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

AMS1117CD-3.3-HXY

HXY MOSFET · Linear Voltage Regulators (LDO) · TO-252-2L

AMS1117CD-3.3-HXY from HXY MOSFET, in a TO-252-2L. 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 Ground reference terminal of the regulator, labelled GND in the pin list on the first page.
2 OUT power_out Regulated output terminal, which delivers up to 1A with a voltage drop of 1.2V at 1A output current.
3 IN power_in Unregulated input terminal, with an absolute maximum input voltage of 18V and a recommended input voltage of 12V.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package TO-252-2L
Category Power Supply Chip
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 VOUT 3.25 3.3 3.349 V IOUT=10mA, VIN=5V, TJ=25°C, 0≤IOUT≤1A, 4.75V≤VIN≤10V 3
Output voltage (full temperature range) VOUT 3.235 3.3 3.365 V IOUT=10mA, VIN=5V, TJ=25°C, 0≤IOUT≤1A, 4.75V≤VIN≤10V 3
Quiescent current Iq 5 10 mA 4.25V≤VIN≤6.5V 4
Ripple rejection ratio PSRR 50 60 dB fRIPPLE=120Hz, (VIN-VOUT)=3V, VRIPPLE=1VPP 4
Adjustable current Iadj 60 120 uA 4
Adjustable pin current change 0.2 5 uA 0≤ IOUT≤800mA, 1.4V ≤VIN-VOUT≤10V 4
Current-limiting protection Ilimit 1.4 1.6 1.8 A 4
Temperature protection TSD 150 ℃ 4
Dropout voltage Vdrop 1 1.2 V IOUT=100mA 3
Dropout voltage Vdrop 1.05 1.25 V IOUT=500mA 3
Dropout voltage Vdrop 1.2 1.3 V IOUT=1A 3
Line regulation Rline 6 15 mV VINMIN ≤VIN≤ 12V, VOUT=Fixed/Adj, Iout=10mA 3
Load regulation Rload 6 18 mV 10mA≤IOUT≤1A, VOUT=Fixed/Adj 3
Temperature stability of output voltage TSout 0.3 % 3
Temperature stability 0.5 % 4
RMS output noise 0.005 % % of VOUT, 10Hz≤f≤10kHz 4
Input voltage Vin 18 V 1
Pin temperature (welding 5 seconds) Tlead 260 ℃ welding 5 seconds 1
Working junction temperature range Tj 150 ℃ 1
ESD capability (minimum) ESD 2000 V 1
Operating junction temperature range TOPR -40 125 ℃ 1
Storage temperature range TSTG -65 150 ℃ 1
Input voltage (recommended) Vin 12 V 2
Working junction temperature range (recommended) Tj -40 125 ℃ 2
Thermal resistance, junction to ambient (no heat sink), TO-252-2L 100 ℃/W No heat sink 4

CAD (KiCad official)

  • Symbol: AMS1117CD-3.3-HXY
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252-2L (KiCad packages3D, STEP)
  • 3D model files: ams1117cd-3-3-hxy-etched.step / ams1117cd-3-3-hxy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ams1117cd-3-3-hxy.step / ams1117cd-3-3-hxy.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (8 pp, sha256 2dfc475be0877e3e, retrieved 2026-10-27, 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