component
QX2304L28TO
Public Made by Adomby adom
QX Micro Devices DC-DC Converters, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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QX2304L28TO
QX Micro Devices · DC-DC Converters · TO-92-3
QX2304L28TO from QX Micro Devices, in a TO-92-3. 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. |
| 2 | VOUT | input | Output voltage feedback input (max 7 V on VOUT), connected to the output capacitor and load. |
| 3 | LX | output | Drain of the internal power switch, connected to the inductor; max 7 V and 1000 mA absolute maximum, typical current limit 800 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | QX Micro Devices |
| Package | TO-92-3 |
| 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 | ||
| Start-up voltage | VSTART | 0.8 | V | ILOAD =1mA, VIN rising from 0V to 2V | 6 | ||
| Standby input current | IINQ | 1 | uA | No load, EN low | 6 | ||
| Maximum voltage at VOUT and LX | VMAX | 7 | V | VOUT and LX pins | 5 | ||
| Maximum LX current | ILX_MAX | 1000 | mA | LX pin | 5 | ||
| Maximum power dissipation TO92 | PTO92 | 0.75 | W | TO92 package | 5 | ||
| Operating temperature range | TA | -20 | 85 | °C | 5 | ||
| Storage temperature range | TSTG | -40 | 120 | °C | 5 | ||
| Soldering temperature TO92 | TSD2 | 250 | 260 | °C | TO92 package, time less than 5 s | 5 | |
| ESD HBM | VHBM | 2000 | V | HBM | 5 | ||
| 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 voltage +0.5V | 6 | ||
| Maximum oscillation frequency | FMAX | 300 | KHz | 6 | |||
| Oscillator duty cycle | DCOSC | 83 | % | 6 |
CAD (KiCad official)
- Symbol:
QX2304L28TO - Footprint:
Package_TO_SOT_THT:TO-92_Inline - 3D model: TO-92-3 (KiCad packages3D, STEP)
- 3D model files:
qx2304l28to-etched.step/qx2304l28to-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);qx2304l28to.step/qx2304l28to.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: QX Micro Devices datasheet (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, primaryclaude-sonnet-5-5(text), consensusclaude-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).
# QX2304L28TO
**QX Micro Devices** · DC-DC Converters · TO-92-3
QX2304L28TO from QX Micro Devices, in a TO-92-3. 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. |
| 2 | VOUT | input | Output voltage feedback input (max 7 V on VOUT), connected to the output capacitor and load. |
| 3 | LX | output | Drain of the internal power switch, connected to the inductor; max 7 V and 1000 mA absolute maximum, typical current limit 800 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | QX Micro Devices |
| Package | TO-92-3 |
| 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 |
| Start-up voltage | VSTART | | | 0.8 | V | ILOAD =1mA, VIN rising from 0V to 2V | 6 |
| Standby input current | IINQ | | | 1 | uA | No load, EN low | 6 |
| Maximum voltage at VOUT and LX | VMAX | | | 7 | V | VOUT and LX pins | 5 |
| Maximum LX current | ILX_MAX | | | 1000 | mA | LX pin | 5 |
| Maximum power dissipation TO92 | PTO92 | | | 0.75 | W | TO92 package | 5 |
| Operating temperature range | TA | -20 | | 85 | °C | | 5 |
| Storage temperature range | TSTG | -40 | | 120 | °C | | 5 |
| Soldering temperature TO92 | TSD2 | 250 | | 260 | °C | TO92 package, time less than 5 s | 5 |
| ESD HBM | VHBM | | | 2000 | V | HBM | 5 |
| 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 voltage +0.5V | 6 |
| Maximum oscillation frequency | FMAX | | 300 | | KHz | | 6 |
| Oscillator duty cycle | DCOSC | | 83 | | % | | 6 |
## CAD (KiCad official)
- Symbol: `QX2304L28TO`
- Footprint: `Package_TO_SOT_THT:TO-92_Inline`
- 3D model: TO-92-3 (KiCad packages3D, STEP)
- 3D model files: `qx2304l28to-etched.step` / `qx2304l28to-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `qx2304l28to.step` / `qx2304l28to.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [QX Micro Devices datasheet](docs/qx2304l28to-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/qx2304l28to-datasheet.pdf)