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MC79M08CDTRKG

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

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README.md mc79m08cdtrkg: specified limits as data (metadata.characteristics, 14 rows from the datasheet) · Ray 18d ago

MC79M08CDTRKG

onsemi · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DPAK-3

MC79M08CDTRKG from onsemi, in a DPAK-3. 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.
2 VI power_in Negative unregulated input, rated at −35 Vdc maximum, which must remain typically 1.1 V more negative than the output even at the high point of input ripple.
3 VO power_out Regulated negative fixed output of −8.0 V nominal (MC79M08); a 1.0 µF output capacitor is recommended to improve stability and transient response.

Key specifications

Parameter Value
Manufacturer onsemi
Package DPAK-3
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 -7.7 -8 -8.3 Vdc TJ = 25°C; VI = −10 V, IO = 350 mA (table header) 3
Output Voltage VO -7.6 -8 -8.4 Vdc −10.5 Vdc ≥ VI ≥ −25 Vdc, 5.0 mA ≤ IO ≤ 350 mA 3
Line Regulation, TJ = 25°C (sub-row 1) Regline 5 80 mV TJ = 25°C; −10.5 Vdc ≥ VI ≥ −25 Vdc 3
Line Regulation, TJ = 25°C (sub-row 2) Regline 3 50 mV TJ = 25°C; −11 Vdc ≥ VI ≥ −21 Vdc 3
Load Regulation, TJ = 25°C Regload 30 100 mV TJ = 25°C; 5.0 mA ≤ IO ≤ 500 mA 3
Input Bias Current (TJ = 25°C) IIB 8 mA TJ = 25°C 3
Input Bias Current Change (sub-row 1) IIB 0.4 mA −10.5 Vdc ≥ VI ≥ −25 Vdc, IO = 350 mA 3
Input Bias Current Change (sub-row 2) IIB 0.4 mA 5.0 mA ≤ IO ≤ 350 mA, VI = −10 V 3
Ripple Rejection RR 54 63 dB f = 120 Hz 3
Input Voltage VI -35 Vdc 2
Thermal Resistance, Junction-to-Ambient, Case 369C (DPAK-3) JA 92 °C/W Case 369C (DPAK−3) 2
Thermal Resistance, Junction-to-Case, Case 369C (DPAK-3) JC 6 °C/W Case 369C (DPAK−3) 2
Storage Junction Temperature Tstg -65 150 °C 2
Operating Junction Temperature Range TJ -40 150 °C 2

CAD (KiCad official)

  • Symbol: MC79M08CDTRKG
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: DPAK-3 (KiCad packages3D, STEP)
  • 3D model files: mc79m08cdtrkg-etched.step / mc79m08cdtrkg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc79m08cdtrkg.step / mc79m08cdtrkg.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (9 pp, sha256 cab487486a5292f6, retrieved 2026-10-09, 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