component

MC34063N

Public Made by Adom

by adom

HGSEMI DC-DC Converters, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MC34063N

HGSEMI · DC-DC Converters · DIP-8

MC34063N from HGSEMI, in a DIP-8. 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 Switch Collector passive Collector of the internal output switch (Q1/Q2 Darlington), rated 40V maximum for switch collector voltage and 1.5A maximum switch current.
2 Switch Emitter passive Emitter of the internal output switch, rated 40V maximum (with Pin 1 at 40V) and carrying up to 1.5A switch current.
3 Timing Capacitor passive Connection for the oscillator timing capacitor CT, which sets the switching frequency (33kHz typical with CT=1.0nF).
4 Gnd power_in Ground pin of the device.
5 Comparator Inverting Input input Inverting input of the comparator compared against the 1.25V reference (threshold 1.25V typical), with input range -0.3 to +40V.
6 VCC power_in Supply voltage input, operating from 3.0V to 40V with 40V absolute maximum.
7 Ipk Sense input Peak current sense input for the current limit circuit, with a current limit sense voltage of 300mV typical (250 to 350mV).
8 Driver Collector passive Collector of the internal driver transistor, rated 40V maximum collector voltage and 100mA maximum driver collector current.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package DIP-8
Category Power Management ICs
Pins 8

CAD (KiCad official)

  • Symbol: MC34063N
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8 (KiCad packages3D, STEP)
  • 3D model files: mc34063n-etched.step / mc34063n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc34063n.step / mc34063n.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (12 pp, sha256 5213ed0d26fa8e18, retrieved 2026-10-28, 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