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HX1509D-ADJRG

HANSCHIP semiconductor · DC-DC Converters · SOP-8

HX1509D-ADJRG from HANSCHIP semiconductor, in a SOP-8. 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 voltage input pin; the HX1509 operates from 4.5V to 42V DC, and Vin should be bypassed to GND with a suitably large capacitor to eliminate input noise.
2 OUTPUT output Power switch output pin (SW) is the switch node that supplies power to the output.
3 FEEDBACK input Feedback pin (FB) senses the output voltage through an external resistor divider and regulates it, with a feedback threshold voltage of 1.23V.
4 ON/OFF input Enable pin: drive low to turn the device on and drive high to turn it off, and it defaults to low when floating.
5 GND power_in Ground pin that must be laid out carefully, placed outside the Schottky diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise into the HX1509.
6 GND power_in Ground pin that must be laid out carefully, placed outside the Schottky diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise into the HX1509.
7 GND power_in Ground pin that must be laid out carefully, placed outside the Schottky diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise into the HX1509.
8 GND power_in Ground pin that must be laid out carefully, placed outside the Schottky diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise into the HX1509.

Key specifications

Parameter Value
Manufacturer HANSCHIP semiconductor
Package SOP-8
Category Power Management (PMIC)
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage (ADJ version) VOUT 1.193 1.23 1.267 V Vin = 4.5V to 42V, Iload=0.2A to 2A 6
Input operation voltage Vin 4.5 42 V 6
Shutdown Supply Current ISTBY 80 200 uA VON/OFF=5V 6
Quiescent Supply Current Iq 2 10 mA VON/OFF =0V, VFB =Vin 6
Oscillator Frequency Fosc 127 150 173 Khz 6
ON/OFF Pin Threshold, High (Regulator OFF) VON/OFF 1.4 V High (Regulator OFF) 6
ON/OFF Pin Threshold, Low (Regulator ON) VON/OFF 0.8 V Low (Regulator ON) 6
ON/OFF Pin Input Leakage Current (OFF) IH 5 15 uA VON/OFF =2.5V (OFF) 6
ON/OFF Pin Input Leakage Current (ON) IL 0.2 5 uA VON/OFF =0.5V (ON) 6
Output Saturation Voltage VCE 1.2 1.4 V VFB=0V, Iout=2A 6
Switch Current Limit IL 4 A VFB =0 6
Max. Duty Cycle DMAX 100 % VFB=0V 6
Input Voltage Vin -0.3 42 V 5
Feedback Pin Voltage VFB -0.3 V Upper limit given as Vin 5
ON/OFF Pin Voltage VON/OFF -0.3 V Upper limit given as Vin 5
Output Switch Pin Voltage VOutput -0.3 V Upper limit given as Vin 5
ESD (HBM) 2000 V HBM 5
Operating Junction Temperature TJ -40 125 ºC 5
Storage Temperature TSTG -65 150 ºC 5
Lead Temperature (Soldering) TLEAD 245 ºC Soldering, 10 sec 5
Thermal Resistance, Junction to Ambient (SOP8) RJA 100 ºC/W Junction to Ambient, No Heatsink, Free Air 5

CAD (KiCad official)

  • Symbol: HX1509D-ADJRG
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: hx1509d-adjrg-etched.step / hx1509d-adjrg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hx1509d-adjrg.step / hx1509d-adjrg.glb are the bare package body.

Provenance

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

  • Datasheet: HANSCHIP semiconductor datasheet (13 pp, sha256 47c4f6e9edcebb1a, 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