HE9073A30M5R

@@ -0,0 +1,47 @@+# HE9073A30M5R++**HEERMICR** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++HE9073A30M5R from HEERMICR, 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 | VIN | power_in | Unregulated input supply. Operating range 2.0V to 7.0V (absolute max VSS-0.3 to +9.0V). Bypass with ≥4.7µF ceramic CIN to GND close to the pin. |+| 2 | GND | power_in | Device ground / reference return. Common ground for VIN, VOUT and CE. |+| 3 | CE | input | Chip Enable / ON-OFF logic input. VIH ≥ 1.2V enables the regulator; VIL ≤ 0.4V shuts it down (ISD ≤ 0.1µA). Absolute max VON/OFF = VSS-0.3 to VIN+0.3V. Do not leave floating; tie to VIN for always-on. |+| 4 | NC | unconnected | No internal connection. May be left floating or tied to GND for mechanical robustness. |+| 5 | VOUT | power_out | Regulated output, fixed 3.0V ±1% (HE9073A30 variant), up to 500mA continuous with 550mA current-limit. Requires ≥4.7µF ceramic COUT to GND for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HEERMICR |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `HE9073A30M5RM5R`+- `HE9073A30M5RMR`+- `HE9073A30M5RPR`+- `HE9073A30M5RD4R`++## CAD (KiCad official)++- Symbol: `HE9073A30M5R`+- 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:** [HEERMICR datasheet](docs/he9073a30m5r-datasheet.pdf) (12 pp, sha256 `27a01576a32d0f6f`, retrieved 2026-08-17, tier: lcsc)+- **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/he9073a30m5r-datasheet.pdf)

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