# REF3230AIDBVR

**Texas Instruments** · Voltage Reference · SOT-23-6

REF3230AIDBVR from Texas Instruments, in a SOT-23-6. 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 | GND_F | power_in | Device ground connection and return path to ground plane. |
| 2 | GND_S | input | Remote ground sense input for load-end ground monitoring; maintains maximum 200mV differential voltage with GND_F. |
| 3 | ENABLE | input | Digital enable/shutdown control input; ≥1.5V for active mode, ≤0.7V for shutdown (quiescent current <1µA). |
| 4 | IN | power_in | Positive power supply input; 3.05V to 5.5V for REF3230, requires minimum 50mV above reference output voltage. |
| 5 | OUT_S | input | Remote output sense input for load-end voltage feedback to enable precision remote regulation and dropout compensation. |
| 6 | OUT_F | output | 3.0V precision reference output for REF3230 (±0.2% accuracy, ±10mA output current, 4-7ppm/°C drift 0-125°C). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-6 |
| Category | Power Management (PMIC) |
| Pins | 6 |

## 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 (REF3230, 3 V) | VOUT | 2.994 | 3 | 3.006 | V |  | 4 |
| Initial accuracy |  | -0.2 | 0.01 | 0.2 | % |  | 5 |
| Output voltage temperature drift, 0°C to +125°C | dVOUT/dT |  | 4 | 7 | ppm/°C | 0°C ≤ TA ≤ +125°C | 5 |
| Output voltage temperature drift, -40°C to +125°C | dVOUT/dT |  | 10.5 | 20 | ppm/°C | -40°C ≤ TA ≤ +125°C | 5 |
| Line regulation |  | -65 | 15 | 65 | ppm/V | VOUT + 0.05 ≤ VIN ≤ 5.5V | 5 |
| Load regulation, sourcing | dVOUT/dILOAD | -40 | 3 | 40 | µV/mA | 0mA < ILOAD < 10mA, VIN = VOUT + 250mV | 5 |
| Load regulation, sinking | dVOUT/dILOAD | -60 | 20 | 60 | µV/mA | -10mA < ILOAD < 0mA, VIN = VOUT + 100mV | 5 |
| Dropout voltage | VIN – VOUT |  | 5 | 50 | mV | 0°C ≤ TA ≤ +125°C | 5 |
| Output current | ILOAD | -10 |  | 10 | mA | VIN = VOUT + 250mV | 5 |
| Enable threshold, reference shutdown | VL | 0 |  | 0.7 | V | Reference in shutdown mode | 5 |
| Enable threshold, reference active | VH | 1.5 |  |  | V | Reference active | 5 |
| Input supply voltage | VIN |  |  | 5.5 | V | Minimum is VOUT + 0.05 V (not a fixed number) | 6 |
| Quiescent current | IQ |  | 110 | 130 | µA | ENABLE > 1.5V | 6 |
| Quiescent current over temperature | IQ |  | 125 | 145 | µA | 0°C ≤ TA ≤ +125°C | 6 |
| Shutdown supply current | IS |  | 0.1 | 1 | µA | ENABLE < 0.7V | 6 |
| Specified temperature range | TA | -40 |  | 125 | °C | Rated range | 6 |
| Operating temperature | TA | -55 |  | 135 | °C |  | 4 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 4 |
| Input voltage | VIN |  |  | 7.5 | V |  | 4 |
| Junction temperature | TJ |  |  | 150 | °C |  | 4 |
| Thermal resistance, junction to ambient, SOT-23-6 | θJA |  | 200 |  | °C/W |  | 6 |

## CAD (KiCad official)

- Symbol: `REF3230AIDBVR`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `ref3230aidbvr-etched.step` / `ref3230aidbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ref3230aidbvr.step` / `ref3230aidbvr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ref3220) (28 pp, sha256 `4085cf61cd12affb`, retrieved 2026-09-24, 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 0.2`, 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](docs/ref3230aidbvr-datasheet.pdf)