# ISL21080DIH310Z-TK

**RENESAS** · Voltage References · SOT-23-3

ISL21080DIH310Z-TK from RENESAS, 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 | VIN | power_in | Input voltage connection, specified for 2.7V to 5.5V on the ISL21080-10 option (absolute maximum -0.5V to +6.5V relative to GND). |
| 2 | VOUT | output | Voltage reference output of 1.024V (±0.7% initial accuracy) with ±7mA output current capability. |
| 3 | GND | power_in | Ground connection. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RENESAS |
| Package | SOT-23-3 |
| Category | Power Management ICs |
| 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 |
|---|---|---|---|---|---|---|---|
| VOUT Accuracy at TA=+25°C | VOA | -0.7 |  | 0.7 | % | TA = +25°C | 4 |
| Input Voltage Range | VIN | 2.7 |  | 5.5 | V |  | 4 |
| Supply Current | IIN |  | 0.31 | 1.5 | µA |  | 4 |
| Line Regulation | ΔVOUT/ΔVIN |  | 80 | 350 | µV/V | 2.7V ≤ VIN ≤ 5.5V | 4 |
| Load Regulation (Sourcing) | ΔVOUT/ΔIOUT |  | 25 | 100 | µV/mA | Sourcing: 0mA ≤ IOUT ≤ 7mA | 4 |
| Load Regulation (Sinking) | ΔVOUT/ΔIOUT |  | 50 | 350 | µV/mA | Sinking: -7mA ≤ IOUT ≤ 0mA | 4 |
| VIN to GND |  | -0.5 |  | 6.5 | V |  | 3 |
| VOUT to GND (10s) |  | -0.5 |  |  | V | -0.5V to VOUT +1V (10s) | 3 |
| Storage Temperature Range |  | -65 |  | 150 | °C |  | 3 |
| Maximum Junction Temperature |  |  |  | 107 | °C |  | 3 |
| ESD HBM |  |  |  | 5 | kV | Tested to JESD22-A114 | 3 |
| ESD MM |  |  |  | 500 | V | Tested to JESD22-A115 | 3 |
| ESD CDM |  |  |  | 2 | kV | Tested to JESD22-C101 | 3 |
| Latch-Up |  |  |  | 100 | mA | JESD-78B; Class 2, Level A | 3 |
| X-Ray Exposure |  |  |  | 10 | mRem | Note 5 | 3 |
| Operating Temperature |  | -40 |  | 85 | °C |  | 3 |
| Supply Voltage |  | 2.7 |  | 5.5 | V |  | 3 |
| Thermal Resistance Junction-Ambient | θJA |  | 275 |  | °C/W | 3 Lead SOT-23 | 3 |
| Thermal Resistance Junction-Case | θJC |  | 110 |  | °C/W | 3 Lead SOT-23 | 3 |
| Output Voltage | VOUT |  | 1.024 |  | V |  | 4 |
| Output Voltage Temperature Coefficient | TC VOUT |  | 50 |  | ppm/°C |  | 4 |
| Short-Circuit Current | ISC |  | 50 |  | mA | TA = +25°C, VOUT tied to GND | 4 |
| Turn-On Settling Time | tR |  | 4 |  | ms | VOUT = ±0.1% with no load | 4 |
| Ripple Rejection |  |  | -40 |  | dB | f = 120Hz | 4 |
| Output Voltage Noise | eN |  | 30 |  | µVP-P | 0.1Hz ≤ f ≤ 10Hz | 4 |
| Broadband Voltage Noise | VN |  | 52 |  | µVRMS | 10Hz ≤ f ≤ 1kHz | 4 |
| Noise Density |  |  | 2.2 |  | µV/√Hz | f = 1kHz | 4 |
| Thermal Hysteresis | ΔVOUT/ΔTA |  | 100 |  | ppm | TA = +165°C | 4 |
| Long Term Stability | ΔVOUT/Δt |  | 50 |  | ppm | TA = +25°C | 4 |

## CAD (KiCad official)

- Symbol: `ISL21080DIH310Z-TK`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files: `isl21080dih310z-tk-etched.step` / `isl21080dih310z-tk-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `isl21080dih310z-tk.step` / `isl21080dih310z-tk.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [RENESAS datasheet](docs/isl21080dih310z-tk-datasheet.pdf) (23 pp, sha256 `05c1616539f3b58d`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/isl21080dih310z-tk-datasheet.pdf)