# LM2587SX-ADJ-TP

**TECH PUBLIC** · DC-DC Converters · TO-263-5

LM2587SX-ADJ-TP from TECH PUBLIC, in a TO-263-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Comp | passive | Compensation pin for the error amplifier; absolute maximum voltage is -0.4V to 2.4V. |
| 2 | Feedback | input | Adjust/feedback pin with 1.230V typical reference voltage (1.208V to 1.525V); absolute maximum is -0.4V to 2 VOUT. |
| 3 | GND | power_in | Ground pin. |
| 4 | Switching | output | Collector of the internal 5A, 65V NPN switch; continuous switch voltage range is -0.4V to 65V. |
| 5 | VIN | power_in | Input supply voltage pin, operating range 4V to 40V, absolute maximum -0.4V to 45V. |
| 6 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | TO-263-5 |
| Category | Power Management (PMIC) |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `LM2587SX-ADJ-TP`
- Footprint: `Package_TO_SOT_SMD:TO-263-5_TabPin6`
- 3D model: TO-263-5 (KiCad packages3D, STEP)
- 3D model files: `lm2587sx-adj-tp-etched.step` / `lm2587sx-adj-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2587sx-adj-tp.step` / `lm2587sx-adj-tp.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [TECH PUBLIC datasheet](docs/lm2587sx-adj-tp-datasheet.pdf) (8 pp, sha256 `3cd95584d2aafcab`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/lm2587sx-adj-tp-datasheet.pdf)