component
L7912-1.5A
Public Made by Adomby adom
TDSEMIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 11d ago |
| viewers | 11d ago |
| l7912-1-5a-etched.glb | 11d ago |
| l7912-1-5a-etched.step | 11d ago |
| l7912-1-5a-hero.glb | 11d ago |
| l7912-1-5a-hero.overlay.json | 11d ago |
| l7912-1-5a.glb | 11d ago |
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| l7912-1-5a.lbr | 11d ago |
| l7912-1-5a.step | 11d ago |
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| page.json | 11d ago |
| README.md | 11d ago |
L7912-1.5A
TDSEMIC · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220-3L
L7912-1.5A from TDSEMIC, in a TO-220-3L. 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 | GND | power_in | Ground reference terminal of the regulator, connected to the circuit common. |
| 2 | IN | power_in | Negative unregulated input terminal, with Vi rated at -35 V maximum in the absolute maximum ratings. |
| 3 | OUT | power_out | Regulated negative output terminal giving Vo of -5 V nominal with a maximum output current IOM of 1.2 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TDSEMIC |
| Package | TO-220-3L |
| 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 | -4.8 | -5 | -5.2 | V | 25℃ (Vi=-10V, Io=500mA, Ci=2.2μF, Co=1μF) | 1 |
| Output Voltage | Vo | -4.75 | -5 | -5.25 | V | -7V≤Vi≤-20V, Io=5mA-1A, 0-125℃, P≤15W | 1 |
| Load Regulation | ∆Vo | 15 | 100 | mV | Io=5mA-1.2A, 25℃ | 1 | |
| Load Regulation | ∆Vo | 5 | 50 | mV | Io=250mA-750mA, 25℃ | 1 | |
| Line Regulation | ∆Vo | 12.5 | 50 | mV | -7V≤Vi≤-25V, 25℃ | 1 | |
| Line Regulation | ∆Vo | 4 | 15 | mV | -8V≤Vi≤-12V, 25℃ | 1 | |
| Quiescent Current | Iq | 1.5 | 2 | mA | 25℃ | 1 | |
| Quiescent Current Change | ∆Iq | 0.5 | mA | -7V≤Vi≤-25V, 0-125℃ | 1 | ||
| Ripple Rejection | RR | 54 | 60 | dB | -8V≤Vi≤-18V, f=120Hz, 0-125℃ | 1 | |
| Input Voltage | Vi | -35 | V | 1 | |||
| Operating Junction Temperature Range | TOPR | 0 | 150 | ℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Output Voltage Drift | ΔVo / ΔT | -0.4 | mV/℃ | IO=5mA, 0-125℃ | 1 | ||
| Output Noise Voltage | VN | 125 | μV | 10Hz≤f≤100KHz, 25℃ | 1 | ||
| Dropout Voltage | Vd | 1.1 | V | Io=1A, 25℃ | 1 | ||
| Peak Current | Ipk | 2 | A | 25℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 83.3 | ℃/W | 1 | |||
| Thermal Resistance from Junction to Case | RθJC | 8.33 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
L7912-1.5A - Footprint:
Package_TO_SOT_THT:TO-220-3_Vertical - 3D model: TO-220-3L (KiCad packages3D, STEP)
- 3D model files:
l7912-1-5a-etched.step/l7912-1-5a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);l7912-1-5a.step/l7912-1-5a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TDSEMIC datasheet (1 pp, sha256
05cd06e627fdda68, retrieved 2026-10-27, 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).