component
MC34063ABD-TR
Public Made by Adomby adom
STMicroelectronics DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMC34063ABD-TR
STMicroelectronics · DC-DC Converters · SOIC-8
MC34063ABD-TR from STMicroelectronics, 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 | SWC | output | Switch collector of internal output transistor with 40 V maximum rating and 1.5 A current capability |
| 2 | SWE | output | Switch emitter of internal output transistor with 40 V maximum rating |
| 3 | TC | passive | External timing capacitor connection for oscillator frequency setting, supports up to 100 kHz operation |
| 4 | GND | power_in | Ground reference and device common return |
| 5 | CII | input | Comparator inverting input with -0.3 to 40 V input voltage range and 1.25 V threshold voltage |
| 6 | VCC | power_in | Positive power supply input with 3 to 40 V operating range and 50 V absolute maximum rating |
| 7 | IPK | input | Current limit sense input with 300 mV typical threshold for internal current limiting circuit |
| 8 | DRC | output | Voltage driver collector output for driving external switching transistor with 100 mA maximum current |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOIC-8 |
| Category | Power Management ICs |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
MC34063ABD-TR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
mc34063abd-tr-etched.step/mc34063abd-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mc34063abd-tr.step/mc34063abd-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (23 pp, sha256
90208f64b7a5ca67, retrieved 2026-09-23, 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).