LN2115B025MR-G

@@ -0,0 +1,47 @@+# LN2115B025MR-G++**NATLINEAR** · LED Drivers · SOT-23-6L++LN2115B025MR-G from NATLINEAR, in a SOT-23-6L. 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 | LX | output | Internal power NMOS switch drain; connect to the boost inductor and Schottky diode. Rated up to 29 V with respect to VSS; typical on-resistance 1.5 Ohm; peak switch current limit ~800 mA (VIN=3.6 V). |+| 2 | GND | power_in | Device ground (VSS) reference return for all internal circuitry. |+| 3 | FB | input | Voltage feedback input to the internal error amplifier. Regulated to a 0.25 V (0.24-0.26 V) reference; LED current is set by ILED = 0.25 V / RLED where RLED sits between the LED cathode string and GND. |+| 4 | CE | input | Chip enable / PWM dimming input. Logic high (VCEH >= 1 V) enables the converter at full brightness; logic low (VCEL <= 0.6 V) puts the part in standby (<= 1 uA). Applying a PWM signal (up to 100 kHz) sets the effective FB reference as VFB = Duty x 250 mV for dimming down to ~5%. |+| 5 | OVP | input | Overvoltage protection sense input; connect to VOUT. Trips at typically 22.5 V (20-25 V) to shut down switching and protect the LX node/output cap; absolute maximum 29 V. |+| 6 | VIN | power_in | Supply input. Operating range 2.5 V to 6 V (absolute max 7 V). Bypass locally with a 1 uF ceramic capacitor close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | NATLINEAR |+| Package | SOT-23-6L |+| Category | LED-drv |+| Pins | 6 |++## Ordering variants++- `LN2115B025MR-G`+- `LN2115B025MR-GB025ML-G`++## CAD (KiCad official)++- Symbol: `LN2115B025MR-G`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6L (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [NATLINEAR datasheet](docs/ln2115b025mr-g-datasheet.pdf) (6 pp, sha256 `c5f54232e530755b`, retrieved 2026-08-17, tier: lcsc)+- **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/ln2115b025mr-g-datasheet.pdf)

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