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7912A

Public Made by Adom

by adom

YFW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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7912A

YFW · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252

7912A from YFW, in a TO-252. 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 pin of the negative regulator.
2 IN power_in Negative input voltage, absolute maximum -35 V; the tab (also labeled 2) is the same node.
3 OUT power_out Regulated -12 V output, up to 1.5 A with current limiting and thermal shutdown.

Key specifications

Parameter Value
Manufacturer YFW
Package TO-252
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 -11.52 -12 -12.48 V Tj=25°C 2
Output Voltage VO -11.4 -12 -12.6 V IO=-5mA~-1A, PO≤15W, VI=-15.5~-27V 2
Ripple Rejection RR 50 60 dB f=120Hz, ΔVI=10V 2
Line Regulation ΔVO 240 mV Tj=25°C, VI=-14.5V~-30V 2
Line Regulation ΔVO 120 mV VI=-16V~-22V 2
Load Regulation ΔVO 240 mV Tj=25°C, IO=-5mA~-1.5A 2
Load Regulation ΔVO 120 mV IO=-0.25A~-0.75A 2
Quiescent Current IQ 6 mA Tj=25°C 2
Quiescent Current Change ΔIQ 0.5 mA IO=-5mA~-1.5A 2
Quiescent Current Change ΔIQ 1 mA IO=-14.5V~-30V (as printed) 2
Input Voltage VIN -35 V 1
Output Current IO -1.5 A 1
Operating Junction Temperature Range TOPR 0 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Output Voltage Drift ΔV/ΔT -0.8 mV/°C IO=5mA 2
Output Noise Voltage VN 200 μV f=10Hz~100kHz, Tj=25°C 2
Dropout Voltage VD 2 V IO=-1.0A, Tj=25°C 2
Short Circuit Current ISC 300 mA VI=-35V, Tj=25°C 2
Peak Current IPK 2.2 A Tj=25°C 2
Thermal Resistance Junction-Case RθJC 5 °C/W 2
Thermal Resistance Junction-Air RθJA 65 °C/W Ta=+25°C 2

CAD (KiCad official)

  • Symbol: 7912A
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: 7912a-etched.step / 7912a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 7912a.step / 7912a.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: YFW datasheet (4 pp, sha256 13e993fdf5f40a7f, 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