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BCT2019EUKV25-TR

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BROADCHIP Linear Voltage Regulators (LDO), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BCT2019EUKV25-TR

BROADCHIP · Linear Voltage Regulators (LDO) · SOT-23-5

BCT2019EUKV25-TR from BROADCHIP, 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; the supply voltage can range from 2.5V to 5.5V and the pin should be bypassed with a 1uF capacitor to GND.
2 GND power_in Ground reference pin.
3 EN input Shutdown input; a logic low reduces the supply current to 10nA, and it should be connected to IN for normal operation.
4 BP/FB passive On the fixed-voltage version (BCT2019EUKV25-TR, 2.5V) this is BP, the reference-noise bypass pin, which should be bypassed with a low-leakage 0.01uF ceramic capacitor for reduced output noise.
5 OUT power_out Regulator output; the SOT-23-5 package maximum output current is 300mA.

Key specifications

Parameter Value
Manufacturer BROADCHIP
Package SOT-23-5
Category Power Supply Chip
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 2.5 5.5 V 5
Output Voltage Accuracy -2.5 2.5 % IOUT=0.1mA 5
Ground Pin Current IQ 100 200 uA No load, EN=2V 5
Dropout Voltage 270 400 mV IOUT=300mA 5
Line Regulation ΔVLNR 0.02 0.05 %/V VIN=2.5V or (VOUT+0.5V) to 5.5V, IOUT=1mA 5
Load Regulation ΔVLDR 0.002 0.005 %/mA IOUT=0.1mA to 300mA, COUT=1uF, VOUT>2V 5
EN Input Bias Current IB(SHDN) 0.01 1 uA EN=0V or EN=5.5V 5
IN to GND voltage -0.3 6 V IN to GND 3
EN to GND voltage -0.3 V EN to GND; upper limit printed as VIN 3
OUT, BP/FB to GND voltage -0.3 V OUT, BP/FB to GND; upper limit printed as VIN+0.3V 3
Junction Temperature 150 ℃ 3
Storage Temperature Range -65 150 ℃ 3
Operating Temperature Range -40 85 ℃ 3
Maximum Junction Temperature for Continuous Operation TJ(MAX) 125 °C 9
Maximum Output Current 300 mA SOT-23-5 5
Current Limit ILIM 800 mA 5
Dropout Voltage 0.9 mV IOUT=1mA 5
Output Voltage Noise en 30 uVRMS f=10Hz to 100kHz, CBP=0.01uF, COUT=10uF 5
Power Supply Rejection Ratio PSRR 77 dB f=217Hz; CBP=0.1uF, ILOAD=50mA, COUT=1uF, VIN=VOUT+1V 5
Power Supply Rejection Ratio PSRR 74 dB f=1kHz; CBP=0.1uF, ILOAD=50mA, COUT=1uF, VIN=VOUT+1V 5
EN Input Threshold High VIH 1.5 V VIN=2.5V to 5.5V, VEN=-0.3V to VIN 5
EN Input Threshold Low VIL 0.3 V 5
Shutdown Supply Current IQ(SHDN) 0.01 uA EN=0.4V 5
Shutdown Exit Delay 30 us CBP=0.01uF, COUT=1uF, No Load 5
Thermal Shutdown Temperature TSHDN 150 °C 5
Thermal Shutdown Hysteresis ΔTSHDN 15 °C 5
Junction-to-Ambient Thermal Resistance SOT-23-5 θJA 250 °C/W JEDEC 51-3 thermal test board 9

CAD (KiCad official)

  • Symbol: BCT2019EUKV25-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: bct2019eukv25-tr-etched.step / bct2019eukv25-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bct2019eukv25-tr.step / bct2019eukv25-tr.glb are the bare package body.

Provenance

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

  • Datasheet: BROADCHIP datasheet (13 pp, sha256 dd11b04e51eb40aa, retrieved 2026-10-18, 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