ATL431AIDBZR

@@ -0,0 +1,47 @@+# ATL431AIDBZR++**Texas Instruments** · Voltage Reference · SOT-23++ATL431AIDBZR from Texas Instruments, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | CATHODE | passive | Shunt current/voltage input (K). Sinks the shunt current when Vref threshold is exceeded; withstands up to 40 V max and 150 mA continuous (recommended 0.035 mA to 100 mA). Typically pulled up through a series resistor from the supply being regulated. |+| 2 | REF | input | Reference input; threshold relative to the common ANODE. Internal bandgap forces the shunt to conduct when V(REF-ANODE) exceeds Vref (typ. 2.500 V). Iref typ. 150 nA, allowed range −0.05 to 10 mA. |+| 3 | ANODE | passive | Common pin (A), normally connected to ground. All voltages are referenced to ANODE. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `ATL431AIDBZR`+- `ATL431AIDBZRIDBZT`+- `ATL431AIDBZRBIDBZR`+- `ATL431AIDBZRAQDBZR`+- `ATL431AIDBZRBQDBZR`++## CAD (KiCad official)++- Symbol: `ATL431AIDBZR`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/atl431aidbzr.pdf) (31 pp, sha256 `ef107d8a8d5c2bab`, retrieved 2026-08-17, tier: manufacturer)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/atl431aidbzr-datasheet.pdf)

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