# CL9193A18L3M

**CHIPLINK(芯联)** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3L

CL9193A18L3M from CHIPLINK(芯联), in a SOT-23-3L. 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 reference pin for the regulator. |
| 2 | VOUT | power_out | Regulated output; the datasheet specifies output voltages from 1.2V to 3.6V and output current up to 300mA. |
| 3 | VIN | power_in | Power supply input; the electrical characteristics specify VIN up to 5.5V, and the absolute maximum input voltage is 7V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | CHIPLINK(芯联) |
| Package | SOT-23-3L |
| Category | Power Management (PMIC) |
| 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 (effective, relative to VOUT(T)) | VOUT(E) | 0.98 |  | 1.02 | V | IOUT=40mA, VIN=Vout+1V | 5 |
| Input Voltage | VIN |  |  | 5.5 | V |  | 5 |
| EN starting voltage | VCE_ON | 1.1 |  |  | V |  | 5 |
| EN off voltage | VCE_OFF |  |  | 0.4 | V |  | 5 |
| Load Regulation | ΔVOUT |  |  | 50 | mV | VIN=Vout+1V, 1mA≤IOUT≤100mA | 5 |
| Dropout Voltage | Vdif1 |  |  | 90 | mV | IOUT =100mA | 5 |
| Dropout Voltage | Vdif2 |  |  | 230 | mV | IOUT =200mA | 5 |
| Shunt-down Current | ICEL |  |  | 1 | μA | Vce=0V | 5 |
| Line Regulation | ΔVOUT/(ΔVIN•VOUT) |  |  | 0.05 | %/V | IOUT =40mA, Vout+1V ≤VIN≤8V | 5 |
| Output Noise Voltage | en |  |  | 50 | uVrms | IOUT =40mA, 300Hz~50kHz | 5 |
| Input Voltage (absolute maximum) | VIN |  |  | 7 | V |  | 3 |
| Output Current (absolute maximum) | Iout |  |  | 450 | mA |  | 3 |
| Operating Temperature | TOpr | -40 |  | 85 | ℃ |  | 3 |
| Storage Temperature | Tstg | -55 |  | 125 | ℃ |  | 3 |
| Lead Temperature (soldering) | Tsolder |  |  | 260 | ℃ | 10 s | 3 |
| Power Dissipation | Pd |  |  | 250 | mW | SOT-23-3L package | 3 |
| Output Current (maximum) | IOUT(max) |  | 300 |  | mA | VIN=Vout+1V | 5 |
| Stand-by Current | ISS |  | 70 |  | μA | VIN=Vout+1V | 5 |
| Power Supply Rejection Ratio | PSRR |  | 70 |  | dB | Vin=[Vout+1]V +1Vp-pAC, IOUT =40mA, f=1kHz | 5 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | ppa |  | body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus | 9 |

## CAD (KiCad official)

- Symbol: `CL9193A18L3M`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `cl9193a18l3m-etched.step` / `cl9193a18l3m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cl9193a18l3m.step` / `cl9193a18l3m.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [CHIPLINK(芯联) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603127891282706432) (9 pp, sha256 `44a489707df24fae`, retrieved 2026-10-17, 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/cl9193a18l3m-datasheet.pdf)