component
78L10G-AB3-R
Public Made by Adomby adom
UTC(Unisonic Tech) Linear Voltage Regulators (LDO), SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdown78L10G-AB3-R
UTC(Unisonic Tech) · Linear Voltage Regulators (LDO) · SOT-89
78L10G-AB3-R from UTC(Unisonic Tech), in a SOT-89. 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 of the 78L10 regulator, rated up to 100mA output current. |
| 2 | GND | power_in | Ground reference pin for the regulator, shared by input and output circuits. |
| 3 | INPUT | power_in | Unregulated input supply, with absolute maximum input voltage of 35V for VOUT=10~18V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC(Unisonic Tech) |
| Package | SOT-89 |
| Category | Power Management ICs |
| 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 | 9.6 | 10 | 10.4 | V | TJ=25°C | 4 |
| Output Voltage | VOUT | 9.5 | 10.5 | V | 12.5V≤VIN≤25V, IOUT=1mA-40mA | 4 | |
| Load Regulation | ΔVOUT | 20 | 90 | mV | TJ=25°C, IOUT=1mA-100mA | 4 | |
| Load Regulation | ΔVOUT | 11 | 40 | mV | TJ=25°C, IOUT=1mA-40mA | 4 | |
| Line Regulation | ΔVOUT | 100 | 200 | mV | 12.5V≤VIN≤25V, TJ=25°C | 4 | |
| Line Regulation | ΔVOUT | 100 | 170 | mV | 14V≤VIN≤25V, TJ=25°C | 4 | |
| Quiescent Current | IQ | 2 | 6 | mA | VIN=17V, IOUT=0mA, TJ=25°C | 4 | |
| Quiescent Current Change | ΔIQ | 1.5 | mA | 12.5V≤VIN≤25V | 4 | ||
| Quiescent Current Change | ΔIQ | 0.1 | mA | 1mA≤VIN≤40mA | 4 | ||
| Output Noise Voltage | eN | 74 | μV | 10Hz≤f≤100kHz | 4 | ||
| Temperature coefficient of VOUT | VO/T | -0.8 | mV/C | IOUT=5mA | 4 | ||
| Ripple Rejection | RR | 38 | 43 | dB | 15V≤VIN≤25V, f=120Hz, TJ=25°C | 4 | |
| Dropout Voltage | VD | 1.7 | V | TJ=25°C | 4 | ||
| Input Voltage (VOUT=10~18V) | VIN | 35 | V | VOUT=10~18V | 3 | ||
| Output Current | IOUT | 100 | mA | 3 | |||
| Power Dissipation (SOT-89) | PD | 350 | mW | SOT-89 | 3 | ||
| Junction Temperature | TJ | 150 | °C | 3 | |||
| Operating Temperature | TOPR | -40 | 85 | °C | 3 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 3 |
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 |
|---|---|---|---|---|
| contacts | copper | Note 1. The Maximum steady state usable output current is dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. | 5 |
CAD (KiCad official)
- Symbol:
78L10G-AB3-R - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
78l10g-ab3-r-etched.step/78l10g-ab3-r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);78l10g-ab3-r.step/78l10g-ab3-r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UTC(Unisonic Tech) datasheet (8 pp, sha256
019cf0ff8e450efc, retrieved 2026-11-04, tier: manufacturer) - 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).