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HT8008ARTZ

Public Made by Adom

by adom

HTCSEMI DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT8008ARTZ

HTCSEMI · DC-DC Converters · SOT-23-5

HT8008ARTZ 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 RUN input Chip enable pin: drive RUN above 1.5V to turn the part on and below 0.3V to turn it off, and do not leave it floating.
2 GND power_in Ground pin.
3 SW output Power switch output and switch node connection to the inductor, connecting to the drains of the internal P-ch and N-ch MOSFET switches.
4 VIN power_in Power supply input that must be closely decoupled to GND with a 4.7µF or greater ceramic capacitor.
5 FB input Feedback pin: an internal resistive divider scales the output voltage for comparison to the internal 0.6V reference.

Key specifications

Parameter Value
Manufacturer HTCSEMI
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 Voltage Range 2 6 V 3
UVLO Threshold 1.7 1.9 2.1 V 3
Input DC Supply Current PWM Mode 140 300 µA Vout = 90%, Iload=0mA 3
Input DC Supply Current PFM Mode 20 35 µA Vout = 105%, Iload=0mA 3
Shutdown Mode Supply Current 0.1 1 µA VRUN = 0V, VIN=4.2V 3
Regulated Feedback Voltage 0.588 0.6 0.612 V TA = 25°C 3
Regulated Feedback Voltage 0.586 0.6 0.613 V TA = 0°C ≤ TA ≤ 85°C 3
Regulated Feedback Voltage 0.585 0.6 0.615 V TA = -40°C ≤ TA ≤ 85°C 3
Reference Voltage Line Regulation 0.04 0.4 %/V Vin=2.7V to 5.5V 3
Output Voltage Line Regulation 0.04 0.4 % VIN = 2.7V to 5.5V 3
On Resistance of PMOS 0.35 0.45 Ω ISW=100mA 3
ON Resistance of NMOS 0.3 0.45 Ω ISW=-100mA 3
RUN Threshold 0.3 1 1.5 V 3
RUN Leakage Current 0.01 1 µA 3
SW Leakage Current 0.01 1 µA VRUN=0V,VIN=Vsw=5V 3
Input Supply Voltage -0.3 6.5 V 2
RUN,FB Voltages -0.3 6.5 V 2
SW Voltage -0.3 V max (Vin+0.3V) 2
Peak SW Sink and Source Current 1.8 A 2
Operating Temperature Range -40 85 °C 2
Storage Temperature Range -65 150 °C 2
Lead Temperature 300 °C Soldering, 10s 2
Thermal Resistance Junction to Ambient 250 °C/W TJ = TA + (PD) x (250°C/W) 3
Oscillation Frequency 1.5 MHz Vout=100% 3
Oscillation Frequency 300 KHz Vout=0V 3
Peak Current Limit 1.5 A VIN= 3V, Vout=90% 3
Output Voltage Load Regulation 0.5 % 3

CAD (KiCad official)

  • Symbol: HT8008ARTZ
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ht8008artz-etched.step / ht8008artz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht8008artz.step / ht8008artz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (8 pp, sha256 ae2ccaacece9fc76, retrieved 2026-10-27, 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