# KIA78L06F-RTF

**KEC Semicon** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

KIA78L06F-RTF from KEC Semicon, 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 | OUTPUT | power_out | Regulated 6V output (5.76-6.24V typ. 6.0V at Tj=25°C); up to 150mA max output current, with 0.1µF output capacitor used in test circuit. |
| 2 | GND | power_in | Ground reference, also connected to the case/tab of the SOT-89 package. |
| 3 | INPUT | power_in | Unregulated input voltage, absolute maximum 35V for KIA78L06, with 0.33µF input capacitor used in test circuit. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KEC Semicon |
| Package | SOT-89-3 |
| 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 | VOUT | 5.76 | 6 | 6.24 | V | Tj=25 | 3 |
| Input Regulation | Reg line |  | 50 | 150 | mV | Tj=25, 8.1V≤VIN≤21V | 3 |
| Input Regulation | Reg line |  | 45 | 110 | mV | Tj=25, 9.0V≤VIN≤21V | 3 |
| Load Regulation | Reg load |  | 12 | 70 | mV | Tj=25, 1.0mA≤IOUT≤100mA | 3 |
| Load Regulation | Reg load |  | 5.5 | 35 | mV | Tj=25, 1.0mA≤IOUT≤40mA | 3 |
| Output Voltage | VOUT | 5.7 |  | 6.3 | V | 8.1V≤VIN≤21V, 1.0mA≤IOUT≤40mA | 3 |
| Quiescent Current | IB |  | 3.1 | 6 | mA | Tj=25 | 3 |
| Quiescent Current | IB |  |  | 5.5 | mA | Tj=125 | 3 |
| Quiescent Current Change | IB |  |  | 1.5 | mA | 9.0V≤VIN≤20V | 3 |
| Quiescent Current Change | IB |  |  | 0.1 | mA | 1.0mA≤IOUT≤40mA | 3 |
| Ripple Rejection Ratio | R·R | 39 | 47 |  | dB | f=120Hz, 9.0V≤VIN≤19V, Tj=25 | 3 |
| Output Noise Voltage | VNO |  | 40 |  | μVrms | Ta=25, 10Hz≤f≤100kHz | 3 |
| Long Term Stability | VOUT/ t |  | 14 |  | mV/ | 1.0kHrs | 3 |
| Dropout Voltage | /VIN-VOUT/ |  | 1.7 |  | V | Tj=25 | 3 |
| Average Temperature Coefficient of Output Voltage | TCVO |  | -0.7 |  | mV/ | IOUT=5mA | 3 |
| Input Voltage | VIN |  |  | 35 | V | KIA78L05~15 | 1 |
| Power Dissipation (SOT-89, F) | PD |  |  | 500 | mW | Ta=25℃ | 1 |
| Operating Junction Temperature | Tj | -30 |  | 150 | ℃ | Ta=25℃ | 1 |
| Operating Temperature | Topr | -40 |  | 85 | ℃ | Ta=25℃ | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ | Ta=25℃ | 1 |

## CAD (KiCad official)

- Symbol: `KIA78L06F-RTF`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `kia78l06f-rtf-etched.step` / `kia78l06f-rtf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kia78l06f-rtf.step` / `kia78l06f-rtf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KEC Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590224233486974976) (15 pp, sha256 `b3817aa781ca7c1e`, retrieved 2026-10-20, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/kia78l06f-rtf-datasheet.pdf)