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DK5710

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Shenzhen DongKe Semicon AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DK5710

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

DK5710 from Shenzhen DongKe Semicon, in a SOP-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 VDD power_in Chip power supply pin, with a start threshold of 10.5 V typ (9.5 to 11.5 V), undervoltage protection below 9 V, a clamp of 24 to 28 V, and an absolute maximum VDD supply voltage of 28 V.
2 GND power_in Ground pin; the VDD capacitor EC2 should be placed as close as possible to the VDD and GND pins.
3 FB input Feedback pin that samples the output voltage through the external divider to set the 3.3 V to 24 V output, where FB below 1.7 V for 50 ms triggers overload protection and FB below 200 mV after soft-start triggers FB fault restart.
4 NC unconnected No-connect pin, listed as an empty (NC) pin in the datasheet.
5 SW passive High-voltage MOSFET drain pin, with a drain-source breakdown voltage BVDSS of 680 V min and a maximum drain-source voltage rating VDRAIN_MAX of 680 V.
6 SW passive High-voltage MOSFET drain pin, with a drain-source breakdown voltage BVDSS of 680 V min and a maximum drain-source voltage rating VDRAIN_MAX of 680 V.
7 SW passive High-voltage MOSFET drain pin, with a drain-source breakdown voltage BVDSS of 680 V min and a maximum drain-source voltage rating VDRAIN_MAX of 680 V.
8 SW passive High-voltage MOSFET drain pin, with a drain-source breakdown voltage BVDSS of 680 V min and a maximum drain-source voltage rating VDRAIN_MAX of 680 V.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Power MOSFET drain-source voltage VDRAIN_MAX 680 V 3
VDD supply voltage VDD 28 V 3
Storage temperature range TSTG -55 155 ℃ 3
Junction temperature TJ -40 150 ℃ 3
Soldering temperature TW 260 ℃ 10S 3
ESD 2500 V 3
Power MOSFET breakdown voltage BVDSS 680 720 V ISW =250uA 3
Off-state drain leakage current IOFF 100 uA Vsw =500V 3
On-state resistance RDS(on) 4.5 Ω ISW = 400mA, TJ =25°C 3
High-voltage start-up voltage VSW_START 30 V VDD=VDDon, 1V 3
VDD start-up threshold voltage VDDon 9.5 10.5 11.5 V 3
VDD undervoltage protection threshold voltage VDDoff 8 9 10 V 3
VDD hysteresis VDDhys 1.5 V 3
VDD clamp protection voltage VDDclamp 24 26 28 V 3
Start-up transistor charging current IDDch -3 mA VDD=11V 3
Quiescent current IDD0 50 150 250 µA VDD=6V 3
Operating current IDD1 0.5 mA VDD =15V 3
Peak current limit Ilimit 1.1 1.2 1.3 A 3
Current-sense leading edge blanking time TLEB 400 ns 3
Minimum off time Toffmin 12 12.5 13 μs 3
Maximum on time Tonmax 6 μs 3
Overtemperature protection temperature TSD 135 150 °C 3
Overtemperature protection hysteresis THYST 30 °C 3
Abnormal restart time TRESTART 780 ms CVDD=10μF 3

CAD (KiCad official)

  • Symbol: DK5710
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: dk5710-etched.step / dk5710-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dk5710.step / dk5710.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen DongKe Semicon datasheet (8 pp, sha256 a13b747bd6fbe938, retrieved 2026-10-18, 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 0.3, 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