component
GN78M05A
Public Made by Adomby adom
GN Semic Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. 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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README
markdownGN78M05A
GN Semic · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252-2
GN78M05A from GN Semic, in a TO-252-2. 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 | IN | power_in | Unregulated input pin; the absolute maximum input voltage is 35 V (VI). |
| 2 | GND | power_in | Ground pin; the datasheet gives no further functional description for this pin. |
| 3 | OUT | power_out | Regulated 5 V output, rated for up to 0.5 A maximum output current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GN Semic |
| Package | TO-252-2 |
| 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 | VO | 4.9 | 5 | 5.1 | V | TJ=25℃ | 2 |
| Output Voltage | VO | 4.8 | 5 | 5.2 | V | Vi=7V-20V Io=5mA~350mA | 2 |
| Load Regulation | ΔVo | 100 | mV | Io=5mA-500mA TJ=25℃ | 2 | ||
| Load Regulation | ΔVo | 50 | mV | Io=5mA~200mA TJ=25℃ | 2 | ||
| Line Regulation | ΔVo | 100 | mV | Vi=7V~25V TJ=25℃ | 2 | ||
| Line Regulation | ΔVo | 50 | mV | Vi=8V~25V TJ=25℃ | 2 | ||
| Ripple Rejection | RR | 62 | dB | Vi=8V~18V f=120Hz | 2 | ||
| Quiescent Current | IQ | 6 | mA | TJ=25℃ | 2 | ||
| Quiescent Current Change | ΔIQ | 0.8 | mA | Vi=8V~25V | 2 | ||
| Quiescent Current Change | ΔIQ | 0.5 | mA | Io=5mA~350mA | 2 | ||
| Input Voltage | VI | 35 | V | 1 | |||
| Junction Temperature | TJ | 150 | ℃ | 1 | |||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Temperature Range | TOPR | -40 | 125 | ℃ | 1 | ||
| Thermal Resistance Junction-Ambient | RθJA | 100 | ℃/W | 1 | |||
| Thermal Resistance Junction-Case | RθJC | 8 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
GN78M05A - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252-2 (KiCad packages3D, STEP)
- 3D model files:
gn78m05a-etched.step/gn78m05a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gn78m05a.step/gn78m05a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GN Semic datasheet (4 pp, sha256
530765d043a2cf30, retrieved 2026-10-18, tier: lcsc) - 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).