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AP1501S-ADJRG

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HANSCHIP semiconductor DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AP1501S-ADJRG

HANSCHIP semiconductor · DC-DC Converters · TO-263-5

AP1501S-ADJRG from HANSCHIP semiconductor, in a TO-263-5. 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 pin that requires a DC supply of 4.5 V to 40 V, with a large-value capacitor connected in parallel between this pin and ground to filter supply noise.
2 OUTPUT output Power switch output pin that acts as the switching node driving the output load, with the datasheet's absolute maximum voltage on this pin being -0.3 V to VIN.
3 GND power_in Ground pin that should be routed on the output-capacitor ground path outside the Schottky diode path so that switching-current spikes do not add noise to the circuit.
4 FEEDBACK input Voltage feedback pin that senses the output through an external resistor divider, with a regulation threshold of 1.23 V, and absolute maximum range of -0.3 V to VIN.
5 ON_OFF input Enable pin where a low level turns the regulator on and a high level turns it off, with the pin defaulting to low when floating, and a switch-pin threshold of 1.4 V (high) / 0.8 V (low).
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer HANSCHIP semiconductor
Package TO-263-5
Category Power Management (PMIC)
Pins 6

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=4.5V40V, ILOAD=0.2A3A 3
Input operating voltage VIN 4.5 40 V 4
Standby current ISTBY 80 200 uA VON_OFF=5V 4
Quiescent operating current IQ 2 10 mA VON_OFF=0V, VFB=VIN 4
Operating frequency FOSC 127 150 173 KHz 4
Current limit IL 3.6 4.8 6.9 A VFB=0 4
ON_OFF pin threshold, high (control off) VON_OFF 1.4 V High (control off) 4
ON_OFF pin threshold, low (control on) VON_OFF 0.8 V Low (control on) 4
ON_OFF pin leakage, OFF IH 5 15 uA VON_OFF=2.5V (OFF) 4
ON_OFF pin leakage, ON IL 0.2 5 uA VON_OFF=2.5V (ON) 4
Saturation voltage VCE 1.3 1.5 V VFB=0V, IOUT=3A 4
Maximum duty cycle DMAX 100 % VFB=0V 4
Input voltage VIN -0.3 45 V 2
Feedback pin voltage VFB -0.3 V Upper limit printed as VIN (no numeric value) 2
ON_OFF pin voltage VON_OFF -0.3 V Upper limit printed as VIN (no numeric value) 2
Power transistor output pin voltage VOUT_PUT -0.3 V Upper limit printed as VIN (no numeric value) 2
Operating junction temperature TJ -40 125 °C 2
Storage temperature TSTG -65 150 °C 2
Lead soldering temperature TLEAD 260 °C 2
ESD capability ESD 2000 V Human body model 2
Input voltage (recommended) VIN 5 40 V 2
Operating junction temperature range (recommended) TJ -40 125 °C 2
Thermal resistance, junction to ambient RJA 50 °C /W No heatsink, TO220 and TO263 packages 4

CAD (KiCad official)

  • Symbol: AP1501S-ADJRG
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: ap1501s-adjrg-etched.step / ap1501s-adjrg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap1501s-adjrg.step / ap1501s-adjrg.glb are the bare package body.

Provenance

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

  • Datasheet: HANSCHIP semiconductor datasheet (9 pp, sha256 0b36282e098a7e0b, retrieved 2026-10-19, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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