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HG1118M-3315

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by Ray

HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Datasheet

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Contents

README

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HG1118M-3315

HGSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · ESOP-8

HG1118M-3315 from HGSEMI, in a ESOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND/ADJ1 power_in Ground / adjust pin for regulator 1. On fixed-voltage versions (3.3V here) this pin is the regulator ground reference. On adjustable variants it becomes the ADJ feedback node (VREF = 1.25V).
2 VIN1 power_in Input supply for regulator 1 (3.3V output). Recommended operating input 12V, absolute maximum 15V. Requires input bypass capacitor (typ. 10 uF).
3 GND/ADJ2 power_in Ground / adjust pin for regulator 2. On fixed-voltage versions (1.5V here) this is the regulator ground reference. On adjustable variants it becomes the ADJ feedback node (VREF = 1.25V).
4 VIN2 power_in Input supply for regulator 2 (1.5V output). Recommended operating input 12V, absolute maximum 15V. Requires input bypass capacitor (typ. 10 uF).
5 VOUT2 power_out Regulated output of regulator 2 (1.5V nominal for the -3315 variant). Tied together with pin 6 on the package. Requires output capacitor (>=22 uF for adjustable, smaller acceptable for fixed).
6 VOUT2 power_out Regulated output of regulator 2 (1.5V nominal for the -3315 variant). Tied together with pin 5 on the package.
7 VOUT1 power_out Regulated output of regulator 1 (3.3V nominal for the -3315 variant). Tied together with pin 8 on the package. Requires output capacitor (>=22 uF for adjustable, smaller acceptable for fixed).
8 VOUT1 power_out Regulated output of regulator 1 (3.3V nominal for the -3315 variant). Tied together with pin 7 on the package.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package ESOP-8
Category PMIC
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • HG1118M-3315

CAD (KiCad official)

  • Symbol: HG1118M-3315
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm
  • 3D model: ESOP-8 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HGSEMI datasheet (10 pp, sha256 b96732d7b751a79e, retrieved 2026-08-17, 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: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF