component
SD6303E33A
Public Made by Adomby adom
SHOUDING DC-DC Converters, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 13d ago |
| viewers | 12d ago |
| package.json | 13d ago |
| page.json | 12d ago |
| README.md | 13d ago |
| sd6303e33a-etched.glb | 13d ago |
| sd6303e33a-etched.step | 13d ago |
| sd6303e33a-hero.glb | 12d ago |
| sd6303e33a-hero.overlay.json | 13d ago |
| sd6303e33a.glb | 13d ago |
| sd6303e33a.kicad_mod | 13d ago |
| sd6303e33a.kicad_sym | 13d ago |
| sd6303e33a.lbr | 13d ago |
| sd6303e33a.step | 13d ago |
SD6303E33A
SHOUDING · DC-DC Converters · SOT-23
SD6303E33A from SHOUDING, 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 | power_in | Power ground. |
| 2 | LX | output | Switching signal output that connects to the inductor and Schottky diode; maximum LX current is 1000 mA and maximum voltage is 7 V. |
| 3 | VOUT | power_in | Output voltage sense/supply pin (listed as input voltage in the pin table); maximum voltage is 7 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SHOUDING |
| 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 |
|---|---|---|---|---|---|---|---|
| Input voltage | VINMAX | 0.7 | V | upper limit printed as VOUT | 6 | ||
| Current limit | ILIMIT | 600 | 800 | 1000 | mA | 6 | |
| Output voltage accuracy | ΔVOUT | -2.5 | 2.5 | % | 6 | ||
| EN low input current | -0.1 | uA | 6 | ||||
| EN high input current | 0.1 | uA | 6 | ||||
| EN low voltage | 0.2 | V | 6 | ||||
| EN high voltage | 0.4 | xVOUT | 0.4*VOUT | 6 | |||
| Start-up voltage | VSTART | 0.8 | V | ILOAD=1mA, VIN from 0V to 2V | 6 | ||
| Hold voltage | VHOLD | 0.6 | V | ILOAD=1mA, VIN from 2V to 0V | 6 | ||
| No-load input current | IIN0 | 15 | uA | VIN=1.8V, VOUT=3.3V | 6 | ||
| Standby input current | IINQ | 1 | uA | no load, EN low | 6 | ||
| Maximum oscillation frequency | FMAX | 300 | KHz | 6 | |||
| Maximum duty cycle | DCOSC | 83 | % | 6 | |||
| Maximum voltage on VOUT and LX | VMAX | 7 | V | 5 | |||
| EN pin voltage range | VMIN_MAX | -0.3 | V | max = VOUT+0.3 | 5 | ||
| Maximum LX current | ILX_MAX | 1000 | mA | 5 | |||
| Maximum power dissipation SOT-23 | PSOT-23 | 0.25 | W | 5 | |||
| Operating temperature range | TA | -20 | 85 | °C | 5 | ||
| Storage temperature range | TSTG | -40 | 125 | °C | 5 | ||
| Soldering temperature | TSD | 230 | 240 | °C | time less than 30 s | 5 | |
| ESD voltage (HBM) | VESD | 2000 | V | human body model | 5 | ||
| Output voltage temperature coefficient | 100 | ppm/°C | printed as less than 100ppm/°C | 8 |
CAD (KiCad official)
- Symbol:
SD6303E33A - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
sd6303e33a-etched.step/sd6303e33a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sd6303e33a.step/sd6303e33a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SHOUDING datasheet (13 pp, sha256
9d4ffb67082e3f06, retrieved 2026-10-26, 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, primaryclaude-sonnet-5-5(text), consensusclaude-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).