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[New component request]: Generic low-power LDO 3.3V regulator (RT9193-33), with enable #13

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opened 2023-11-02 04:01:58 +00:00 by AllSpiceAlice · 1 comment
AllSpiceAlice commented 2023-11-02 04:01:58 +00:00
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Justification

No 3.3V LDO with enable in library. Used in ePaper reference design schematic

Component type

Passive

Where used

Page Turner PCB demo

Estimated annual quantity

500

Footprint

SOT-23 or equivalent

Part numbers

* Substitutions welcome.  220 mV dropout on this part. Not a hard spec, but something to compare to. <0.01uA standby current.
Richtek RT9193-33GB
Mouser 835-RT9193-33GB

Checklist (fill out later)

  • Checked library for existing parts
  • Price check
  • QTY check
  • Lead time check
  • Distributor part number
  • Datasheet review
  • Symbol review
  • Footprint review
  • Component check (symbol+footprint review)
  • Package check
  • Dimension check
  • Automotive grade
  • Space grade
  • FMEA analysis
### Justification No 3.3V LDO with enable in library. Used in ePaper reference design schematic ### Component type Passive ### Where used Page Turner PCB demo ### Estimated annual quantity 500 ### Footprint SOT-23 or equivalent ### Part numbers ```true * Substitutions welcome. 220 mV dropout on this part. Not a hard spec, but something to compare to. <0.01uA standby current. Richtek RT9193-33GB Mouser 835-RT9193-33GB ``` ### Checklist (fill out later) - [x] Checked library for existing parts - [x] Price check - [x] QTY check - [x] Lead time check - [x] Distributor part number - [ ] Datasheet review - [ ] Symbol review - [ ] Footprint review - [ ] Component check (symbol+footprint review) - [ ] Package check - [ ] Dimension check - [ ] Automotive grade - [ ] Space grade - [ ] FMEA analysis
AllSpiceAlice added this to the Page turner Epaper PCB milestone 2023-11-02 04:01:58 +00:00
allspice-kyle was assigned by AllSpiceAlice 2023-11-02 04:01:58 +00:00
allspice-kyle added the
info needed
 label 2023-11-03 01:05:39 +00:00
allspice-kyle commented 2023-11-03 01:07:46 +00:00
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@AllSpiceUser Is this still required?

NanoS3 appears to have an integrated 3V3 LDO: https://github.com/UnexpectedMaker/esp32s3/blob/main/schematics/schematic-nanos3.pdf

@AllSpiceUser Is this still required? NanoS3 appears to have an integrated 3V3 LDO: https://github.com/UnexpectedMaker/esp32s3/blob/main/schematics/schematic-nanos3.pdf
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Reference: AllSpice-Demos/AllSpice-epaper-demo-library#13
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