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RS7333-1YE3L
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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.
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
markdownRS7333-1YE3L
Jiangsu RUNIC Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L
RS7333-1YE3L 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 reference for all voltages; the GND pin must be connected to the ground plane for proper heat dissipation. |
| 2 | VIN | power_in | Regulator input accepting up to 45V, with at least a 1µF supply bypass capacitor recommended. |
| 3 | VOUT | power_out | Regulator output; the recommended output capacitor range is 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 | 2.5 | 45 | V | +25°C | 5 | |
| Output Voltage Accuracy | -2 | 2 | % | IOUT = 10mA, +25°C | 5 | ||
| Ground Pin Current | IQ | 3 | 4 | uA | No load, +25°C | 5 | |
| Shutdown Current | IQ-OFF | 0.1 | 1 | uA | VEN = 0V, +25°C | 5 | |
| Max Output Current | 300 | 350 | mA | +25°C | 5 | ||
| Dropout Voltage VOUT=3.3V | VDROP | 335 | 435 | mV | IOUT = 100mA, VOUT = 3.3V, +25°C | 5 | |
| Line Regulation | ΔVOUT/(ΔVIN×VOUT) | 0.05 | 0.2 | %/V | VIN = VOUT + 2V to 36V, IOUT = 1mA, +25°C | 5 | |
| Load Regulation | ΔVOUT | 5 | 20 | mV | VIN = VOUT+1V, IOUT = 1mA to 50mA, +25°C | 5 | |
| Output Current Limit | I_LMT | 300 | 450 | mA | VIN = VOUT+1V, +25°C | 5 | |
| EN Input Threshold High | VENH | 1.2 | V | +25°C | 5 | ||
| EN Input Threshold Low | VENL | 0.4 | V | +25°C | 5 | ||
| Absolute Max Input Voltage | VIN | -0.3 | 48 | V | Over operating free-air temperature range | 4 | |
| Absolute Max Enable Input Voltage | VEN | -0.3 | V | Maximum printed as VIN (not a fixed number) | 4 | ||
| Junction Temperature | TJ | -40 | 175 | °C | 4 | ||
| Storage Temperature | Tstg | -65 | 150 | °C | 4 | ||
| Recommended Input Supply Voltage | VIN | 2.5 | 45 | V | 4 | ||
| Recommended Output Current | IOUT | 0 | 300 | mA | 4 | ||
| Capacitor of VIN pin | CIN | 1 | 10 | uF | 4 | ||
| Capacitor of VOUT pin | COUT | 1 | 10 | uF | 4 | ||
| Equivalent Series Resistance | ESR | 5 | 100 | mΩ | 4 | ||
| Operating Temperature | TA | -40 | 85 | °C | Operating free-air temperature | 4 | |
| Junction-to-ambient thermal resistance (SOT89-3L) | RθJA | 165 | °C/W | SOT89-3L package | 4 | ||
| Junction-to-case (top) thermal resistance (SOT89-3L) | RθJC(top) | 88.5 | °C/W | SOT89-3L package | 4 | ||
| Junction-to-board thermal resistance (SOT89-3L) | RθJB | 39.6 | °C/W | SOT89-3L package | 4 | ||
| Junction-to-top characterization parameter (SOT89-3L) | ψJT | 26.5 | °C/W | SOT89-3L package | 4 | ||
| Junction-to-board characterization parameter (SOT89-3L) | ψJB | 49.7 | °C/W | SOT89-3L package | 4 | ||
| Junction-to-case (bottom) thermal resistance (SOT89-3L) | RJC(bot) | 77.7 | °C/W | SOT89-3L package | 4 |
CAD (KiCad official)
- Symbol:
RS7333-1YE3L - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files:
rs7333-1ye3l-etched.step/rs7333-1ye3l-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rs7333-1ye3l.step/rs7333-1ye3l.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Jiangsu RUNIC Tech datasheet (11 pp, sha256
97cd15c48e2493b7, retrieved 2026-11-05, 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).