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SE8530X2-HF

Seaward Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

SE8530X2-HF from Seaward Elec, in a SOT-23. 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 pin of the regulator (pin 1 on SOT23-3).
2 VOUT power_out Regulated output voltage; a 1μF minimum (10μF recommended) ceramic output capacitor is required close to the pin, and VOUT is rated 6V absolute maximum.
3 VIN power_in Power supply input operating from VOUT+1V up to 35V (40V absolute maximum), requiring a 1μF ceramic capacitor to GND placed close to the pin.

Key specifications

Parameter Value
Manufacturer Seaward Elec
Package SOT-23
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 Supply Voltage VIN 1.8 36 V 5
Output Voltage Accuracy VOUT -1 1 % IOUT=10mA 5
Output Voltage Accuracy VOUT -2 2 % 5
Enable High Level VENH 1 V Enabled 5
Enable Low Level VENL 0.4 V Disabled 5
Output Voltage Temperature Coefficient TCVOUT -100 100 ppm/℃ IOUT=10mA; -40℃≤TAMB≤100℃ 5
Quiescent Current IQ 2.5 6 μA 5
Output Current IOUT 200 mA 5
Load Regulation VLR 40 mV 1mA ≤ IOUT≤ 100mA 5
Line Regulation VSR 0.02 %/V IOUT=1mA, VIN=(VOUT +1V) to 30V 5
EN Current IEN 1 μA EN=0~VIN(REN=100K) 5
Current Limit ILIMIT 450 mA VIN=(VOUT +1V) to 30V; RLOAD=VOUT /1A 5
Thermal Protection TSHDN 150 ℃ 5
Dropout Voltage VDROP 30 mV IOUT=10mA; ∆VOUT= - VOUT *2% 5
Dropout Voltage VDROP 300 mV IOUT=100mA; ∆VOUT= - VOUT *2% 5
Dropout Voltage VDROP 600 mV IOUT=200mA; ∆VOUT= - VOUT *2% 5
Power Supply Rejection Ratio PSRR 80 dB Vin=12V, Iout=10mA, F=1Khz, Vout=3.3V 5
Input Supply Voltage (absolute maximum) VIN 40 V 3
Output Voltage (absolute maximum) VOUT 6 V 3
Operating Temperature (absolute maximum) TA -40 105 °C 3
Storage Temperature (absolute maximum) TSTG -40 150 °C 3
Maximum Junction Temperature TJ 150 °C 3
Lead Temperature (Soldering) TLEAD 260 °C 10 seconds 3
Thermal Resistance, Junction-to-Ambient (SOT23) θJA 280 ℃/W SOT23 3
Power Consumption (SOT23) PD 250 mW SOT23 3
Electrostatic discharge, Human Body Model HBM 4 kV Human Body Model (HBM) 3
Electrostatic discharge, Charged Device Model CDM 100 V Charged Device Model (MM) as printed 3
Operating Temperature TA -20 85 ℃ 4
Storage Temperature TSTG -40 125 ℃ 4
Lead Temperature (Soldering) TLEAD 260 ℃ 10 seconds; printed as 260±5 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper placed as close as possible to VIN pin, and the wide copper trace is also recommended. 8

CAD (KiCad official)

  • Symbol: SE8530X2-HF
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: se8530x2-hf-etched.step / se8530x2-hf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); se8530x2-hf.step / se8530x2-hf.glb are the bare package body.

Provenance

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

  • Datasheet: Seaward Elec datasheet (10 pp, sha256 0cbe3738392b321a, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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