ATL431AQDBZRG4 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
The ATL431AQDBZRG4 is a precision adjustable shunt voltage regulator with output range of 2.5V to 36V in a compact SOT-23 3-pin package. Features sharp turn-on characteristics with low reference voltage tolerance for accurate voltage regulation. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- ATL431AQDBZRG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ATL431AQDBZRG4?
- Adjustable output voltage from 2.5V to 36V set by two external resistors for flexible power supply feedback
- Precision shunt regulator with tight reference voltage accuracy enabling high-quality voltage regulation loops
- Ultra-compact SOT-23 3-pin package ideal for space-constrained PCB designs in portable and handheld equipment
- Low cathode current enabling stable regulation at low standby power conditions
What is ATL431AQDBZRG4 used for?
The ATL431AQDBZRG4 adjustable shunt regulator is widely used as the feedback reference in isolated and non-isolated switching power supplies, where it works with an optocoupler to regulate output voltage with high precision. It suits portable consumer electronics, telecom equipment, and industrial power supplies requiring a stable 2.5V to 36V reference over temperature. The device also serves as a precision voltage reference, overvoltage detection circuit, or general-purpose shunt regulator in battery management and linear regulator designs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ATL431AQDBZRG4 datasheet?
ATL431AQDBZRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ATL431AQDBZRG4?
Compatible alternatives and drop-in replacements for ATL431AQDBZRG4:
Frequently Asked Questions
Which designs are a good fit for ATL431AQDBZRG4 from Texas Instruments?
ATL431AQDBZRG4 fits embedded electronics, industrial controls, instrumentation, and production repair builds that need 431A. Engineers should also check 2.5V and the manufacturer datasheet before releasing the final PCB, module, or power tree.
How should engineers review assembly risk for ATL431AQDBZRG4?
Use the listed SOT23 (3-Pin) information together with 2.5V when checking PCB footprint, thermal clearance, solder process, and second-source constraints for at least 1 approved production build.
What should procurement confirm before ordering ATL431AQDBZRG4?
Confirm lifecycle status, traceability, and lot availability, then compare the required 36V against the approved BOM so sourcing does not substitute an incompatible part during 1 purchasing cycle.
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Why Buy from FindMyChip
About Texas Instruments
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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