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L78L10A
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UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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L78L10A
UMW · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOP-8
L78L10A from UMW, in a SOP-8. 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 10V output, up to 100mA maximum output current, with 0.1µF output capacitor recommended. |
| 2 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 3 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 4 | NC | unconnected | No connection. |
| 5 | NC | unconnected | No connection. |
| 6 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 7 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 8 | INPUT | power_in | Unregulated input voltage, absolute maximum 35V for 3.3 to 18V output versions, with 0.33µF input capacitor recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | SOP-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
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 (78LXXA, note 3), TJ=25°C | VO | 9.8 | 10 | 10.2 | V | TJ=25°C | 8 |
| Output voltage (78LXXA, note 3), line and load range | VO | 9.7 | 10.3 | V | 12.5V≤VI≤24V,IO=1mA~40mA | 8 | |
| Output voltage (78LXXA, note 3), full range | VO | 9.7 | 10.3 | V | 12.5V≤VI≤VMAX,IO=1mA~70mA | 8 | |
| Quiescent current | Iq | 5.5 | mA | 8 | |||
| Input voltage (for VO=3.3 to 18V) | VI | 35 | V | for VO=3.3 to 18V | 2 | ||
| Junction temperature range | TOPR | -20 | 120 | °C | 2 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 2 | ||
| Power dissipation (SOP-8) | Pd | 400 | mW | 2 |
CAD (KiCad official)
- Symbol:
L78L10A - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
l78l10a-etched.step/l78l10a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);l78l10a.step/l78l10a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (22 pp, sha256
3eeae843c9f51425, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).
# L78L10A
**UMW** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOP-8
L78L10A from UMW, in a SOP-8. 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 10V output, up to 100mA maximum output current, with 0.1µF output capacitor recommended. |
| 2 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 3 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 4 | NC | unconnected | No connection. |
| 5 | NC | unconnected | No connection. |
| 6 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 7 | GND | power_in | Ground pin, connected internally to the other GND pins. |
| 8 | INPUT | power_in | Unregulated input voltage, absolute maximum 35V for 3.3 to 18V output versions, with 0.33µF input capacitor recommended. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | SOP-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
## 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 (78LXXA, note 3), TJ=25°C | VO | 9.8 | 10 | 10.2 | V | TJ=25°C | 8 |
| Output voltage (78LXXA, note 3), line and load range | VO | 9.7 | | 10.3 | V | 12.5V≤VI≤24V,IO=1mA~40mA | 8 |
| Output voltage (78LXXA, note 3), full range | VO | 9.7 | | 10.3 | V | 12.5V≤VI≤VMAX,IO=1mA~70mA | 8 |
| Quiescent current | Iq | | | 5.5 | mA | | 8 |
| Input voltage (for VO=3.3 to 18V) | VI | | | 35 | V | for VO=3.3 to 18V | 2 |
| Junction temperature range | TOPR | -20 | | 120 | °C | | 2 |
| Storage temperature range | TSTG | -55 | | 150 | °C | | 2 |
| Power dissipation (SOP-8) | Pd | | | 400 | mW | | 2 |
## CAD (KiCad official)
- Symbol: `L78L10A`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `l78l10a-etched.step` / `l78l10a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l78l10a.step` / `l78l10a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755873380262526976) (22 pp, sha256 `3eeae843c9f51425`, retrieved 2026-10-18, 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/l78l10a-datasheet.pdf)