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RS3236-3.3YF5

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Jiangsu RUNIC Tech RS3236 3 3YF5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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RS3236-3.3YF5

Jiangsu RUNIC Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

RS3236-3.3YF5 from Jiangsu RUNIC Tech, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN power_in Regulator input supply. Accepts 1.7 V to 7.5 V (absolute max 8 V). Bypass to GND with a 1 µF ceramic capacitor placed close to the pin.
2 GND power_in Device ground reference. All voltages are referenced to this pin. Typical ground pin current is 15 µA (20 µA max) at no load.
3 EN input Enable input. Driving EN logic low (<0.4 V at VIN=1.7 V, <0.8 V at VIN=7.5 V) shuts the regulator down and reduces supply current to ~10 nA. VIH ≥1.4 V at VIN=1.7 V (≥2.3 V at VIN=7.5 V) enables the regulator. Tie to IN for always-on operation. Do not float.
4 BP passive Reference-noise bypass pin (fixed-voltage version). Connect a low-leakage 0.01 µF ceramic capacitor from BP to GND, placed very close to the pin, to reduce output noise and improve PSRR. Leave open if bypass is not desired.
5 OUT power_out Regulated 3.3 V output, up to 500 mA (current limit typ. 800 mA with foldback). Requires a 1 µF ceramic output capacitor to GND for stability. Load regulation ~20 mV (IOUT 0.1 mA to 300 mA).

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • RS3236-3.3YF5
  • RS3236-3.3YF5YC5
  • RS3236-3.3YF5YUTDN4

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 1.7 7.5 V +25°C 5
Output Voltage Accuracy -2.5 2.5 % IOUT = 0.1mA, +25°C 5
Current Limit ILIM 500 800 mA +25°C 5
Ground Pin Current IQ 15 20 µA No load, +25°C 5
Dropout Voltage VDROP 450 550 mV IOUT = 300mA, VOUT=3.3V, +25°C 5
Line Regulation ΔVLNR 0.1 0.2 %/V VIN = (VOUT + 0.5V) to 7.5V, IOUT = 1mA, +25°C 5
Load Regulation ΔVOUT 20 40 mV IOUT = 0.1mA to 300mA, COUT = 1µF, +25°C 5
EN Input Threshold VIH (VIN = 1.7V) VIH 1.4 V VIN = 1.7V, Full (-40°C to +85°C) 5
EN Input Threshold VIL (VIN = 1.7V) VIL 0.4 V VIN = 1.7V, Full (-40°C to +85°C) 5
EN Input Threshold VIH (VIN = 7.5V) VIH 2.3 V VIN = 7.5V, Full (-40°C to +85°C) 5
EN Input Threshold VIL (VIN = 7.5V) VIL 0.8 V VIN = 7.5V, Full (-40°C to +85°C) 5
EN Input Bias Current (high) IBH 0.01 1 µA EN = 7.5V, +25°C 5
Shutdown Supply Current IQ(SHDN) 0.01 1 µA EN = 0V, Full 5
Absolute max input voltage VIN -0.3 8 V All voltages with respect to GND 4
Absolute max enable input voltage VEN -0.3 V Maximum printed as VIN (symbolic, no number) 4
Absolute max junction temperature TJ 150 °C 4
Storage temperature Tstg -65 150 °C 4
Electrostatic discharge, human-body model V(ESD) -6000 6000 V Human-body model (HBM) 4
Electrostatic discharge, machine model V(ESD) -400 400 V Machine model (MM) 4
Input supply voltage VIN 1.7 7.5 V 4
Enable input voltage VEN 0 V Maximum printed as VIN (symbolic, no number) 4
Output current IOUT 0 500 mA 4
Junction temperature TJ -40 85 °C 4
Output Noise Voltage en 80 µVRMS f = 10Hz to 100kHz, CBP = 0.01µF, COUT = 10µF, IOUT=30mA, +25°C 5
Reverse-free EN Input Bias Current (low) IBL 0.01 µA EN = 0V, Full 5
Thermal Shutdown Temperature TSHDN 140 °C 5
Start-Up Time tSTR 180 µs COUT = 1μF, No Load, +25°C 5
Power Supply Rejection Ratio PSRR 72 dB CBP = 0μF, ILOAD = 30mA, COUT = 1μF, VIN = VOUT+1V, ΔVRIPPLE=0.2VP-P, f = 217Hz, +25°C 5
Power Supply Rejection Ratio PSRR 70 dB CBP = 0μF, ILOAD = 30mA, COUT = 1μF, VIN = VOUT+1V, ΔVRIPPLE=0.2VP-P, f = 1kHz, +25°C 5
Power Supply Rejection Ratio PSRR 74 dB CBP = 0.01μF, ILOAD = 30mA, COUT = 1μF, VIN = VOUT+1V, ΔVRIPPLE=0.2VP-P, f = 217Hz, +25°C 5
Junction-to-ambient thermal resistance (SOT23-5) RθJA 185.6 °C/W 4
Junction-to-case (top) thermal resistance (SOT23-5) RθJC(top) 104.3 °C/W 4
Junction-to-board thermal resistance (SOT23-5) RθJB 54.5 °C/W 4
Junction-to-top characterization parameter (SOT23-5) ψJT 31 °C/W 4
Junction-to-board characterization parameter (SOT23-5) ψJB 54.5 °C/W 4

CAD (KiCad official)

  • Symbol: RS3236-3.3YF5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: rs3236-3-3yf5-etched.step / rs3236-3-3yf5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs3236-3-3yf5.step / rs3236-3-3yf5.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
rs3236-3-3yf5.step 85 KB You want the bare part, or you mark your own boards.
rs3236-3-3yf5-etched.step 2.7 MB You want the part with RS3236-3.3YF5 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 633 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (11 pp, sha256 3b53b4ddc5170c45, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF