# REF3430TIDBVR

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

REF3430TIDBVR 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 | NC | unconnected | Not connected; the pin can be left floating or connected to a voltage within the device operating range. |
| 2 | GND | power_in | Device ground connection. |
| 3 | NC | unconnected | Not connected; the pin can be left floating or connected to a voltage within the device operating range. |
| 4 | IN | power_in | Input supply voltage connection, with a recommended maximum of 12 V and an absolute maximum of 13 V. |
| 5 | NC | unconnected | Not connected; the pin can be left floating or connected to a voltage within the device operating range. |
| 6 | VOUT | output | Reference voltage output connection, with an absolute maximum output voltage of 5.5 V. |

## 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 accuracy |  | -0.05 |  | 0.05 | % | TA = 25°C | 6 |
| Output voltage temperature coefficient |  |  | 2.5 | 6 | ppm/°C | -40°C ≤ TA ≤ 125°C | 6 |
| Line regulation | ΔVO/ΔVIN |  | 2 | 15 | ppm/V | VIN = VOUT + VDO (2) to 12V | 6 |
| Load regulation sourcing | ΔVO/ΔIL |  | 20 | 30 | ppm/mA | IL = 0mA to 10mA, VIN = VOUT+ VDO (3) Sourcing | 6 |
| Load regulation sinking REF3430 | ΔVO/ΔIL |  | 43 | 75 | ppm/mA | IL = 0mA to -10mA, VIN = VOUT+ VDO, TA = 25°C (3) Sinking, REF3430 | 6 |
| Short circuit current | ISC |  | 18 | 22 | mA | VOUT = 0V at TA = 25°C | 6 |
| Stable output capacitor range | CL | 0.1 |  | 10 | µF | -40°C ≤ TA ≤ 125°C | 6 |
| Quiescent current active mode | IQ |  | 72 | 95 | µA | Active mode | 7 |
| Quiescent current shutdown mode | IQ |  | 2.5 | 3 | µA | Shutdown mode | 7 |
| ENABLE pin leakage current | IEN |  | 1 | 2 | µA | VEN = VIN = 12V | 7 |
| Dropout voltage IL = 0mA | VDO |  | 50 | 100 | mV | IL = 0mA | 7 |
| Dropout voltage IL = 10mA | VDO |  | 500 |  | mV | IL = 10mA | 7 |
| ENABLE pin voltage, active mode | VEN |  | 1.6 |  | V | Voltage reference in active mode (EN = 1) | 7 |
| ENABLE pin voltage, shutdown mode | VEN |  | 0.5 |  | V | Voltage reference in shutdown mode (EN = 0) | 7 |
| Output current capacity | IL | -10 |  | 10 | mA | VIN = VOUT + VDO to 12V | 6 |
| Turn-on time | tON |  | 2.5 |  | ms | 0.1% of output voltage settling, CL = 10µF | 6 |
| Long-term stability 0 to 1000h |  |  | 25 |  | ppm | 0 to 1000h at 35°C | 6 |
| Long-term stability 1000h to 2000h |  |  | 10 |  | ppm | 1000h to 2000h at 35°C | 6 |
| Output voltage thermal hysteresis cycle 1 |  |  | 30 |  | ppm | 25°C, -40°C,125°C, 25°C Cycle 1 | 6 |
| Output voltage thermal hysteresis cycle 2 |  |  | 10 |  | ppm | 25°C, -40°C,125°C, 25°C Cycle 2 | 6 |
| Output voltage REF3430T | VOUT |  | 3 |  | V | REF3430, REF3430T | 6 |
| Input voltage | IN |  |  | 12 | V | Min VOUT + VDO (1) | 5 |
| Enable voltage | EN | 0 |  |  | V | Max IN | 5 |
| Output current | IL | -10 |  | 10 | mA |  | 5 |
| Operating temperature | TA | -40 | 25 | 125 | °C | Operating free-air temperature range | 5 |
| Input voltage | IN | -0.3 |  | 13 | V |  | 5 |
| Enable voltage | EN | -0.3 |  |  | V | Max IN + 0.3 V | 5 |
| Output voltage | VOUT | -0.3 |  | 5.5 | V |  | 5 |
| Output short circuit current | ISC |  |  | 20 | mA |  | 5 |
| Operating temperature range | TA | -55 |  | 150 | °C | Over operating free-air temperature range | 5 |
| Storage temperature range | Tstg | -65 |  | 170 | °C |  | 5 |
| Junction-to-ambient thermal resistance | RθJA |  | 122.6 |  | °C/W | DBV 6-pin package | 5 |
| Junction-to-case (top) thermal resistance | RθJC(top) |  | 80.2 |  | °C/W | DBV 6-pin package | 5 |
| Junction-to-board thermal resistance | RθJB |  | 42 |  | °C/W | DBV 6-pin package | 5 |
| Junction-to-top characterization parameter | ΨJT |  | 23.2 |  | °C/W | DBV 6-pin package | 5 |
| Junction-to-board characterization parameter | ΨJB |  | 41.9 |  | °C/W | DBV 6-pin package | 5 |

## CAD (KiCad official)

- Symbol: `REF3430TIDBVR`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `ref3430tidbvr-etched.step` / `ref3430tidbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ref3430tidbvr.step` / `ref3430tidbvr.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/lit/ds/symlink/ref34.pdf) (29 pp, sha256 `bc3198207e013320`, retrieved 2026-11-05, tier: manufacturer)
- **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](docs/ref3430tidbvr-datasheet.pdf)