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AP5100WG-7

Public Made by Adom

by adom

Diodes Incorporated DC-DC Converters, SOT-26. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs ap5100wg-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
ap5100wg-7-etched.fit.json ap5100wg-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ap5100wg-7-etched.glb ap5100wg-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ap5100wg-7-etched.step ap5100wg-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ap5100wg-7.glb Publish 0.1.0 · Ray 2mo ago
ap5100wg-7.kicad_mod Publish 0.1.0 · Ray 2mo ago
ap5100wg-7.kicad_sym Publish 0.1.0 · Ray 2mo ago
ap5100wg-7.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray 2mo ago
ap5100wg-7.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.2.0 · Ray 2mo ago
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
page.json ap5100wg-7: specified limits as data (metadata.characteristics, 31 rows from the datasheet) · Ray 19d ago
README.md ap5100wg-7: specified limits as data (metadata.characteristics, 31 rows from the datasheet) · Ray 19d ago

AP5100WG-7

Diodes Incorporated · DC-DC Converters · SOT-26

AP5100WG-7 from Diodes Incorporated, in a SOT-26. 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 BST passive Bootstrap. A capacitor (0.1µF to 1µF typical) connected between SW and BST forms a floating supply across the internal power switch driver, boosting the high-side MOSFET gate above the supply voltage.
2 GND power_in Ground reference for the regulated output voltage and all internal control circuits. Careful PCB layout is required to minimize noise coupling into this reference.
3 FB input Feedback input, nominally 0.81V. Connect to the output resistor divider (or directly to VOUT for 0.81V output) to set the regulated output voltage. Includes a frequency foldback comparator that lowers the oscillator frequency to ~480kHz when FB falls below 400mV during current limit.
4 EN input On/Off control input. Pull above 1.2V to enable the converter and below 0.4V to disable it. Do not leave floating; if unused, tie to VIN through a 100kΩ resistor.
5 IN power_in Supply voltage input, 4.75V to 24V (absolute maximum 26V). A local decoupling capacitor (C1) is required close to the pin to prevent large voltage spikes at the input.
6 SW power_out Switch output from the internal high-side MOSFET (RDS(on) ~0.35Ω, current limit ~2.4A). Connects to the external inductor and catch diode; also the reference return for the BST floating supply capacitor.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-26
Category PMIC
Pins 6

Ordering variants

  • AP5100WG-7

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Feedback Voltage VFB 0.79 0.81 0.83 V 4.75V ≤ VIN ≤ 24V 5
Oscillator Frequency fSW 1.1 1.4 1.7 MHz VFB = 0.6V 5
Under Voltage Lockout Threshold (Rising) 3.8 4 4.2 V Rising 5
EN Input Low Voltage 0.4 V 5
EN Input High Voltage 1.2 V 5
Supply Current (Shutdown) IS 0.1 1 µA VEN = 0V 5
Supply Current (Quiescent) IQ 0.4 1 mA VEN = 2V, VFB = 1V 5
Feedback Current IFB 0.1 µA VFB = 0.8V 5
Switch Leakage Current 10 µA VEN = 0V, VSW = 0V 5
Minimum On-Time tON 100 ns Note 5 5
ESD Protection Human Body Model ESD HBM 3 KV 4
ESD Protection Machine Model ESD MM 300 V 4
Supply Voltage (absolute) VIN 26 V 4
Switch Voltage VSW -0.3 V Rating printed as -0.3 to VIN +0.3 V; upper limit not a fixed number 4
All Other Pins -0.3 6 V 4
Storage Temperature TST -65 150 °C 4
Junction Temperature TJ 150 °C 4
Lead Temperature TL 260 °C 4
Supply Voltage (recommended) VIN 4.75 24 V 4
Operating Ambient Temperature Range TA -25 85 °C 4
Output Voltage VOUT 0.81 15 V 4
Switch-On Resistance RDS(ON) 0.35 Ω Note 5 (guaranteed by design) 5
Current Limit 2.4 A Note 5 5
Fold-back Frequency 480 kHz VFB = 0V 5
Maximum Duty Cycle 87 % VFB = 0.6V 5
Under Voltage Lockout Threshold Hysteresis 150 mV 5
EN Input Current 0.3 µA VEN = 2V 5
EN Input Current 0.1 µA VEN = 0V 5
Thermal Shutdown 140 °C Note 5 5
Junction to Ambient Thermal Resistance θJA 140 °C/W Note 3: measured on approximately 1” square of 1 oz copper (SOT26) 4
Junction to Case Thermal Resistance θJC 35 °C/W Note 3 4

CAD (KiCad official)

  • Symbol: AP5100WG-7
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-26 (KiCad packages3D, STEP)
  • 3D model files: ap5100wg-7-etched.step / ap5100wg-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap5100wg-7.step / ap5100wg-7.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
ap5100wg-7.step 97 KB You want the bare part, or you mark your own boards.
ap5100wg-7-etched.step 1.8 MB You want the part with AP5100WG-7 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 449 faces against 117 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (12 pp, sha256 cc0494aed30da802, 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