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Contents

README

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HT8097ARTZ

HTCSEMI · DC-DC Converters · SOT-23-5

HT8097ARTZ from HTCSEMI, 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 EN input Enable control input: a logic-high (VIH min 1.5V) enables the converter and a logic-low (VIL max 0.4V) forces shutdown mode.
2 GND power_in Power ground return for the converter.
3 LX output Switch node connecting the internal high-side and low-side power MOSFETs to the output inductor.
4 VIN power_in Supply voltage input; the HT8097A operates from a 2.7V to 5.5V input.
5 FB input Feedback voltage input; an external resistor divider from the output to GND tapped at FB sets the output voltage against the 0.6V reference.

Key specifications

Parameter Value
Manufacturer HTCSEMI
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
Supply Input Voltage 2.7 5.5 V 5
Ambient Temperature Range -40 85 °C 5
Junction Temperature Range -40 125 °C 5
Supply Input Voltage -0.3 6.5 V 5
Junction Temperature -40 150 °C 5
Storage Temperature Range -65 150 °C 5
Lead Temperature 260 °C Soldering, 10 sec. 5
ESD Susceptibility HBM 2 kV Human Body Model (HBM) 5
Junction to Ambient Thermal Resistance JA 230.6 °C/W SOT-23-5, standard four-layer thermal test board 13
Input Voltage VIN 2.7 5.5 V 5
Feedback Reference Voltage VREF 0.588 0.6 0.612 V 5
Feedback Leakage Current IFB 1 µA VFB = 3.3V 5
DC Bias Current Shutdown 1 µA Shutdown 5
Switching Leakage Current 1 µA 5
Enable Input Voltage Logic-High VIH 1.5 V Logic-High 5
Enable Input Voltage Logic-Low VIL 0.4 V Logic-Low 5
Under-Voltage Lockout Threshold Rising VUVLO 2.25 2.5 V VDD Rising 5
PG Open-Drain Impedance 100 Ω PG = low 6
DC Bias Current Active 22 µA VFB = 0.63V, Not Switching 5
Switching Frequency 1 MHz 5
Switch On Resistance Low RNMOS 80 mΩ ISW = 0.3A 5
Switch On Resistance High RPMOS 110 mΩ ISW = 0.3A 5
Valley Current Limit ILIM 3.2 A 5
Under-Voltage Lockout Threshold Falling VUVLO 2 V VDD Falling 5
Over-Temperature Threshold 150 °C 5
PG Pin Threshold Rising 90 % Relative to VOUT, Rising 6
PG Pin Threshold Falling 85 % Relative to VOUT, Falling 6
Soft-Start Time TSS 1.2 ms 6
Minimum Off Time 120 ns 6
Output Discharge Switch On Resistance 1.8 kΩ 6

CAD (KiCad official)

  • Symbol: HT8097ARTZ
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ht8097artz-etched.step / ht8097artz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht8097artz.step / ht8097artz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (15 pp, sha256 546a8b500ecab481, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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