component
AP3429AKTTR-TP
Public Made by Adomby adom
TECH PUBLIC DC-DC Converters, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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ap3429akttr-tp: laser-etched CAD + chip hero (factory 2.0.0 backfill)
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AP3429AKTTR-TP
TECH PUBLIC · DC-DC Converters · SOT-23-5
AP3429AKTTR-TP from TECH PUBLIC, 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 | EN | input | Enable input. Drive high (>=1.5 V) to turn the converter on, low (<=0.4 V) to shut it down. Pin has an internal ~1100 kΩ pull-down to GND. |
| 2 | GND | power_in | Power ground pin. Return for both the internal power MOSFETs and control circuitry. |
| 3 | SW | power_out | Switching node (also labeled LX on the pin diagram). Connect this pin to the external inductor; internal high-side and low-side MOSFETs switch this node between VIN and GND. |
| 4 | VIN | power_in | Power input pin, 2.7 V to 5.5 V. Bypass with a ceramic capacitor (10 µF typical) close to the pin. |
| 5 | FB | input | Output voltage feedback pin. Connect to the midpoint of an external resistor divider from VOUT to GND; internal reference is 0.6 V (0.591 V - 0.609 V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23-5 |
| Category | PMIC |
| Pins | 5 |
Ordering variants
Same part, different packaging or reel option.
AP3429AKTTR-TP
CAD (KiCad official)
- Symbol:
AP3429AKTTR-TP - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
ap3429akttr-tp-etched.step/ap3429akttr-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ap3429akttr-tp.step/ap3429akttr-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECH PUBLIC datasheet (5 pp, sha256
40c74d6292c6f140, 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).
# AP3429AKTTR-TP
**TECH PUBLIC** · DC-DC Converters · SOT-23-5
AP3429AKTTR-TP from TECH PUBLIC, 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 | EN | input | Enable input. Drive high (>=1.5 V) to turn the converter on, low (<=0.4 V) to shut it down. Pin has an internal ~1100 kΩ pull-down to GND. |
| 2 | GND | power_in | Power ground pin. Return for both the internal power MOSFETs and control circuitry. |
| 3 | SW | power_out | Switching node (also labeled LX on the pin diagram). Connect this pin to the external inductor; internal high-side and low-side MOSFETs switch this node between VIN and GND. |
| 4 | VIN | power_in | Power input pin, 2.7 V to 5.5 V. Bypass with a ceramic capacitor (10 µF typical) close to the pin. |
| 5 | FB | input | Output voltage feedback pin. Connect to the midpoint of an external resistor divider from VOUT to GND; internal reference is 0.6 V (0.591 V - 0.609 V). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23-5 |
| Category | PMIC |
| Pins | 5 |
## Ordering variants
Same part, different packaging or reel option.
- `AP3429AKTTR-TP`
## CAD (KiCad official)
- Symbol: `AP3429AKTTR-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `ap3429akttr-tp-etched.step` / `ap3429akttr-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ap3429akttr-tp.step` / `ap3429akttr-tp.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [TECH PUBLIC datasheet](docs/ap3429akttr-tp-datasheet.pdf) (5 pp, sha256 `40c74d6292c6f140`, 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/ap3429akttr-tp-datasheet.pdf)