# QX2304L36E

**QX Micro Devices** · DC-DC Converters · SOT-89-3

QX2304L36E from QX Micro Devices, in a SOT-89-3. 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 | GND | power_in | Ground pin of the QX2304 boost converter. |
| 2 | VOUT | input | Output voltage feedback input; maximum voltage on VOUT is 7 V. |
| 3 | LX | output | Drain of the internal power switch, connected to the inductor; maximum 7 V and 1000 mA on LX. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | QX Micro Devices |
| Package | SOT-89-3 |
| Category | Power Management ICs |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output voltage accuracy | ΔVOUT | -2.5 |  | 2.5 | % | VIN=2V, ILOAD=10mA | 6 |
| Current limit | ILIMIT | 600 | 800 | 1000 | mA |  | 6 |
| Efficiency | η | 90 | 95 |  | % |  | 6 |
| Standby input current | IINQ |  |  | 1 | uA | No load, EN low | 6 |
| Start-up voltage | VSTART |  |  | 0.8 | V | ILOAD=1mA, VIN rising from 0V to 2V | 6 |
| EN input low level |  |  |  | 0.2 | V |  | 6 |
| Hold voltage | VHOLD |  | 0.6 |  | V | ILOAD=1mA, VIN falling from 2V to 0V | 6 |
| No-load input current | IIN0 |  | 15 |  | uA | VIN=1.8V, VOUT=3.3V | 6 |
| VOUT input current | IOUT0 |  | 6 |  | uA | VOUT pin driven to normal VOUT+0.5V | 6 |
| Maximum oscillation frequency | FMAX |  | 300 |  | KHz |  | 6 |
| Oscillator duty cycle | DCOSC |  | 83 |  | % |  | 6 |
| Maximum voltage on VOUT and LX | VMAX |  |  | 7 | V |  | 5 |
| Maximum LX current | ILX_MAX |  |  | 1000 | mA |  | 5 |
| Maximum power dissipation SOT89-3 | PSOT89-3 |  |  | 0.5 | W | SOT89-3 package | 5 |
| Operating temperature range | TA | -20 |  | 85 | °C |  | 5 |
| Storage temperature range | TSTG | -40 |  | 120 | °C |  | 5 |
| Soldering temperature SOT89-3 | TSD1 | 230 |  | 240 | °C | SOT23, SOT23-5 and SOT89-3, time under 30 s | 5 |
| ESD HBM | VHBM |  |  | 2000 | V | HBM | 5 |

## CAD (KiCad official)

- Symbol: `QX2304L36E`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `qx2304l36e-etched.step` / `qx2304l36e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `qx2304l36e.step` / `qx2304l36e.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [QX Micro Devices datasheet](docs/qx2304l36e-datasheet.pdf) (14 pp, sha256 `d147751aef814a16`, retrieved 2026-10-22, 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-sonnet-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/qx2304l36e-datasheet.pdf)