reference with similar characteristics.
- Alternatives to the TL431BQDBZR,215 include the ADR3412 from Analog Devices and the MAX6003 from Maxim Integrated.
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