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REF4132A50DBVR

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Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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README.md ref4132a50dbvr: specified limits as data (metadata.characteristics, 36 rows from the datasheet) · Ray 23d ago
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REF4132A50DBVR

Texas Instruments · Voltage Reference · SOT-23-5

REF4132A50DBVR from Texas Instruments, in a SOT-23-5. 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 N/C unconnected No-connect pin; leave floating.
2 GND power_in Ground reference for the device.
3 EN input Enable pin that enables or disables the device; the recommended enable voltage range is 0 V to VIN, and the absolute maximum enable voltage is VIN + 0.3 V (-0.3 V minimum).
4 VIN power_in Reference voltage input; recommended VIN range is VREF + VDO to 5.5 V, with an absolute maximum of 6 V.
5 VREF power_in Reference voltage output; recommended output current is -10 mA to 10 mA, and the output short-circuit current is limited to 20 mA.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output voltage accuracy -0.05 0.05 % TA = 25°C 5
Output voltage temperature coefficient (A grade) 12 ppm/℃ –40°C ≤ TA ≤ 125°C REF4132 A grade 5
Line regulation (VREF = 5 V) ΔVREF/ΔVIN 55 ppm/V VREF = 5 V, VREF + VDO ≤ VIN ≤ 5.5 V 5
Load regulation sourcing ΔVREF/ΔIL 20 ppm/mA IL = 0 mA to 10mA, VIN = VREF + VDO 5
Load regulation (second row) ΔVREF/ΔIL 120 ppm/mA IL = 0 mA to 10mA, VIN = VREF + VDO 5
Input voltage VIN 5.5 V 5
Quiescent current, active mode IQ 80 100 µA Active mode 5
Quiescent current, shutdown mode IQ 2.5 5 µA Shutdown mode, VEN = 0 V 5
Enable pin voltage, reference active mode VEN 1.6 V Voltage reference in active mode (EN=1) 5
Enable pin voltage, reference shutdown mode VEN 0.5 V Voltage reference in shutdown mode (EN=0) 5
Enable pin current IEN 1 2 µA VEN = 5.5 V 5
Dropout voltage VDO 50 mV IL = 0 mA 5
Dropout voltage VDO 100 mV IL = 0 mA 5
Dropout voltage VDO 500 mV IL = 10 mA 5
Short circuit current ISC 11.5 18 mA VREF = 0 V 5
Turn-on time tON 2.5 ms 0.1% settling, CL = 1 µF, 10% to 90% 5
Low frequency noise en(p-p) 15 ppmp-p f = 0.1 Hz to 10 Hz 5
Wide band noise en 24 µVrms f = 10 Hz to 10 kHz 5
Long-term stability 30 ppm 0 to 1000h at 35℃ 5
Output voltage hysteresis VHYST 35 ppm TA= 25℃ to −40℃ to 125℃ to 25℃ 5
Stable output capacitor range CL 0.1 10 µF 5
Input voltage (recommended) VIN 5.5 V 4
Enable voltage (recommended) VEN 0 V 4
Output current IL -10 10 mA 4
Operating temperature TA -40 25 125 ℃ 4
Input voltage (absolute maximum) VIN -0.3 6 V 4
Enable voltage (absolute maximum) VEN -0.3 V 4
Output voltage (absolute maximum) VREF -0.3 5.5 V 4
Output short circuit current (absolute maximum) ISC 20 mA 4
Operating temperature range (absolute maximum) TA -55 150 °C 4
Storage temperature range Tstg -65 170 °C 4
Junction-to-ambient thermal resistance RθJA 185 °C/W 4
Junction-to-case (top) thermal resistance RθJC(top) 156 °C/W 4
Junction-to-board thermal resistance RθJB 29.6 °C/W 4
Junction-to-top characterization parameter ΨJT 33.8 °C/W 4
Junction-to-board characterization parameter ΨJB 29.1 °C/W 4

CAD (KiCad official)

  • Symbol: REF4132A50DBVR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ref4132a50dbvr-etched.step / ref4132a50dbvr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref4132a50dbvr.step / ref4132a50dbvr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 5a3e7477054b0e9d, retrieved 2026-10-08, tier: lcsc)
  • 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