component

REF318SOT233

Public Made by Adom

by adom

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

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REF318SOT233

analogysemi · Voltage Reference · SOT-23-3

REF318SOT233 from analogysemi, 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 Supply input voltage; the datasheet recommends VOUT + 0.02 V up to 5.5 V, with an absolute maximum input of 6.5 V, and the device powers up once VIN exceeds VOUT.
2 OUT power_out Reference voltage output that sources or sinks up to ±25 mA over the stated operating conditions, with a 0.1 µF to 10 µF ceramic capacitor recommended for bypass.
3 GND power_in Ground reference pin for the device.

Key specifications

Parameter Value
Manufacturer analogysemi
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 -0.1 0.05 0.1 % 5
Line Regulation -180 3 180 µV/V VOUT + 0.05V ≤ VIN ≤ 5.5V 5
Line Regulation -230 230 µV/V −40°C ≤ TA ≤ 125°C, VOUT + 0.05V ≤ VIN ≤ 5.5V 5
Output Voltage Temperature Drift dVOUT/dT 5 20 ppm/°C −40°C ≤ TA ≤ 125°C 6
Load Regulation (sourcing) dVOUT/dLOAD -30 -2 30 ppm/mA Sourcing, 0mA < ILOAD < 25mA, VIN = VOUT + 250mV 6
Load Regulation (sourcing, temperature) dVOUT/dLOAD -30 30 ppm/mA −40°C ≤ TA ≤ 125°C, sourcing, 0mA < ILOAD < 10mA, VIN = VOUT + 250mV 6
Load Regulation (sinking) dVOUT/dLOAD -100 -57 100 ppm/mA Sinking, −10mA < ILOAD < 0mA, VIN = VOUT + 100mV 6
Load Regulation (sinking, temperature) dVOUT/dLOAD -150 150 ppm/mA −40°C ≤ TA ≤ 125°C, sinking, −10mA < ILOAD < 0mA, VIN = VOUT + 100mV 6
Thermal Hysteresis dT -300 300 ppm First Cycle 6
Thermal Hysteresis dT -60 60 ppm Additional Cycles 6
Dropout Voltage 5 10 mV ILOAD = 50µA, output ≤ 2.048V 6
Output Current ILOAD -25 25 mA output > 2.048V, VIN = VOUT + 250mV; output ≤ 2.048V, VIN = VOUT + 400mV 6
Input Voltage VIN 5.5 V Voltage VIN; minimum printed as VOUT + 0.002 (expression, not numeric) 7
Quiescent Current IQ 60 80 µA IL = 0 7
Temperature Range, Specified -40 125 °C 7
Temperature Range, Operating TA -55 135 °C 7
Temperature Range, Storage -65 150 °C 7
Supply Input Voltage VIN 5.5 V Minimum printed as VOUT + 0.02 (expression, not numeric) 4
Output Current Range IOUT -25 25 mA 4
Operating Temperature TA -55 135 °C 4
Input Voltage (absolute maximum) VIN 6.5 V 3
Output Voltage (absolute maximum) VOUT 5 V 3
Operating Temperature (absolute maximum) TA -55 150 °C 3
Junction Temperature (absolute maximum) TJ 150 °C 3
ESD Human-Body Model V(ESD) -8000 8000 V HBM, per ANSI/ESDA/JEDEC JS-001 3
ESD Charged-Device Model V(ESD) -2000 2000 V CDM, per JEDEC JESD22-C101 3
Junction-to-Ambient Thermal Resistance RθJA 176.7 °C/W SOT23-3 4
Junction-to-Board Thermal Resistance RθJB 22.9 °C/W SOT23-3 4
Junction-to-Top Characterization Parameter ψJT 4.2 °C/W SOT23-3 4
Junction-to-Board Characterization Parameter ψJB 26.7 °C/W SOT23-3 4
Junction-to-Case (Top) Thermal Resistance RθJC(top) 84.9 °C/W SOT23-3 4

CAD (KiCad official)

  • Symbol: REF318SOT233
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ref318sot233-etched.step / ref318sot233-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref318sot233.step / ref318sot233.glb are the bare package body.

Provenance

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

  • Datasheet: analogysemi datasheet (17 pp, sha256 1bd116cea5a7950d, retrieved 2026-10-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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