LDK320AM33R

@@ -0,0 +1,61 @@+# LDK320AM33R++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++LDK320AM33R from STMicroelectronics, in a SOT-23-5. 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 | IN | power_in | Input voltage of the LDO. Operating range 2.5 V to 18 V (abs max 20 V). Bypass to GND with a >=1 uF ceramic capacitor. |+| 2 | GND | power_in | Common ground reference. All voltages in the datasheet are referred to this pin. |+| 3 | EN | input | Enable logic input: low = shutdown (<0.4 V, IQ < 1 uA), high = active (>1.2 V). Input current ~0.1 nA typ. Absolute max -0.3 V to Vin+0.3 V. Do not leave floating. |+| 4 | NC | unconnected | Not connected on the fixed-output version (LDK320AM33R is the 3.3 V fixed variant). This pin serves as the ADJ feedback input only on the adjustable LDK320AM-R / LDK320M-R variants. |+| 5 | OUT | power_out | Regulated output voltage of the LDO (3.3 V nominal, ±0.5% @ 25 °C for the 'A' grade). Delivers up to 200 mA. Requires a 1 uF (up to 22 uF) ceramic output capacitor to GND for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `LDK320AM33RAM33R`+- `LDK320AM33RM33R`+- `LDK320AM33RAM30R`+- `LDK320AM33RM30R`+- `LDK320AM33RAM50R`+- `LDK320AM33RM50R`+- `LDK320AM33RAM25R`+- `LDK320AM33RAM18R`+- `LDK320AM33RAM15R`+- `LDK320AM33RAM12R`+- `LDK320AM33RAM36R`+- `LDK320AM33RAM120R`+- `LDK320AM33RAM-R`+- `LDK320AM33RM-R`+- `LDK320AM33RADU30R`+- `LDK320AM33RADU33R`+- `LDK320AM33RADU50R`+- `LDK320AM33RADU120R`++## CAD (KiCad official)++- Symbol: `LDK320AM33R`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/ldk320am33r.pdf) (26 pp, sha256 `2050e837e033dcbe`, retrieved 2026-08-17, tier: manufacturer)+- **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/ldk320am33r-datasheet.pdf)

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