# LT1054CDW

**Texas Instruments** · Global Sourcing Parts · SOIC-16-300mil

LT1054CDW from Texas Instruments, in a SOIC-16-300mil. 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 | NC | unconnected | No internal connection |
| 2 | NC | unconnected | No internal connection |
| 3 | FB/SD | input | Shutdown for low Iq operation or error amplifier input for regulation |
| 4 | CAP+ | passive | Positive terminal of the external charge-storage capacitor CIN |
| 5 | GND | power_in | Ground, 0 V reference |
| 6 | CAP- | passive | Negative terminal of the external charge-storage capacitor CIN |
| 7 | NC | unconnected | No internal connection |
| 8 | NC | unconnected | No internal connection |
| 9 | NC | unconnected | No internal connection |
| 10 | NC | unconnected | No internal connection |
| 11 | VOUT | output | Regulated output voltage |
| 12 | VREF | power_in | Internal reference voltage output |
| 13 | OSC | input | Oscillator control pin with internal frequency of 25 kHz |
| 14 | VCC | power_in | Supply voltage input with operating range of 3.5 V to 15 V |
| 15 | NC | unconnected | No internal connection |
| 16 | NC | unconnected | No internal connection |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16-300mil |
| Category | Global Sourcing Parts |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `LT1054CDW`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
- 3D model files: `lt1054cdw-etched.step` / `lt1054cdw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lt1054cdw.step` / `lt1054cdw.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lt1054) (36 pp, sha256 `cb7fc2ff583618ff`, retrieved 2026-10-06, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/lt1054cdw-datasheet.pdf)