hardware
AMS1117-1.2: 1 A Fixed 1.2 V LDO, SOT-223
Public Made by Adomby adom
AMS AMS1117-1.2 low-dropout linear regulator, fixed 1.2 V output, 1 A output current, 1.3 V max dropout, SOT-223 package with tab on pin 2.
3D Model
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Contents
README
markdownAMS1117-1.2: 1 A Fixed 1.2 V LDO, SOT-223
Fixed 1.2 V variant of the ubiquitous AMS1117 1 A low-dropout linear regulator, in the SOT-223 package with the tab carrying VOUT (pin 2). Needs a 22 uF output capacitor for stability per the datasheet.
Key specs
| Parameter | Value |
|---|---|
| Output voltage | 1.2 V fixed |
| Output current | 1 A |
| Dropout | 1.3 V max at 1 A |
| Input range | up to 15 V |
| Package | SOT-223, tab = pin 2 (VOUT) |
Where it is used
Supplies the KSZ9131 gigabit PHY 1.2 V core rail (U902) on the Large Automotive Eth Switch Molecule, fed from the 3.3 V rail.
Note: the sibling page ams1117-3-3 covers the 3.3 V variant.
Ordering
| Vendor | Part number |
|---|---|
| AMS / UMW and second sources | AMS1117-1.2 |
Files
| File | What |
|---|---|
ams1117-1-2.kicad_sym |
KiCad symbol (3 pins) |
SOT-223-3_TabPin2.kicad_mod |
KiCad footprint |
ams1117-1-2.step / ams1117-1-2.glb |
3D model |
ams1117-1-2.lbr |
Fusion 360 / EAGLE library |
ams1117-1-2.adom-lbr.json |
adom-lbr canonical JSON |