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REF3330AIDBZT

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Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)ref3330aidbztfactory-2.0.0extractor-text

Verified REF3330AIDBZT

by Ray · last 6 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier mfr, 3 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: REF3330AIDBZT · SOT-23-3 · 3 pins
  • ✓copper: 3 copper pads, none touching another net
  • ✓datasheet: all 3 pin names found in the 36-page datasheet
  • ✓distributor: lcsc C2156496, digikey 296-22643-2-ND, mouser 595-REF3330AIDBZT
  • ✓family: SOT-23-3
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-mmw2ipno/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 3 pins = 3 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 3 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ ref3330aidbzt.kicad_sym✓ ref3330aidbzt.kicad_mod✓ ref3330aidbzt.step
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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

markdown

REF3330AIDBZT

Texas Instruments · Voltage Reference · SOT-23-3

REF3330AIDBZT from Texas Instruments, in a SOT-23-3. 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 IN power_in Input supply voltage, which must be at least VOUT + 0.2 V and at most 5.5 V under recommended operating conditions.
2 OUT power_out Voltage reference output, with an output current range of -5 mA to 5 mA.
3 GND power_in Ground reference for the device.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-3
Category Power Management (PMIC)
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
Initial accuracy -0.15 0.15 % TA = 25°C, VIN = 5V, ILOAD = 0mA 6
Output voltage temperature drift dVOUT/dT 8 30 ppm/°C -40°C to 125°C 6
Line regulation ΔVO(ΔVI) -50 6 50 ppm/V VIN = VOUT + 200mV to 5.5V 6
Load regulation ΔVO(ΔIL) -50 6 50 ppm/mA VIN = VOUT + 200mV 6
Minimum dropout voltage VIN, VOUT 110 160 mV ILOAD = ±5mA 6
Capacitive load CL 0.1 10 μF 7
Quiescent current IQ 3.9 5 µA 7
Quiescent current IQ 4.4 6.5 µA -40°C to 85°C 7
Quiescent current IQ 4.8 8.5 µA -40°C to 125°C 7
Specified temperature range TA -40 125 °C Specified range 7
Operating temperature range TA -50 150 °C Operating range 7
Input voltage VIN 7.5 V 5
Output voltage VOUT 5 V 5
Output short-circuit current ISC 180 mA 5
Operating temperature -50 150 °C Operating, free-air 5
Junction temperature TJ 150 °C 5
Storage temperature Tstg -65 150 °C 5
Output current range IOUT -5 5 mA 5
Junction-to-ambient thermal resistance RθJA 313.1 °C/W DBZ (SOT-23), 3 pins 5
Junction-to-case (top) thermal resistance RθJC(top) 144 °C/W DBZ (SOT-23), 3 pins 5
Junction-to-board thermal resistance RθJB 109.3 °C/W DBZ (SOT-23), 3 pins 5
Junction-to-top characterization parameter ψJT 18.2 °C/W DBZ (SOT-23), 3 pins 5
Junction-to-board characterization parameter ψJB 107.9 °C/W DBZ (SOT-23), 3 pins 5
Output voltage VOUT 3 V REF3330 (3.0V) row 6
Output voltage noise 84 μVPP f = 0.1Hz to 10Hz 6
Long-term stability 55 ppm 0h to 1000h at 25°C 6
Thermal hysteresis dT 90 ppm 6
Short-circuit current ISC 35 mA Sourcing and sinking 6
Turn-on settling time 2 ms To 0.1% with CL = 1μF 7

CAD (KiCad official)

  • Symbol: REF3330AIDBZT
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ref3330aidbzt-etched.step / ref3330aidbzt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref3330aidbzt.step / ref3330aidbzt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (36 pp, sha256 39839abc9bf09417, retrieved 2026-11-06, tier: manufacturer)
  • 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