TL431ACDBZT Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
TL431ACDBZT is an adjustable precision shunt voltage regulator with output range 2.495V to 36V, 100mA output current, and tight 0.5% initial accuracy. Available in compact SOT-23 package. From $0.10 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- TL431ACDBZT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1048(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Adjustable output voltage from 2.495V to 36V with external resistors
- Tight initial accuracy of 0.5% for precision voltage reference applications
- 100mA maximum output current suitable for diverse load conditions
- Compact SOT-23 3-pin package ideal for space-constrained designs
- Two-terminal shunt regulator configuration simplifies circuit design
Applications
The TL431ACDBZT is widely used as a precision voltage reference and feedback element in switched-mode power supplies and linear regulators. It serves as a programmable shunt regulator in battery chargers, voltage monitoring circuits, and error amplifiers. Its adjustable output and high accuracy also make it suitable for industrial instrumentation and consumer electronics requiring stable voltage references.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.1A |
| Output Voltage-Max | 2.52V |
| Output Voltage-Min | 2.47V |
| Output Voltage-Nom | 2.495V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 92ppm/°C |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | YES |
| Voltage Tolerance-Max | 1% |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL431ACDBZT:
Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO3
Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO3
Frequently Asked Questions
What is the output voltage range of the TL431ACDBZT?
The TL431ACDBZT supports an adjustable output voltage range from 2.495V to 36V, set by two external resistors connected to the reference input. This flexibility makes it suitable for a wide variety of power supply and voltage reference designs.
What package does the TL431ACDBZT come in and what are its dimensions?
The TL431ACDBZT is packaged in a SOT-23 3-pin (R-PDSO-G3) surface-mount package, which is a compact footprint ideal for space-constrained PCB designs. It is RoHS compliant (Pb-free, JESD-609 e4 rated).
What are typical applications for the TL431ACDBZT?
The TL431ACDBZT is commonly used in switch-mode power supply feedback loops, precision voltage references, battery management systems, and error amplifiers. Its adjustable 2.495V to 36V output and 100mA current capability make it a versatile choice for industrial and consumer electronics.
Can the TL431ACDBZT replace other shunt regulators in my design?
Yes, the TL431ACDBZT is pin-compatible with many standard TL431 variants and can replace devices with equivalent voltage range and current ratings. Verify the initial accuracy class (A = 0.5%) and package type (SOT-23) match your design requirements before substitution.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1596 | $0.16 |
| 10+ | $0.1048 | $1.05 |
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