component
REF4132B50DBVRQ1
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownREF4132B50DBVRQ1
Texas Instruments · Voltage Reference · SOT-23-5
REF4132B50DBVRQ1 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 that should be left floating. |
| 2 | GND | power_in | Ground reference pin for the device. |
| 3 | EN | input | Enable pin that enables or disables the device, with enable voltage specified from 0 V to VIN and an absolute maximum of VIN + 0.3 V. |
| 4 | VIN | power_in | Input supply pin with recommended input voltage from VREF + VDO to 5.5 V and an absolute maximum of 6 V. |
| 5 | VREF | power_out | Reference voltage output with output current specified as -10 mA to 10 mA and output short-circuit current of 20 mA maximum. |
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 (B grade) | 30 | ppm/℃ | -40°C ≤ TA ≤ 125°C REF4132 B grade | 5 | |||
| Line regulation | ΔVREF/ΔVIN | 2 | ppm/V | VREF + VDO ≤ VIN ≤ 5.5 V | 5 | ||
| Line regulation | ΔVREF/ΔVIN | 15 | ppm/V | VREF + VDO ≤ VIN ≤ 5.5 V | 5 | ||
| Line regulation (VREF = 5 V) | ΔVREF/ΔVIN | 55 | ppm/V | VREF = 5 V, VREF + VDO ≤ VIN ≤ 5.5 V | 5 | ||
| Load regulation | ΔVREF/ΔIL | 20 | ppm/mA | IL = 0 mA to 10mA, VIN = VREF + VDO | 5 | ||
| Load regulation | ΔVREF/ΔIL | 120 | ppm/mA | IL = 0 mA to 10mA, VIN = VREF + VDO | 5 | ||
| Input voltage | VIN | 5.5 | V | Minimum VREF + VDO | 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 | VEN | 1.6 | V | Voltage reference in active mode (EN=1) | 5 | ||
| Enable pin voltage | 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 | ƒ = 0.1 Hz to 10 Hz | 5 | ||
| Wide band noise | en | 24 | µVrms | ƒ = 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 | Minimum VREF + VDO | 4 | ||
| Enable voltage (recommended) | VEN | 0 | V | Maximum VIN | 4 | ||
| Output current (recommended) | IL | -10 | 10 | mA | 4 | ||
| Operating temperature (recommended) | TA | -40 | 25 | 125 | ℃ | 4 | |
| Input voltage | VIN | -0.3 | 6 | V | 4 | ||
| Enable voltage | VEN | -0.3 | V | Maximum VIN + 0.3 | 4 | ||
| Output voltage | VREF | -0.3 | 5.5 | V | 4 | ||
| Output short circuit current | ISC | 20 | mA | 4 | |||
| Operating temperature range | TA | -55 | 150 | °C | Over operating free-air temperature range | 4 | |
| Storage temperature range | Tstg | -65 | 170 | °C | 4 | ||
| Junction-to-ambient thermal resistance | RθJA | 185 | °C/W | DBV 5 pins | 4 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 156 | °C/W | DBV 5 pins | 4 | ||
| Junction-to-board thermal resistance | RθJB | 29.6 | °C/W | DBV 5 pins | 4 | ||
| Junction-to-top characterization parameter | ΨJT | 33.8 | °C/W | DBV 5 pins | 4 | ||
| Junction-to-board characterization parameter | ΨJB | 29.1 | °C/W | DBV 5 pins | 4 |
CAD (KiCad official)
- Symbol:
REF4132B50DBVRQ1 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
ref4132b50dbvrq1-etched.step/ref4132b50dbvrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ref4132b50dbvrq1.step/ref4132b50dbvrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (26 pp, sha256
501c7fd203a594ac, retrieved 2026-11-06, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).