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ap1501-50k5g-13

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Diodes Incorporated DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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docs ap1501-50k5g-13: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plai… · Ray
viewers ap1501-50k5g-13: viewers · Ray
ap1501-50k5g-13-etched.fit.json ap1501-50k5g-13: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
ap1501-50k5g-13-etched.glb ap1501-50k5g-13: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plai… · Ray
ap1501-50k5g-13-etched.step ap1501-50k5g-13: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plai… · Ray
ap1501-50k5g-13.glb Publish 0.1.0 · Ray
ap1501-50k5g-13.kicad_mod Publish 0.1.0 · Ray
ap1501-50k5g-13.kicad_sym Publish 0.1.0 · Ray
ap1501-50k5g-13.lbr Publish 0.1.0 · Ray
ap1501-50k5g-13.step Publish 0.1.0 · Ray
package.json Publish 0.1.0 · Ray
page.json ap1501-50k5g-13: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plai… · Ray
README.md ap1501-50k5g-13: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray

AP1501-50K5G-13

Diodes Incorporated · DC-DC Converters · TO-263-5

AP1501-50K5G-13 from Diodes Incorporated, in a TO-263-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Positive input supply for the IC switching regulator. Operating range up to 40V (absolute max +45V). Requires an input bypass capacitor to minimize voltage transients and supply the switching currents needed by the regulator.
2 Output output Internal switching output (emitter of the on-chip 3A NPN switch). The voltage at this pin switches between (+VIN - VSAT) and approximately -0.5V with a duty cycle of approximately VOUT/VIN. Connects to the external inductor and catch diode of the buck converter; PCB copper area on this node should be kept minimal to reduce EMI coupling.
3 Gnd power_in Circuit ground. The exposed metal tab of the TO263-5L package is also connected to GND and should be soldered to the PCB ground copper for thermal dissipation.
4 FB input Output voltage feedback control. Senses the regulated output voltage to complete the feedback loop. For the fixed 5.0V version this pin is tied directly to the output; internal reference VFB is 1.23V for the adjustable version. Absolute max -0.3V to +40V.
5 SD input ON/OFF shutdown control input. Pulling this pin below ~1.3V (VIL max 0.6V) turns the regulator ON; pulling it above ~1.3V (VIH min 2.0V, up to 40V max) shuts the regulator down, dropping standby current to approximately 150µA. Can be tied to GND or left open if shutdown is not used.
TAB Metal Tab GND power_in Exposed metal tab on the TO263-5L package, internally connected to Gnd (pin 3). Serves as the primary thermal path and must be soldered to a copper ground pad on the PCB (recommended >=0.4 in², ideally 2+ in² of 2oz copper) for adequate heat dissipation.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package TO-263-5
Category PMIC
Pins 6

Ordering variants

  • AP1501-50K5G-13
  • AP1501-50K5G-1312K5G-13
  • AP1501-50K5G-1333K5G-13
  • AP1501-50K5G-13T5
  • AP1501-50K5G-13T5R

CAD (KiCad official)

  • Symbol: AP1501-50K5G-13
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: ap1501-50k5g-13-etched.step / ap1501-50k5g-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap1501-50k5g-13.step / ap1501-50k5g-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (None pp, sha256 bafb5b2d2810633a, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF