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Contents

README

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DK112

Shenzhen DongKe Semicon · AC-DC Controllers And Regulators · DIP-8

DK112 from Shenzhen DongKe Semicon, in a DIP-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 Gnd power_in Ground pin for power return path.
2 Gnd power_in Ground pin for power return path.
3 Fb input Feedback control pin with voltage range 1.6V to 3.6V; requires external filter capacitor of 10nF to 100nF.
4 Vcc power_in Power supply pin with operating voltage range 4V to 6V and absolute maximum rating 9V.
5 Collector output Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V.
6 Collector output Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V.
7 Collector output Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V.
8 Collector output Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V.

Key specifications

Parameter Value
Manufacturer Shenzhen DongKe Semicon
Package DIP-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: DK112
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8 (KiCad packages3D, STEP)
  • 3D model files: dk112-etched.step / dk112-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dk112.step / dk112.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen DongKe Semicon datasheet (14 pp, sha256 b87797a2f217787e, retrieved 2026-09-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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