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AMS1117-1.2: 1 A Fixed 1.2 V LDO, SOT-223
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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.
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README.mdadded+35@@ -0,0 +1,35 @@+# AMS1117-1.2: 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](https://wiki.adom.inc/adom/large-automotive-eth-switch-molecule), fed from the 3.3 V rail.++Note: the sibling page [ams1117-3-3](https://wiki.adom.inc/adom/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 |
page.jsonadded+49@@ -0,0 +1,49 @@+{+ "slug": "ams1117-1-2",+ "title": "AMS1117-1.2: 1 A Fixed 1.2 V LDO, SOT-223",+ "type": "component",+ "version": "1.0.0",+ "description": "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.",+ "tags": [+ "ldo",+ "regulator",+ "1.2v",+ "sot-223",+ "ams1117",+ "power"+ ],+ "component": {+ "mpn": "AMS1117-1.2",+ "manufacturer": "AMS",+ "package": "SOT-223",+ "pin_count": 3,+ "category": "power",+ "symbol": "ams1117-1-2.kicad_sym",+ "footprint": "SOT-223-3_TabPin2.kicad_mod",+ "model3d": "ams1117-1-2.glb",+ "step": "ams1117-1-2.step",+ "datasheet_path": "http://www.advanced-monolithic.com/pdf/ds1117.pdf"+ },+ "hero": {+ "type": "billboard",+ "headline": "AMS1117-1.2 Fixed LDO",+ "subhead": "1.2 V, 1 A low-dropout regulator in SOT-223. Core rail supply for gigabit PHYs.",+ "screenshot": "docs/hero.png"+ },+ "files": [+ "ams1117-1-2.kicad_sym",+ "SOT-223-3_TabPin2.kicad_mod",+ "ams1117-1-2.glb",+ "ams1117-1-2.step",+ "ams1117-1-2.adom-lbr.json",+ "ams1117-1-2.lbr",+ "docs/hero.png",+ "docs/symbol.svg"+ ],+ "dependencies": {},+ "org": "adom",+ "author": {+ "name": "noah",+ "email": "[email protected]"+ }+}