TL431ACLPE3 Texas Instruments Integrated Circuit (Other) In Stock
The TL431ACLPE3 is an adjustable precision shunt voltage regulator with output voltage programmable from 2.495V to 36V and up to 100mA output current in a TO-92 3-pin package. It delivers tight initial accuracy for stable voltage reference and regulation in power supply feedback loops. Available from stock worldwide at competitive prices.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- TL431ACLPE3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0497(MOQ 10)
- 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 high precision initial accuracy for flexible voltage reference and regulation in diverse power designs
- Up to 100mA shunt output current capability in a compact TO-92 3-pin package for simple through-hole integration in power supply circuits
- RoHS-compliant lead-free construction with JESD-609 Code e3, suitable for consumer, industrial, and green-energy regulated power applications
Applications
The TL431ACLPE3 is widely used as a precision voltage reference in switched-mode power supply feedback networks, linear regulator circuits, and battery charger voltage sensing systems. Its wide adjustable range from 2.495V to 36V makes it suitable for microcontroller reference voltage generation and optocoupler-based isolated feedback loops. The device also serves industrial instrumentation and LED driver circuits requiring a stable, accurate shunt reference.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | O-PBCY-T3 |
| JESD-609 Code | e3 |
| 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 | SIP3,.1,50 |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 36V |
| Supply Voltage-Min (Vsup) | 2.495V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 92ppm/°C |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1.27mm |
| Terminal Position | BOTTOM |
| Trim/Adjustable Output | YES |
| Voltage Tolerance-Max | 1% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL431ACLPE3:
Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3
Frequently Asked Questions
What is the output voltage range and maximum output current of the TL431ACLPE3?
The TL431ACLPE3 offers an adjustable output voltage range from 2.495V to 36V set by two external resistors. It supports a maximum output current of 100mA (0.1A), making it suitable for precision voltage reference and feedback regulation in power supply circuits handling moderate load currents.
What package does the TL431ACLPE3 use?
The TL431ACLPE3 is housed in a TO-92 3-pin through-hole package (JESD-30 Code O-PBCY-T3). This compact cylindrical package is standard for discrete semiconductor components, enabling easy hand soldering, prototyping, and low-cost PCB integration in power supply and reference circuits.
Is the TL431ACLPE3 RoHS compliant?
Yes, the TL431ACLPE3 carries a Pb-free code and JESD-609 Code e3, confirming it is manufactured with RoHS-compliant lead-free materials. This makes it suitable for use in products requiring compliance with European RoHS and similar international environmental regulations.
What are common applications for the TL431ACLPE3?
The TL431ACLPE3 is commonly used in SMPS feedback voltage dividers, linear regulator reference circuits, battery charger voltage sensing, LED driver bias networks, and isolated power supply optocoupler feedback paths. Its adjustable 2.495V to 36V range and 100mA drive capability make it a versatile building block across consumer, industrial, and telecommunications power designs.
How does the TL431ACLPE3 differ from standard fixed voltage references?
Unlike fixed voltage references that provide a single preset output, the TL431ACLPE3 allows the output voltage to be programmed anywhere from 2.495V to 36V using two external resistors. This flexibility eliminates the need for multiple fixed reference ICs in designs requiring different voltage setpoints, reducing BOM complexity and inventory costs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.6690 | $6.69 |
| 25+ | $0.6024 | $15.06 |
| 100+ | $0.5297 | $52.97 |
| 1000+ | $0.3664 | $366.40 |
| 3870+ | $0.0517 | $200.08 |
| 5035+ | $0.0497 | $250.24 |
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