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docs bl8064cb3tr28: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers bl8064cb3tr28: viewers · Ray 2mo ago
bl8064cb3tr28-etched.fit.json bl8064cb3tr28: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8064cb3tr28-etched.glb bl8064cb3tr28: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8064cb3tr28-etched.step bl8064cb3tr28: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8064cb3tr28.glb Publish 0.1.0 · Ray 2mo ago
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page.json bl8064cb3tr28: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
README.md bl8064cb3tr28: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

BL8064CB3TR28

BL Shanghai Belling · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3L

BL8064CB3TR28 from BL Shanghai Belling, in a SOT-23-3L. 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 reference pin for the regulator. Common return for input and output capacitors.
2 Vout power_out Regulated output voltage pin. For the -28 suffix this is 2.8V, factory-trimmed to ±2% and rated for up to 200mA. Requires a 1uF ceramic output capacitor (Cout) to GND for stability.
3 Vin power_in Supply voltage input, recommended 1.5V-8V (absolute max 10V). Requires a 1uF ceramic input capacitor (Cin) to GND. Must be at least Vout+dropout (430mV @ 200mA for Vout=2.8V) for regulation.

Key specifications

Parameter Value
Manufacturer BL Shanghai Belling
Package SOT-23-3L
Category PMIC
Pins 3

Ordering variants

  • BL8064CB3TR28
  • BL8064CB3TR28CB3ATR
  • BL8064CB3TR28CB5TR
  • BL8064CB3TR28CC3TR
  • BL8064CB3TR28CHBG

CAD (KiCad official)

  • Symbol: BL8064CB3TR28
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: bl8064cb3tr28-etched.step / bl8064cb3tr28-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bl8064cb3tr28.step / bl8064cb3tr28.glb are the bare package body.

Provenance

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

  • Datasheet: BL Shanghai Belling datasheet (9 pp, sha256 1e0b78c647255af7, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF