component

MC7906CTG

Public Made by Adom

by adom

onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MC7906CTG

onsemi · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220

MC7906CTG from onsemi, in a TO-220. 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 pin; a common ground is required between the input and output voltages, and the regulator has no external sense lead, so ground-loop and lead-resistance drops should be minimized.
2 VI power_in Unregulated negative input; the input voltage must remain typically 2.0 V above the more negative level even during the high point of the input ripple, and the heatsink surface is connected to this pin.
3 VO power_out Regulated negative output (−6.0 V nominal for the MC7906C), capable of output currents in excess of 1.0 A when adequately heatsinked.

Key specifications

Parameter Value
Manufacturer onsemi
Package TO-220
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 (TJ = +25°C) VO -5.75 -6 -6.25 Vdc TJ = +25°C 4
Output Voltage VO -5.7 -6.3 Vdc −8.0 Vdc ≥ VI ≥ −21 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W 4
Line Regulation Regline 9 60 mV TJ = +25°C, IO = 100 mA; −8.0 Vdc ≥ VI ≥ −25 Vdc 4
Line Regulation Regline 3 30 mV TJ = +25°C, IO = 100 mA; −9.0 Vdc ≥ VI ≥ −13 Vdc 4
Line Regulation Regline 43 120 mV TJ = +25°C, IO = 500 mA; −8.0 Vdc ≥ VI ≥ −25 Vdc 4
Line Regulation Regline 10 60 mV TJ = +25°C, IO = 500 mA; −9.0 Vdc ≥ VI ≥ −13 Vdc 4
Load Regulation Regload 13 120 mV TJ = +25°C; 5.0 mA ≤ IO ≤ 1.5 A 4
Load Regulation Regload 5 60 mV TJ = +25°C; 250 mA ≤ IO ≤ 750 mA 4
Input Bias Current IIB 4.3 8 mA TJ = +25°C 4
Input Bias Current Change IIB 1.3 mA −8.0 Vdc ≥ VI ≥ −25 Vdc 4
Input Bias Current Change IIB 0.5 mA 5.0 mA ≤ IO ≤ 1.5 A 4
Output Noise Voltage Vn 45 V TA = +25°C, 10 Hz ≤ f ≤ 100 kHz 4
Ripple Rejection RR 65 dB IO = 20 mA, f = 120 Hz 4
Dropout Voltage VI−VO 1.3 Vdc IO = 1.0 A, TJ = +25°C 4
Average Temperature Coefficient of Output Voltage VO/T -1 mV/°C IO = 5.0 mA, 0°C ≤ TJ ≤ +125°C 4
Input Voltage (−5.0 V ≥ VO ≥ −18 V) VI -35 Vdc −5.0 V ≥ VO ≥ −18 V 2
Thermal Resistance, Junction-to-Ambient (Case 221A) θJA 65 °C/W Case 221A, TA = +25°C 2
Thermal Resistance, Junction-to-Case (Case 221A) θJC 5 °C/W Case 221A 2
Storage Junction Temperature Range Tstg -65 150 °C 2
Junction Temperature TJ 150 °C 2
Operating Junction Temperature Range (MC7906CTG, TO-220) TJ 0 125 °C Per ordering information for MC7906CTG 11
ESD Human Body Model 2000 V Human Body Model per MIL-STD-883, Method 3015 2
ESD Machine Model 200 V Machine Model, Method 200 2

CAD (KiCad official)

  • Symbol: MC7906CTG
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: mc7906ctg-etched.step / mc7906ctg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc7906ctg.step / mc7906ctg.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (15 pp, sha256 b41d8e9feb1e57aa, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF