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JY1107-1.8X

Shenzhen JingYang · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

JY1107-1.8X from Shenzhen JingYang, 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 GND/ADJ power_in Ground pin on the fixed-output versions and the adjust input on the adjustable version, where VOUT = VREF x (1+R2/R1) + IADJ x R2.
2 VOUT power_out Regulator output; the adjustable version requires an output capacitor of at least 22 µF (tantalum) for stability, while fixed-output versions may use smaller capacitors.
3 VIN power_in Regulator input; absolute maximum input voltage is 20 V and recommended input voltage is 15 V.

Key specifications

Parameter Value
Manufacturer Shenzhen JingYang
Package SOT-23
Category Power Management (PMIC)
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
Reference / output voltage, fixed 1.8V version (TJ=25°C limit) VREF 1.782 1.8 1.818 V IOUT=10mA, VIN=3.8V, TJ=25°C, 0≤IOUT≤700mA, 3.2V≤VIN≤10V 2
Reference / output voltage, fixed 1.8V version (full operating temperature limit) VREF 1.764 1.8 1.836 V IOUT=10mA, VIN=3.8V, TJ=25°C, 0≤IOUT≤700mA, 3.2V≤VIN≤10V 2
Dropout voltage at IOUT=100mA Vdrop 1 1.05 1.1 V IOUT=100mA 3
Dropout voltage at IOUT=500mA Vdrop 1.2 1.25 1.3 V IOUT=500mA 3
Quiescent current Iq 5 10 mA 4.25V≤VIN≤6.5V 3
Line regulation Rline 3 7 mV VINMIN ≤VIN≤ 12V, VOUT=Fixed/Adj, IOUT=10mA 3
Load regulation Rload 6 12 mV 10mA≤IOUT 700MA, VOUT=Fixed/Adj 3
Ripple rejection (PSRR) PSRR 60 75 dB fRIPPLE=120Hz, (VIN-VOUT)=3V, VRIPPLE=1VPP 3
Input voltage VIN 20 V 2
Lead temperature (soldering) TLead 260 °C 焊接5秒 2
Operating junction temperature range (absolute maximum) TJ 150 °C 2
Storage temperature TSTG -65 150 °C 2
ESD capability (minimum) ESD 2000 V 2
Input voltage (recommended) VIN 15 V 2
Operating junction temperature range (recommended) TJ -40 125 °C 2

CAD (KiCad official)

  • Symbol: JY1107-1.8X
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: jy1107-1-8x-etched.step / jy1107-1-8x-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jy1107-1-8x.step / jy1107-1-8x.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen JingYang datasheet (6 pp, sha256 3c65c9b2c2290bcf, retrieved 2026-10-16, 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 0.3, 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