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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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownRS3236-2.8YF5
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rs3236-2-8yf5.step/rs3236-2-8yf5.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).