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ISL21080CIH320Z-TK

RENESAS · Voltage References · SOT-23

ISL21080CIH320Z-TK from RENESAS, in a SOT-23. 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; the Features list gives a 2.7V to 5.5V input range for the ISL21080-20 option.
2 VOUT power_out Voltage reference output, which is 2.048V for this ordering option and has output current capability of ±7mA.
3 GND power_in Ground connection for the device.

Key specifications

Parameter Value
Manufacturer RENESAS
Package SOT-23
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 -0.3 0.3 % TA = +25°C (Notes 8, 9) 5
Input Voltage Range VIN 2.7 5.5 V 5
Supply Current IIN 0.31 1.5 µA 5
Line Regulation VOUT/VIN 80 350 µV/V 2.7V ≤ VIN ≤ 5.5V 5
Load Regulation Sourcing VOUT/IOUT 25 100 µV/mA Sourcing: 0mA ≤ IOUT ≤ 7mA 5
Load Regulation Sinking VOUT/IOUT 50 350 µV/mA Sinking: -7mA ≤ IOUT ≤ 0mA 5
Temperature Range TA -40 85 °C 3
Supply Voltage VIN 2.7 5.5 V 3
VIN to GND VIN -0.5 6.5 V 3
Latch-Up 100 mA Tested per JESD-78B; Class 2, Level A 3
Storage Temperature Range -65 150 °C 3
Maximum Junction Temperature 107 °C 3
Thermal Resistance Junction-to-Ambient θJA 275 °C/W 3 Lead SOT-23 (Notes 6, 7) 3
Thermal Resistance Junction-to-Case θJC 110 °C/W 3 Lead SOT-23 (Notes 6, 7) 3
Output Voltage VOUT 2.048 V 5
Output Voltage Temperature Coefficient TC VOUT 50 ppm/°C 5
Short-Circuit Current ISC 50 mA TA = +25°C, VOUT tied to GND 5
Turn-On Settling Time tR 4 ms VOUT = ±0.1% with no load 5
Ripple Rejection -40 dB f = 120Hz 5
Output Voltage Noise eN 30 µVP-P 0.1Hz ≤ f ≤ 10Hz 5
Broadband Voltage Noise VN 52 µVRMS 10Hz ≤ f ≤ 1kHz 5
Noise Density 1.1 µV/Hz f = 1kHz 5
Thermal Hysteresis VOUT/TA 100 ppm TA = +165°C 5
Long Term Stability VOUT/t 50 ppm TA = +25°C 5

CAD (KiCad official)

  • Symbol: ISL21080CIH320Z-TK
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: isl21080cih320z-tk-etched.step / isl21080cih320z-tk-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); isl21080cih320z-tk.step / isl21080cih320z-tk.glb are the bare package body.

Provenance

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

  • Datasheet: RENESAS datasheet (23 pp, sha256 05c1616539f3b58d, retrieved 2026-11-02, 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