component

H8118A33PR

Public Made by Adom

by adom

Shanghai Siproin Microelectronics DC-DC Converters, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)h8118a33prfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 16d ago
viewers h8118a33pr: viewers · Ray 16d ago
h8118a33pr-etched.glb Publish 0.1.0 · Ray 16d ago
h8118a33pr-etched.step h8118a33pr: factory component page (tier=lcsc) · Ray 16d ago
h8118a33pr-hero.glb h8118a33pr: hero GLB from the etched model (keeps the MPN mark) · Ray 16d ago
h8118a33pr-hero.overlay.json Publish 0.1.0 · Ray 16d ago
h8118a33pr.glb Publish 0.1.0 · Ray 16d ago
h8118a33pr.kicad_mod Publish 0.1.0 · Ray 16d ago
h8118a33pr.kicad_sym Publish 0.1.0 · Ray 16d ago
h8118a33pr.lbr Publish 0.1.0 · Ray 16d ago
h8118a33pr.step Publish 0.1.0 · Ray 16d ago
package.json Publish 0.1.0 · Ray 16d ago
page.json Set visibility: public · Ray 16d ago
README.md Publish 0.1.0 · Ray 16d ago

H8118A33PR

Shanghai Siproin Microelectronics · DC-DC Converters · SOT-89-3

H8118A33PR from Shanghai Siproin Microelectronics, in a SOT-89-3. 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 GND power_in GND pin, the ground reference for the device.
2 VOUT power_out Output voltage pin; absolute maximum voltage is VSS-0.3 V to VSS+8 V, and the output is settable from 2.1 V to 5.5 V in 0.1 V steps.
3 LX output External inductor connection pin; absolute maximum voltage is VSS-0.3 V to VSS+8 V and absolute maximum pin current is 1000 mA.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-89-3
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
Output Voltage Operating Start (VOUT pin voltage, absolute) VOUT -0.3 8 V Referenced to VSS 2
EN Pin Voltage EN -0.3 8 V Referenced to VSS 2
LX Pin Voltage VLX -0.3 8 V Referenced to VSS 2
LX Pin Current ILX 1000 mA 2
Power Dissipation (SOT-89-3) PD 500 mW 2
Operating Temperature TOPR -40 85 ℃ 2
Storage Temperature TSTG -40 125 ℃ 2
Soldering Temperature TSOLDER 260 ℃ 10 s 2
Input Voltage VIN 7.5 V 3
Operation Start Voltage VST1 0.9 V IOUT=1mA, VOUT=2.2V~4.2V 3
Input Current At No Load ISS 15 25 uA VIN=1.8V, VOUT=3.0V 3
Input Current At No Load ISS 25 35 uA VIN=0.9V, VOUT=3.0V 3
Current Consumption 2 ISS2 6 10 uA VOUT=VOUT(s)+0.5V 3
Current Consumption During Shutdown ISSS 1 uA VEN=0V 3
Maximum Oscillation Frequency fosc 300 KHz VOUT=0.95xVOUT(s), measure waveform at LX pin 3
Duty Ratio1 Duty1 70 78 85 % VOUT=0.95xVOUT(s) 3
Efficiency EFF1 90 % 3
Shutdown Pin Input Voltage (high) VSH 0.75 V 3
Oscillation Stop at LX pin (shutdown pin input voltage low) VSL1 0.3 V VOUT=0.95xVOUT(s), judge oscillation at LX pin 3
Shutdown Pin Input Current (high) ISH -0.1 0.1 uA VEN=6V 3
Shutdown Pin Input Current (low) ISL -0.1 0.1 uA VEN=0V 3

CAD (KiCad official)

  • Symbol: H8118A33PR
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: h8118a33pr-etched.step / h8118a33pr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h8118a33pr.step / h8118a33pr.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (6 pp, sha256 b86cbaa950a423ac, retrieved 2026-10-17, tier: lcsc)
  • 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