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BCT2203EUK30-TR
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BROADCHIP Linear Voltage Regulators (LDO), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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BCT2203EUK30-TR
BROADCHIP · Linear Voltage Regulators (LDO) · SOT-23-5
BCT2203EUK30-TR from BROADCHIP, in a SOT-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 | VIN | power_in | Regulator input, up to 36V; at least a 1μF supply bypass capacitor is recommended. |
| 2 | GND | power_in | Ground. |
| 3 | NC | unconnected | No connect. |
| 4 | NC | unconnected | No connect. |
| 5 | VOUT | power_out | Regulated output; an output capacitor with effective capacitance in the range of 1μF to 10μF is recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BROADCHIP |
| Package | SOT-23-5 |
| Category | Power Supply Chip |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage | VIN | 2.7 | 36 | V | 6 | ||
| Output Voltage Accuracy | -2 | 2 | % | IOUT=1mA | 6 | ||
| Maximum Output Current | 150 | mA | 6 | ||||
| Dropout Voltage | VDROP | 1300 | mV | IOUT=150mA, VOUT ≥ 2.5V | 6 | ||
| Line Regulation | ΔVLNR | 0.005 | 0.012 | %/V | VIN = VOUT + 2V to 36V, IOUT = 1mA | 6 | |
| Load Regulation | ΔVLDR | 25 | mV | VIN = VOUT + 2V or 4V, IOUT = 1mA to 150mA | 6 | ||
| Power Supply Rejection Ratio | PSRR | 55 | dB | VOUT = 3.3V, IOUT = 10mA, f = 217Hz | 6 | ||
| Power Supply Rejection Ratio | PSRR | 40 | dB | VOUT = 3.3V, IOUT = 10mA, f = 1kHz | 6 | ||
| VIN to GND | VIN | -0.3 | 44 | V | 4 | ||
| VOUT to GND (VOUT ≤5.0V) | VOUT | -0.3 | 6 | V | VOUT ≤5.0V; upper limit printed as Min(VIN + 0.3V, 6V) | 4 | |
| Junction Temperature | TJ | 150 | ℃ | 4 | |||
| Storage Temperature Range | TSTG | -65 | 150 | ℃ | 4 | ||
| Operating Temperature Range | -40 | 85 | ℃ | 4 |
CAD (KiCad official)
- Symbol:
BCT2203EUK30-TR - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
bct2203euk30-tr-etched.step/bct2203euk30-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bct2203euk30-tr.step/bct2203euk30-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BROADCHIP datasheet (12 pp, sha256
24ec8e8e295c71c9, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# BCT2203EUK30-TR
**BROADCHIP** · Linear Voltage Regulators (LDO) · SOT-23-5
BCT2203EUK30-TR from BROADCHIP, in a SOT-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 | VIN | power_in | Regulator input, up to 36V; at least a 1μF supply bypass capacitor is recommended. |
| 2 | GND | power_in | Ground. |
| 3 | NC | unconnected | No connect. |
| 4 | NC | unconnected | No connect. |
| 5 | VOUT | power_out | Regulated output; an output capacitor with effective capacitance in the range of 1μF to 10μF is recommended. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BROADCHIP |
| Package | SOT-23-5 |
| Category | Power Supply Chip |
| Pins | 5 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage | VIN | 2.7 | | 36 | V | | 6 |
| Output Voltage Accuracy | | -2 | | 2 | % | IOUT=1mA | 6 |
| Maximum Output Current | | 150 | | | mA | | 6 |
| Dropout Voltage | VDROP | | | 1300 | mV | IOUT=150mA, VOUT ≥ 2.5V | 6 |
| Line Regulation | ΔVLNR | | 0.005 | 0.012 | %/V | VIN = VOUT + 2V to 36V, IOUT = 1mA | 6 |
| Load Regulation | ΔVLDR | | | 25 | mV | VIN = VOUT + 2V or 4V, IOUT = 1mA to 150mA | 6 |
| Power Supply Rejection Ratio | PSRR | 55 | | | dB | VOUT = 3.3V, IOUT = 10mA, f = 217Hz | 6 |
| Power Supply Rejection Ratio | PSRR | 40 | | | dB | VOUT = 3.3V, IOUT = 10mA, f = 1kHz | 6 |
| VIN to GND | VIN | -0.3 | | 44 | V | | 4 |
| VOUT to GND (VOUT ≤5.0V) | VOUT | -0.3 | | 6 | V | VOUT ≤5.0V; upper limit printed as Min(VIN + 0.3V, 6V) | 4 |
| Junction Temperature | TJ | | | 150 | ℃ | | 4 |
| Storage Temperature Range | TSTG | -65 | | 150 | ℃ | | 4 |
| Operating Temperature Range | | -40 | | 85 | ℃ | | 4 |
## CAD (KiCad official)
- Symbol: `BCT2203EUK30-TR`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `bct2203euk30-tr-etched.step` / `bct2203euk30-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bct2203euk30-tr.step` / `bct2203euk30-tr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BROADCHIP datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954112092618752) (12 pp, sha256 `24ec8e8e295c71c9`, retrieved 2026-10-18, tier: lcsc)
- **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/bct2203euk30-tr-datasheet.pdf)