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TJ5205SF5-3.3

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HTC Korea TAEJIN 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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TJ5205SF5-3.3

HTC Korea TAEJIN Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

TJ5205SF5-3.3 from HTC Korea TAEJIN 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 VIN power_in Supply input for the regulator, rated 2.5V to 16V in operation with an absolute maximum of 20V.
2 GND power_in Ground reference pin for the regulator; the total supply current is the load current plus the ground pin current.
3 EN input CMOS/TTL-compatible enable input rated 0 to 16V: logic high (VIH of at least 2.0V) enables the regulator, while logic low (VIL of 0.4V, or 0.18V for the tighter threshold) or open shuts it down.
4 BYP/ADJ passive Reference bypass pin on the fixed-output version, where an optional 470pF capacitor to GND reduces output noise and the pin can be left open if low noise is not required; it is the output-adjust feedback pin on the ADJ version (VREF 1.242V).
5 VOUT power_out Regulated output, guaranteed to deliver 150mA with an output voltage tolerance of about 1% initial accuracy (±2% over -40°C to +125°C) and a 2.2µF output capacitor recommended.

Key specifications

Parameter Value
Manufacturer HTC Korea TAEJIN 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 Supply Voltage VIN -0.3 20 V 1
Enable Input Voltage VEN -0.3 20 V 1
Lead Temperature (Soldering, 5 sec) TSOL 260 ℃ Soldering, 5 sec 1
Storage Temperature Range TSTG -65 150 ℃ 1
Operating Junction Temperature Range TJOPR -40 125 ℃ 1
Input Voltage VIN 2.5 16 V 2
Enable Input Voltage VEN 0 16 V 2
Operating Junction Temperature Range TJOPR -40 125 ℃ 2
Output Voltage Tolerance VO -1 1 % Variation from specified VOUT; TJ=25°C 6
Output Voltage Tolerance VO -2 2 % Variation from specified VOUT; bold: -40°C ≤ TJ ≤ +125°C 6
Output Voltage Temp. Coefficient ΔVO/ΔT 40 ppm/℃ 6
Line Regulation ΔVLINE 0.004 0.012 %/V VIN = VOUT + 1V to 16V 6
Line Regulation ΔVLINE 0.05 %/V VIN = VOUT + 1V to 16V; bold: -40°C ≤ TJ ≤ +125°C 6
Load Regulation ΔVLOAD 0.02 0.2 % IL = 0.1mA to 150mA (Note 6) 6
Load Regulation ΔVLOAD 0.5 % IL = 0.1mA to 150mA (Note 6); bold: -40°C ≤ TJ ≤ +125°C 6
Dropout Voltage VDROP 10 50 mV IL = 100 uA 6
Dropout Voltage VDROP 70 mV IL = 100 uA; bold: -40°C ≤ TJ ≤ +125°C 6
Dropout Voltage VDROP 110 150 mV IL = 50 mA 6
Dropout Voltage VDROP 230 mV IL = 50 mA; bold: -40°C ≤ TJ ≤ +125°C 6
Dropout Voltage VDROP 140 250 mV IL = 100 mA 6
Dropout Voltage VDROP 300 mV IL = 100 mA; bold: -40°C ≤ TJ ≤ +125°C 6
Dropout Voltage VDROP 165 275 mV IL = 150 mA 6
Dropout Voltage VDROP 350 mV IL = 150 mA; bold: -40°C ≤ TJ ≤ +125°C 6
Quiescent Current (Shutdown) IQ 0.01 1 uA VEN ≤ 0.4V (Shutdown) 6
Quiescent Current (Shutdown) IQ 5 uA VEN ≤ 0.18V (Shutdown) 6
Ground Pin Current IGND 120 160 uA VEN ≥ 2.0V, IL = 100uA 6
Ground Pin Current IGND 180 uA VEN ≥ 2.0V, IL = 100uA; bold: -40°C ≤ TJ ≤ +125°C 6
Ground Pin Current IGND 350 600 uA IL = 50mA 6
Ground Pin Current IGND 800 uA IL = 50mA; bold: -40°C ≤ TJ ≤ +125°C 6
Ground Pin Current IGND 600 1000 uA IL = 100mA 6
Ground Pin Current IGND 1500 uA IL = 100mA; bold: -40°C ≤ TJ ≤ +125°C 6
Ground Pin Current IGND 1300 1900 uA IL = 150mA 6
Ground Pin Current IGND 2500 uA IL = 150mA; bold: -40°C ≤ TJ ≤ +125°C 6
Current Limit ILIMIT 320 600 mA VOUT = 0V 6
Enable Input Logic-Low Voltage VIL 0.4 V Regulator Shutdown 7
Enable Input Logic-Low Voltage VIL 0.18 V Regulator Shutdown 7
Enable Input Logic-High Voltage VIH 2 V Regulator enabled 7
Enable Input Current (low) IIL -1 0.01 uA VIL ≤ 0.4V 7
Enable Input Current (low) IIL -2 uA VIL ≤ 0.18V 7
Enable Input Current (high) IIH 2 5 uA VIH ≥ 2.0V 7
Enable Input Current (high) IIH 35 uA VIH ≥ 2.0V 7
Enable Input Current (high) IIH 40 uA VIH ≥ 2.0V 7

CAD (KiCad official)

  • Symbol: TJ5205SF5-3.3
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tj5205sf5-3-3-etched.step / tj5205sf5-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tj5205sf5-3-3.step / tj5205sf5-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: HTC Korea TAEJIN Tech datasheet (10 pp, sha256 886c6e9e14089dd0, retrieved 2026-10-19, 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