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RS3236-2.8YF5

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Jiangsu RUNIC Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RS3236-2.8YF5

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

RS3236-2.8YF5 from Jiangsu RUNIC Tech, in a SOT-23-5. 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 IN power_in Regulator input; supply voltage can range from 1.7V to 7.5V and the pin should be bypassed with a 1µF capacitor to GND.
2 GND power_in Ground.
3 EN input Enable input; a logic low reduces the supply current to 10nA, and the pin should be connected to IN for normal operation.
4 BP passive Reference-noise bypass (fixed voltage version only); bypass with a low-leakage 0.01µF ceramic capacitor placed very close to the pin for reduced output noise and high PSRR.
5 OUT power_out Regulator output.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

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
Maximum Output Current 500 mA +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
Ground Pin Current IQ 15 20 µA No load, +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 (-40°C to +85°C) 5
Absolute maximum input voltage VIN -0.3 8 V Voltages with respect to GND 4
Enable input voltage (absolute maximum) VEN -0.3 V Maximum is VIN (not a fixed number) 4
Junction temperature (absolute maximum) TJ 150 °C 4
Storage temperature Tstg -65 150 °C 4
ESD Human-body model V(ESD) -6000 6000 V Human-body model (HBM) 4
ESD Machine model V(ESD) -400 400 V Machine model (MM) 4
Input supply voltage (recommended) VIN 1.7 7.5 V 4
Enable input voltage (recommended) VEN 0 V Maximum is VIN (not a fixed number) 4
Output current (recommended) IOUT 0 500 mA 4
Junction temperature (recommended) TJ -40 85 °C 4
Junction-to-ambient thermal resistance (SOT23-5) RθJA 185.6 °C/W SOT23-5 (5 pins) column 4
Junction-to-case (top) thermal resistance (SOT23-5) RθJC(top) 104.3 °C/W SOT23-5 (5 pins) column 4
Junction-to-board thermal resistance (SOT23-5) RθJB 54.5 °C/W SOT23-5 (5 pins) column 4
Junction-to-top characterization parameter (SOT23-5) ψJT 31 °C/W SOT23-5 (5 pins) column 4
Junction-to-board characterization parameter (SOT23-5) ψJB 54.5 °C/W SOT23-5 (5 pins) column 4
Output Voltage Noise en 80 µ VRMS f = 10Hz to 100kHz, CBP = 0.01µF, COUT = 10µF, IOUT = 30mA, +25°C 5
Power Supply Rejection Ratio (CBP = 0µF, f = 217Hz) 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 (CBP = 0µF, f = 1kHz) 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 (CBP = 0.01µF, f = 217Hz) PSRR 74 dB CBP = 0.01µF, ILOAD = 30mA, COUT = 1µF, VIN = VOUT+1V, ΔVRIPPLE=0.2VP-P, f = 217Hz, +25°C 5
Power Supply Rejection Ratio (CBP = 0.01µF, f = 1kHz) PSRR 70 dB CBP = 0.01µF, ILOAD = 30mA, COUT = 1µF, VIN = VOUT+1V, ΔVRIPPLE=0.2VP-P, f = 1kHz, +25°C 5
EN Input Bias Current (low) IBL 0.01 µA EN = 0V, Full (-40°C to +85°C) 5
Start-Up Time tSTR 180 µs COUT = 1µF, No Load, +25°C 5
Thermal Shutdown Temperature TSHDN 140 °C 5

CAD (KiCad official)

  • Symbol: RS3236-2.8YF5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: rs3236-2-8yf5-etched.step / rs3236-2-8yf5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs3236-2-8yf5.step / rs3236-2-8yf5.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 3b53b4ddc5170c45, retrieved 2026-10-17, 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