ADP121 Part Review

A

adrian95

Review all available part information (MPN, package, pin count, description, properties). If no datasheet URL is already set, search the web for the official datasheet and update the part's Datasheet property with the URL. Then cross-check the schematic symbol, footprint, and pin descriptions against the datasheet. Summarize key specs and flag any mismatches.

flux

I’ll audit the part metadata, locate and attach the official datasheet if needed, then verify the symbol, footprint, and pin descriptions against it and report any mismatches.

flux

Reviewed the part against the official Analog Devices ADP121 Rev. G datasheet.
  • Correct: MPN, manufacturer, 5-pin count, fixed 3.3 V variant, UJ-5/TSOT-23-5 package, symbol pin numbering/names, 0.95 mm footprint pitch, and pin-1 marking.
  • Key specs: 2.3–5.5 V input, 150 mA output, 120 mV typical dropout at 150 mA, 11 µA typical no-load current, −40°C to +125°C, and ≥1 µF X5R/X7R capacitors on VIN and VOUT.
  • Datasheet: already populated, so it was not changed. The authoritative source is Analog Devices ADP121 Rev. G.
  • Mismatch: every terminal currently has Pin Type: Unspecified and lacks a detailed pin description. VIN should be power input, GND ground, EN input, NC no-connect, and VOUT power output.
  • Metadata issues: library search reports the mount as “Wire”, although this is an SMD TSOT package. The description also states 135 mV maximum dropout, while the official 3.3 V TSOT specification is 120 mV typical / 180 mV maximum at 150 mA.
Fix metadata issues
Update official datasheet
Verify footprint dimensions
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Files

Pins

Symbol

Layout

3D View

GND
Pin Number
2
VOUT
Pin Number
5
NC
Pin Number
4
VIN
Pin Number
1
EN
Pin Number
3
Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
VIN
1
Unspecified
GND
2
Unspecified
EN
3
Unspecified
NC
4
Unspecified
VOUT
5
Unspecified

ADP121-AUJZ33R7