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docs ref3025aidbzt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers ref3025aidbzt: viewers · Ray 1mo ago
package.json ref3025aidbzt: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
page.json ref3025aidbzt: specified limits as data (metadata.characteristics, 27 rows from the datasheet) · Ray 25d ago
README.md ref3025aidbzt: specified limits as data (metadata.characteristics, 27 rows from the datasheet) · Ray 25d ago
ref3025aidbzt-etched.fit.json ref3025aidbzt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ref3025aidbzt-etched.glb ref3025aidbzt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ref3025aidbzt-etched.step ref3025aidbzt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ref3025aidbzt.glb Publish 0.1.0 · Ray 1mo ago
ref3025aidbzt.kicad_mod Publish 0.1.0 · Ray 1mo ago
ref3025aidbzt.kicad_sym Publish 0.1.0 · Ray 1mo ago
ref3025aidbzt.lbr Publish 0.1.0 · Ray 1mo ago
ref3025aidbzt.step Publish 0.1.0 · Ray 1mo ago

REF3025AIDBZT

Texas Instruments · Voltage Reference · SOT-23

REF3025AIDBZT from Texas Instruments, in a SOT-23. 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 IN power_in Input supply voltage with recommended operating range from VOUT + 50mV to 5.5V (absolute maximum 7V).
2 OUT output Reference output voltage nominally 2.5V (2.495V to 2.505V range) with ±0.2% initial accuracy; stable without output load capacitor.
3 GND power_in Ground reference.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23
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
Supply voltage, IN to GND (REF30xx) 7 V REF30xx 4
Output short-circuit current 70 mA Short circuit to ground 4
Operating temperature -40 125 °C 4
Junction temperature (TJ max) TJ 150 °C 4
Storage temperature range Tstg -65 150 °C 4
Input voltage (REF30xx) VIN 5.5 V Specification for REF30xx; minimum printed as VOUT + 0.05 V 4
Load current (REF30xx) ILOAD 25 mA Specification for REF30xx 4
Operating temperature TA -40 125 °C 4
Junction-to-ambient thermal resistance (DBZ, REF30XX) RθJA 297.3 °C/W DBZ (SOT-23) 3-pin, REF30XX column 5
Junction-to-case (top) thermal resistance (DBZ, REF30XX) RθJC(top) 128.5 °C/W DBZ (SOT-23) 3-pin, REF30XX column 5
Junction-to-board thermal resistance (DBZ, REF30XX) RθJB 91.7 °C/W DBZ (SOT-23) 3-pin, REF30XX column 5
Junction-to-top characterization parameter (DBZ, REF30XX) ΨJT 12.8 °C/W DBZ (SOT-23) 3-pin, REF30XX column 5
Junction-to-board characterization parameter (DBZ, REF30XX) ΨJB 90.3 °C/W DBZ (SOT-23) 3-pin, REF30XX column 5
Output voltage temperature drift dVOUT/dT 20 50 ppm/°C 0°C ≤ TA ≤ 70°C 9
Output voltage temperature drift dVOUT/dT 28 60 ppm/°C –30°C ≤ TA ≤ +85°C 9
Output voltage temperature drift dVOUT/dT 30 65 ppm/°C –40°C ≤ TA ≤ +85°C 9
Output voltage temperature drift dVOUT/dT 35 75 ppm/°C –40°C ≤ TA ≤ +125°C 9
Load regulation dVOUT/dILOAD 3 100 ppm 0mA < ILOAD < 25mA, VIN = VREF + 500mV 9
Thermal hysteresis 25 100 ppm 9
Long-term stability 24 ppm 0000h to 1000h 9
Long-term stability 15 ppm 1000h to 2000h 9
Dropout voltage VDO 1 50 mV 9
Short-circuit current ISC 45 mA 9
Turn-on settling time 120 µs To 0.1% with CL = 1μF 9
Quiescent current IQ 42 50 µA TA = 25C 9
Quiescent current IQ 59 µA –40°C ≤ TA ≤ +125°C 9
Output voltage (nominal, REF3025) VOUT 2.5 V Nominal per device comparison table for REF3025AIDBZR 2

CAD (KiCad official)

  • Symbol: REF3025AIDBZT
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ref3025aidbzt-etched.step / ref3025aidbzt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref3025aidbzt.step / ref3025aidbzt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 59daf1014acc7ddf, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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