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AP3105VKTR-G1

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Diodes Incorporated AC-DC Controllers And Regulators, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AP3105VKTR-G1

Diodes Incorporated · AC-DC Controllers And Regulators · SOT-23-6

AP3105VKTR-G1 from Diodes Incorporated, in a SOT-23-6. 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 GND power_in Signal ground that serves as the current return for the driver and control circuits.
2 FB input Feedback input connected directly to the opto-coupler, where the voltage sets the peak inductor current, a sustained voltage above 4.2V for about 32ms triggers protection, and a voltage below 1.55V stops the drive pulse.
3 CTRL input Latch trigger input that latches the IC off if the voltage falls below 0.5V or rises above 2.5V, may be left open if unused, and can use an NTC to GND for over-temperature protection, with the sourcing current limited below 5mA.
4 SENSE input Current sense input whose undershoot (which can reach about -0.3V at MOSFET turn-on) may damage the pin, so a small RC filter or series resistor is recommended.
5 VCC power_in Supply voltage input for the driver and control circuits, with UVLO turn-on at 15.5V and turn-off at 8.6V (typ) and a absolute maximum rating of 30V.
6 GATE output Gate driver output for the external power MOSFET, clamped at about 11V to 15V (13V typ).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23-6
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
Power Supply Voltage VCC 30 V 4
Gate Output Current IO 350 mA 4
Input Voltage to FB, SENSE, CTRL VFB, VSENSE, VCTRL -0.3 7 V 4
Thermal Resistance (Junction to Ambient) θJA 250 ºC/W 4
Power Dissipation at TA<25ºC PD 500 mW TA<25ºC 4
Operating Junction Temperature TJ -40 150 ºC 4
Storage Temperature Range TSTG 150 ºC 4
ESD (Human Body Model) 3000 V Human Body Model 4
ESD (Machine Model) 300 V Machine Model 4
Supply Voltage VCC 10 25 V 4
Startup Current ISTARTUP 2 5 25 µA 5
Operating Supply Current ICC 0.5 0.85 1.2 mA VFB=0V, CL=1nF 5
Operating Supply Current ICC 0.6 1.2 2 mA VFB=3V, CL=0nF 5
UVLO (on) 14.5 15.5 16.5 V 5
VCC Maintain 9.7 10.2 10.7 V 5
UVLO (off) 7.6 8.6 9.6 V 5
VCC OVP 27 28.5 30 V 5
VCC Clamp 31 34 V ICC=5mA 5
Maximum Duty Cycle 70 75 80 % 5
Oscillation Frequency 60 65 70 kHz 5
Green Mode Frequency 20 30 kHz 5
Frequency Temperature Stability 5 % -20°C to +125°C (Note 2) 5
Frequency Voltage Stability 3 % VCC=12V to 30V 5
Frequency Dithering 4 6 8 % 5
Maximum SENSE Voltage VCS 0.8 0.85 0.9 V VFB=3.6V 5
FOCP Voltage 1.65 1.8 1.95 V 5
LEB Time of SENSE 150 250 350 ns 5
Ratio of Input Voltage to Current Sense Voltage 2.5 3 3.5 V/V 5
Input Impedance 7 10 13 kΩ 5
Source Current (FB Pin) -0.75 -0.5 -0.25 mA VFB=0V 5
Input Voltage for Zero Duty 1.3 1.55 1.8 V 5
Output Low Level 1 V IO=20mA, VCC=12V 5
Output High Level 8 V IO=20mA, VCC=12V 5
Output Clamping 11 13 15 V 5
Rising Time (Note 2) 150 250 ns CL=1nF, VCC=13V 5
Falling Time (Note 2) 50 100 ns CL=1nF, VCC=13V 5
Source Current (CTRL Pin) 90 100 110 µA 6
Low Threshold Trigger for Latch 0.47 0.5 0.53 V 6
High Threshold Trigger for Latch 2.35 2.5 2.65 V 6
Pull-up Current (Note 3) 2 mA 6
Delay of Short Circuit Protection 22 32 40 ms 6
Delay to Output (Note 2) 100 ns 5
Green Mode Threshold 2 V 5
Internal Reference Voltage 1.5 V 6
Delay of Hiccup Protection VCC OVP 25 µs 6

CAD (KiCad official)

  • Symbol: AP3105VKTR-G1
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ap3105vktr-g1-etched.step / ap3105vktr-g1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap3105vktr-g1.step / ap3105vktr-g1.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (13 pp, sha256 72411b18d948dca7, 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