# LM78L10F

**HTC Korea TAEJIN Tech** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

LM78L10F from HTC Korea TAEJIN Tech, 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 | VOUT | power_out | Regulated 10V output of the LM78L10, rated for output current up to 100mA per the datasheet. |
| 2 | GND | power_in | Ground reference pin for the regulator; the datasheet gives no separate electrical limit for this pin. |
| 3 | VIN | power_in | Unregulated input for the LM78L10, with a recommended input range of 12.5V to 25V and an absolute maximum input voltage of 30V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HTC Korea TAEJIN Tech |
| 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 (over temperature) | VOUT | 9.5 | 10 | 10.5 | V | -30°C ~ 125°C; 1mA ≤ Io ≤ 70mA; 13V ≤ VIN ≤ 25V | 7 |
| Line Regulation | ΔVLINE |  | 51 | 175 | mV | 13V ≤ VIN ≤ 25V | 7 |
| Line Regulation (25°C) | ΔVLINE |  | 42 | 125 | mV | 25°C; 14V ≤ VIN ≤ 25V | 7 |
| Load Regulation | ΔVLOAD |  | 20 | 90 | mV | 1mA ≤ Io ≤ 100mA | 7 |
| Load Regulation (25°C) | ΔVLOAD |  | 11 | 40 | mV | 25°C; 1mA ≤ Io ≤ 40mA | 7 |
| Bias Current (25°C) | IB |  | 4.2 | 6 | mA | 25°C | 7 |
| Bias Current (125°C) | IB |  |  | 5.5 | mA | 125°C | 7 |
| Bias Current Change (line) | ΔIB |  |  | 1.5 | mA | 14V ≤ VIN ≤ 25V | 7 |
| Bias Current Change (load) | ΔIB |  |  | 0.1 | mA | -30°C ~ 125°C; 1mA ≤ Io ≤ 40mA | 7 |
| Ripple Rejection | RR |  | 37 | 44 | dB | 15V ≤ VIN ≤ 25V, f=120Hz, 25°C | 7 |
| Dropout Voltage | VD |  | 1.7 |  | V | 25°C | 7 |
| Output Noise Voltage | VN |  | 62 |  | uV | 10Hz ≤ f ≤ 100kHz, 25°C | 7 |
| Input Voltage | VIN | 12.5 |  | 25 | V | LM78L10 | 2 |
| Output Current | Io | 100 |  | 100 | mA |  | 2 |
| Operating Virtual Junction Temperature | TJ | -40 |  | 125 | °C |  | 2 |
| Input Voltage | VIN |  |  | 30 | V | LM78L05 ~ LM78L10 | 1 |
| Lead Temperature (Soldering, 10 sec) | TSOL |  |  | 260 | °C | 10 sec soldering | 1 |
| Storage Temperature Range | TSTG | -65 |  | 150 | °C |  | 1 |
| Operating Junction Temperature Range | TJOPR | -40 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `LM78L10F`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `lm78l10f-etched.step` / `lm78l10f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm78l10f.step` / `lm78l10f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HTC Korea TAEJIN Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183373073362944) (11 pp, sha256 `b5b1ed6d19d1619d`, retrieved 2026-10-09, 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/lm78l10f-datasheet.pdf)