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HT7533-2AF

Public Made by Adom

by adom

FOSAN Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT7533-2AF

FOSAN · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L

HT7533-2AF from FOSAN, in a SOT-89-3L. 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 pin for the regulator; the datasheet gives no further function or limit for this pin.
2 Vi power_in Input voltage pin, rated at a maximum of 30 V (Vi absolute maximum), with a typical dropout of 0.1 V.
3 Vo power_out Regulated output pin, specified for an output current of 100 mA in the datasheet ratings (IO 100 mA).

Key specifications

Parameter Value
Manufacturer FOSAN
Package SOT-89-3L
Category Power Management (PMIC)
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 VO 3.201 3.3 3.399 V IO=10mA VI=5.5V 2
Output Current IO 60 100 mA VI=5.5V 2
Dropout Voltage VD 100 mV IO=1mA 2
Quiescent Current Iq 2 3 µA VI=5.5V IO=0 2
Line Regulation ΔVO/ΔVi*VO 0.2 %/V IO=1mA 4.5<VI<24 2
Load Regulation ΔVO 100 150 mV 1mA<IO<20mA VI=5.5V 2
Temperature Coefficient ΔVO/ΔTa 0.5 mV/℃ IO=10mA VI=5.5V 0℃<Ta<70℃ 2
Input Voltage Vi 30 V 1
Operating Current IO 100 mA 1
Power Dissipation PD 400 mW 1
Solder Temperature/Time Td 260 ℃ time 10 S (printed as 260/10 ℃/S) 1
Operating Ambient Temperature TA -25 70 ℃ 1
Junction and Storage Temperature TJ,Tstg -50 125 ℃ 1
Thermal Resistance Junction-Ambient RΘJA 306 ℃/W 1

CAD (KiCad official)

  • Symbol: HT7533-2AF
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: ht7533-2af-etched.step / ht7533-2af-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht7533-2af.step / ht7533-2af.glb are the bare package body.

Provenance

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

  • Datasheet: FOSAN datasheet (10 pp, sha256 d84db127909ac80a, retrieved 2026-10-21, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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