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MC79L05ACDR
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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mc79l05acdr: specified limits as data (metadata.characteristics, 21 rows from the datasheet)
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MC79L05ACDR
Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8
MC79L05ACDR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUTPUT | power_out | Regulated negative output voltage of the 3-terminal fixed negative regulator, rated for up to 100 mA output current. |
| 2 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 3, 6 and 7 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 3 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 2, 6 and 7 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 4 | NC | unconnected | No internal connection. |
| 5 | COMMON | power_in | Common (ground) reference terminal of the 3-terminal negative voltage regulator. |
| 6 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 2, 3 and 7 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 7 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 2, 3 and 6 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 8 | NC | unconnected | No internal connection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-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 | -4.8 | -5 | -5.2 | V | 25°C | 3 | |
| Output voltage | -4.75 | -5.25 | V | VI = −7 V to −20 V, IO = 1 mA to 40 mA, 0°C to 125°C | 3 | ||
| Input regulation | 150 | mV | VI = −7 V to −20 V, 25°C | 3 | |||
| Input regulation | 100 | mV | VI = −8 V to −20 V, 25°C | 3 | |||
| Ripple rejection | 41 | 49 | dB | VI = −8 V to −18 V, f = 120 Hz, 25°C | 3 | ||
| Output regulation | 60 | mV | IO = 1 mA to 100 mA, 25°C | 3 | |||
| Output regulation | 30 | mV | IO = 1 mA to 40 mA, 25°C | 3 | |||
| Bias current | 6 | mA | 25°C | 3 | |||
| Bias current | 5.5 | mA | 125°C | 3 | |||
| Bias current change | 1.5 | mA | VI = −8 V to −20 V, 0°C to 125°C | 3 | |||
| Bias current change | 0.1 | mA | IO = 1 mA to 40 mA, 0°C to 125°C | 3 | |||
| Output noise voltage | 40 | µV | f = 10 Hz to 100 kHz, 25°C | 3 | |||
| Dropout voltage | 1.7 | V | IO = 40 mA, 25°C | 3 | |||
| Input voltage (MC79L05) | VI | -7 | -20 | V | 2 | ||
| Output current | IO | 100 | mA | 2 | |||
| Operating virtual junction temperature | TJ | 0 | 125 | °C | 2 | ||
| Input voltage (MC79L05) | VI | -30 | V | 2 | |||
| Package thermal impedance, D package | θJA | 97 | °C/W | D package, per JESD 51-7 (Notes 1 and 2) | 2 | ||
| Operating free-air, case, or virtual junction temperature | 150 | °C | 2 | ||||
| Lead temperature | 260 | °C | 1.6 mm (1/16 inch) from case for 10 seconds | 2 | |||
| Storage temperature range | Tstg | -65 | 150 | °C | 2 |
CAD (KiCad official)
- Symbol:
MC79L05ACDR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
mc79l05acdr-etched.step/mc79l05acdr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mc79l05acdr.step/mc79l05acdr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (16 pp, sha256
34328abe1c9a396e, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).
# MC79L05ACDR
**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8
MC79L05ACDR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUTPUT | power_out | Regulated negative output voltage of the 3-terminal fixed negative regulator, rated for up to 100 mA output current. |
| 2 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 3, 6 and 7 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 3 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 2, 6 and 7 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 4 | NC | unconnected | No internal connection. |
| 5 | COMMON | power_in | Common (ground) reference terminal of the 3-terminal negative voltage regulator. |
| 6 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 2, 3 and 7 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 7 | INPUT | power_in | Negative unregulated input voltage; internally connected to pins 2, 3 and 6 (input voltage range per device variant, e.g. -7 V to -20 V for the 79L05). |
| 8 | NC | unconnected | No internal connection. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-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 | | -4.8 | -5 | -5.2 | V | 25°C | 3 |
| Output voltage | | -4.75 | | -5.25 | V | VI = −7 V to −20 V, IO = 1 mA to 40 mA, 0°C to 125°C | 3 |
| Input regulation | | | | 150 | mV | VI = −7 V to −20 V, 25°C | 3 |
| Input regulation | | | | 100 | mV | VI = −8 V to −20 V, 25°C | 3 |
| Ripple rejection | | 41 | 49 | | dB | VI = −8 V to −18 V, f = 120 Hz, 25°C | 3 |
| Output regulation | | | | 60 | mV | IO = 1 mA to 100 mA, 25°C | 3 |
| Output regulation | | | | 30 | mV | IO = 1 mA to 40 mA, 25°C | 3 |
| Bias current | | | | 6 | mA | 25°C | 3 |
| Bias current | | | | 5.5 | mA | 125°C | 3 |
| Bias current change | | | | 1.5 | mA | VI = −8 V to −20 V, 0°C to 125°C | 3 |
| Bias current change | | | | 0.1 | mA | IO = 1 mA to 40 mA, 0°C to 125°C | 3 |
| Output noise voltage | | | 40 | | µV | f = 10 Hz to 100 kHz, 25°C | 3 |
| Dropout voltage | | | 1.7 | | V | IO = 40 mA, 25°C | 3 |
| Input voltage (MC79L05) | VI | -7 | | -20 | V | | 2 |
| Output current | IO | | | 100 | mA | | 2 |
| Operating virtual junction temperature | TJ | 0 | | 125 | °C | | 2 |
| Input voltage (MC79L05) | VI | | | -30 | V | | 2 |
| Package thermal impedance, D package | θJA | | 97 | | °C/W | D package, per JESD 51-7 (Notes 1 and 2) | 2 |
| Operating free-air, case, or virtual junction temperature | | | | 150 | °C | | 2 |
| Lead temperature | | | | 260 | °C | 1.6 mm (1/16 inch) from case for 10 seconds | 2 |
| Storage temperature range | Tstg | -65 | | 150 | °C | | 2 |
## CAD (KiCad official)
- Symbol: `MC79L05ACDR`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `mc79l05acdr-etched.step` / `mc79l05acdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mc79l05acdr.step` / `mc79l05acdr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/mc79l) (16 pp, sha256 `34328abe1c9a396e`, retrieved 2026-09-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/mc79l05acdr-datasheet.pdf)