# TPS79930DDCT

**Texas Instruments** · Linear Voltage Regulators (LDO) · TSOT-23-5

TPS79930DDCT from Texas Instruments, in a TSOT-23-5. 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 | IN | power_in | Input supply pin; VIN must be between 2.7 V and 6.5 V, and the minimum is VOUT + VDO or 2.7 V, whichever is greater. |
| 2 | GND | power_in | Ground pin, which must be tied to the system ground. |
| 3 | EN | input | Driving EN high turns on the regulator, driving it low puts the regulator into shutdown mode, and EN can be connected to IN if not used. |
| 4 | NR | passive | Fixed-voltage versions only; an external noise-reduction capacitor on this pin bypasses noise generated by the internal band gap and reduces output noise to very low levels. |
| 5 | OUT | power_out | Regulator output, which requires a small ceramic capacitor with total typical capacitance of at least 2 µF from this pin to ground for stability. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSOT-23-5 |
| Category | Power Supply Chip |
| Pins | 5 |

## CAD (KiCad official)

- Symbol: `TPS79930DDCT`
- Footprint: `Package_TO_SOT_SMD:TSOT-23-5`
- 3D model: TSOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `tps79930ddct-etched.step` / `tps79930ddct-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps79930ddct.step` / `tps79930ddct.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/tps799) (49 pp, sha256 `c8a9038c1b38653a`, retrieved 2026-10-10, 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:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/tps79930ddct-datasheet.pdf)