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RS7533-1YE3L

Public Made by Adom

by adom

Jiangsu RUNIC Tech 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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RS7533-1YE3L

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

RS7533-1YE3L from Jiangsu RUNIC Tech, 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; the GND pin must be connected to the ground plane for proper heat dissipation.
2 VIN power_in Regulator input accepting up to 36V, with at least a 1µF supply bypass capacitor recommended.
3 VOUT power_out Regulator output with a recommended output capacitor range of 1µF to 10µF.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
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
Input Voltage VIN 36 V VOUT = 3.3V 5
Output Voltage Accuracy -2 0 2 % IOUT = 10mA 5
Ground Pin Current 2 3 μA No load 5
Maximum Output Current 70 100 mA 5
Dropout Voltage VDROP 526 800 mV IOUT =100mA, △Vo=2% 5
Line Regulation ΔVOUT ΔVIN × VOUT 0.05 0.2 %/V VIN = VOUT + 2V to 36V, IOUT = 1mA 5
Load Regulation ΔVOUT 25 60 mV VIN = VOUT+2V, IOUT = 1mA to 50mA 5
Output Voltage Temperature Coefficient ΔVOUT ΔTA × VOUT 100 ppm/°C IOUT = 1mA, FULL (-40°C to +85°C) 5
Absolute Maximum Input Voltage VIN -0.3 40 V 4
Junction Temperature TJ -40 150 °C 4
Storage Temperature Tstg -65 150 °C 4
ESD Human-Body Model V(ESD) -4000 4000 V Human-body model (HBM) 4
ESD Machine Model V(ESD) -100 100 V Machine model (MM) 4
Input Supply Voltage VIN 2.5 36 V 4
Output Current IOUT 0 150 mA 4
Capacitor of VOUT Pin COUT 1 22 μF 4
Operating Temperature TA -40 85 °C 4
Power Supply Rejection Ratio PSRR 58 dB VOUT = 3.3V, IOUT = 10mA, f = 217Hz, +25°C 5
Power Supply Rejection Ratio PSRR 40 dB VOUT = 3.3V, IOUT = 10mA, f = 1KHz, +25°C 5
Thermal Shutdown Temperature TSHDN 150 °C 5
Junction-to-ambient thermal resistance RθJA 165 °C/W SOT89-3L (L-Type) column 4
Junction-to-case (top) thermal resistance RθJC(top) 88.5 °C/W SOT89-3L (L-Type) column 4
Junction-to-board thermal resistance RθJB 39.6 °C/W SOT89-3L (L-Type) column 4
Junction-to-top characterization parameter ψJT 26.5 °C/W SOT89-3L (L-Type) column 4
Junction-to-board characterization parameter ψJB 49.7 °C/W SOT89-3L (L-Type) column 4
Junction-to-case (bottom) thermal resistance RJC(bot) 77.7 °C/W SOT89-3L (L-Type) column 4

CAD (KiCad official)

  • Symbol: RS7533-1YE3L
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: rs7533-1ye3l-etched.step / rs7533-1ye3l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs7533-1ye3l.step / rs7533-1ye3l.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (11 pp, sha256 818bd81e05d2139f, retrieved 2026-10-19, tier: lcsc)
  • 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