component

OB3399MP

Public Made by Adom

by adom

OB(On-Bright Elec) AC-DC Controllers & Regulators, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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ob3399mp-etched.step ob3399mp: factory component page (tier=lcsc) · Ray 10d ago
ob3399mp-hero.glb ob3399mp: hero GLB from the etched model (keeps the MPN mark) · Ray 10d ago
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OB3399MP

OB(On-Bright Elec) · AC-DC Controllers & Regulators · SOT-23-6

OB3399MP from OB(On-Bright Elec), in a SOT-23-6. 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 GATE output Gate driver output that drives the external power MOSFET, with a clamp voltage of 10 V and a gate voltage absolute maximum of -0.3 to 25 V.
2 CS input Current sense input with an over current threshold of 492 to 508 mV (500 mV typ.) and a 500 ns leading edge blanking time, where the external sense resistor Rs sets the LED constant current.
3 VDD power_in Power supply pin with a recommended supply range of 12 to 25 V, a UVLO(ON) of 7.3 to 9.3 V, and a VDD clamp of 25 V.
4 FB input Connected to a resistor divider from the primary or auxiliary winding to reflect output voltage, regulated at 1.2 V (typ.) with an over-voltage protection threshold of about 1.4 V (typ.).
5 RL bidirectional Load regulation configuration pin, where the resistor R3 connected to RL sets the CV load compensation.
6 GND power_in Ground reference pin for the controller.

Key specifications

Parameter Value
Manufacturer OB(On-Bright Elec)
Package SOT-23-6
Category Power Management ICs
Pins 6

CAD (KiCad official)

  • Symbol: OB3399MP
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ob3399mp-etched.step / ob3399mp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ob3399mp.step / ob3399mp.glb are the bare package body.

Provenance

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

  • Datasheet: OB(On-Bright Elec) datasheet (10 pp, sha256 828ddf4422375362, retrieved 2026-10-28, 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