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S-1206B28-U3T1U

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ABLIC Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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S-1206B28-U3T1U

ABLIC · Linear Voltage Regulators (LDO) · SOT-89-3

S-1206B28-U3T1U from ABLIC, in a SOT-89-3. 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 VSS power_in GND pin.
2 VIN power_in Input voltage pin; operating input range 1.7 V to 6.5 V (absolute maximum VSS + 7 V).
3 VOUT power_out Output voltage pin; 2.8 V output for this product, up to 250 mA output current capability stated for a 3.0 V product with VIN ≥ VOUT(S) + 1.0 V.

Key specifications

Parameter Value
Manufacturer ABLIC
Package SOT-89-3
Category Power Management ICs
Pins 3

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Input voltage (absolute maximum) VIN -0.3 7 V VSS − 0.3 to VSS + 7, Ta = 25°C 6
Output voltage (absolute maximum) VOUT -0.3 V VSS − 0.3 to VIN + 0.3 (upper limit depends on VIN) 6
Power dissipation SOT-89-3 PD 1000 mW When mounted on board (JEDEC STANDARD51-7, 114.3 × 76.2 × t1.6 mm) 6
Operation ambient temperature Topr -40 85 °C 6
Storage temperature Tstg -40 125 °C 6
Input voltage VIN 1.7 6.5 V 7
Output current IOUT 250 mA VIN ≥ VOUT(S) + 1.0 V, 1.5 V ≤ VOUT(S) 7
Dropout voltage Vdrop 0.23 0.36 V IOUT = 100 mA, 2.1 V ≤ VOUT(S) < 3.0 V 7
Line regulation ΔVOUT1/(ΔVIN·VOUT) 0.05 0.2 %/V VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 1 μA 7
Load regulation ΔVOUT2 20 40 mV VIN = VOUT(S) + 1.0 V, 1 μA ≤ IOUT ≤ 100 mA 7
Current consumption during operation ISS1 1 1.5 μA VIN = VOUT(S) + 1.0 V, no load 7
Output voltage temperature coefficient ΔVOUT/(ΔTa·VOUT) -120 120 ppm/°C VIN = VOUT(S) + 1.0 V, IOUT = 30 mA, −40°C ≤ Ta ≤ 85°C 7
Short-circuit current ISHORT 100 mA VIN = VOUT(S) + 1.0 V, VOUT = 0 V, 2.3 V ≤ VOUT ≤ 5.2 V 7

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Lead-free, Sn 100%, halogen-free*2 *1. Attention should be paid to the power dissipation of the package when the output current is large. 1

CAD (KiCad official)

  • Symbol: S-1206B28-U3T1U
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: s-1206b28-u3t1u-etched.step / s-1206b28-u3t1u-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s-1206b28-u3t1u.step / s-1206b28-u3t1u.glb are the bare package body.

Provenance

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

  • Datasheet: ABLIC datasheet (35 pp, sha256 9366b0a6573d9b1f, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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