Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

XL1403

XINLUDA · Voltage Reference · SOP-8

XL1403 from XINLUDA, in a SOP-8. 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 supply voltage, 4.5 V to 30 V operating range (40 V absolute maximum).
2 Vout power_out Reference output of 2.5 V ± 25 mV, able to source up to 10 mA.
3 GND power_in Ground return for the reference (the -E terminal in the block diagram).
4 NC unconnected No connection.
5 NC unconnected No connection.
6 NC unconnected No connection.
7 NC unconnected No connection.
8 NC unconnected No connection.

Key specifications

Parameter Value
Manufacturer XINLUDA
Package SOP-8
Category Power Management (PMIC)
Pins 8

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 Vout 2.475 2.5 2.525 V IO = 0 mA; Vin = 15 V, TA = 25°C (table note) 2
Output Voltage Change (overspecified temperature range) ΔVO 7 mV Overspecified temperature range, XL/XD1403 -40 to +80°C 2
Line Regulation Regline 1.2 4.5 mV IO = 0 mA; 15 V ≤ VI ≤ 40 V 2
Line Regulation Regline 0.6 3 mV IO = 0 mA; 4.5 V ≤ VI ≤ 15 V 2
Load Regulation Regload 10 mV 0 mA < IO < 10 mA 2
Quiescent Current IQ 1.2 2 mA IO = 0 mA 2
Temperature Coefficient of Output Voltage ΔVO/ΔT 40 ppm/°C 2
Input Voltage VI 40 V 2
Storage Temperature Tstg -50 150 °C 2
Junction Temperature TJ 150 °C 2
Operating Ambient Temperature Range TA -40 80 °C XL/XD1403 2
Input Voltage Range VI 4.5 30 V Stated in features list 1
Output Current IO 10 mA Stated in features list (up to 10 mA) 1

CAD (KiCad official)

  • Symbol: XL1403
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: xl1403-etched.step / xl1403-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xl1403.step / xl1403.glb are the bare package body.

Provenance

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

  • Datasheet: XINLUDA datasheet (7 pp, sha256 68db7ef8bcef4b5f, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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