component
AP3103AKTR-G1
Public Made by Adomby adom
Diodes Incorporated AC-DC Controllers & Regulators, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AP3103AKTR-G1
Diodes Incorporated · AC-DC Controllers & Regulators · SOT-23-6
AP3103AKTR-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 and current return for the driver and control circuits. |
| 2 | FB | input | Feedback input connected directly to the opto-coupler; input voltage is rated -0.3 to 7 V, and PWM stops below 1.55 V. |
| 3 | RI | input | Sets the bias current that determines the normal switching frequency via a resistor to ground (65 kHz typ at 100 kΩ); input voltage is rated -0.3 to 7 V. |
| 4 | SENSE | input | Current sense input with 250 ns leading-edge blanking and 0.85 V typical maximum sense voltage; input voltage is rated -0.3 to 7 V. |
| 5 | VCC | power_in | Supply voltage of the driver and control circuits, with a recommended range of 10 to 25 V and an absolute maximum of 30 V. |
| 6 | GATE | output | Gate driver output, clamped at 13 V typical, with a maximum output current of 350 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23-6 |
| Category | Power Management ICs |
| 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 |
|---|---|---|---|---|---|---|---|
| Startup Current | ISTARTUP | 5 | 25 | μA | VCC=16V, TA=+25°C | 5 | |
| Operating Supply Current (VFB=0V) | ICC | 0.5 | 0.85 | 1.2 | mA | VFB=0V, CL=1nF, RRI=100kΩ | 5 |
| Operating Supply Current (VFB=3V) | ICC | 0.6 | 1.2 | 2 | mA | VFB=3V, CL=0nF, RRI=100kΩ | 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 | RRI=100kΩ | 5 | |
| Green Mode Frequency | 20 | 30 | kHz | RRI=100kΩ | 5 | ||
| Frequency Temperature Stability | 5 | % | -20oC to +125oC (Note 5) | 5 | |||
| Frequency Voltage Stability | 3 | % | VCC=12V to 30V | 5 | |||
| Frequency Dithering | -8 | 8 | % | typ ±6 | 5 | ||
| Maximum SENSE Voltage | VCS | 0.8 | 0.85 | 0.9 | V | VFB=3.6V, RRI=100kΩ | 5 |
| FOCP Voltage | 1.65 | 1.8 | 1.95 | V | 5 | ||
| LEB Time of SENSE | 150 | 250 | 350 | ns | RRI=100kΩ | 5 | |
| Soft-start Time | 3 | 5 | 8 | ms | RRI=100kΩ | 5 | |
| Ratio of Input Voltage to Current Sense Voltage | 2.5 | 3 | 3.5 | V/V | 5 | ||
| FB Input Impedance | 7 | 10 | 13 | kΩ | 5 | ||
| FB Source Current | -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 | 150 | 250 | ns | CL=1nF, VCC=13V (Note 5) | 5 | ||
| Falling Time | 50 | 100 | ns | CL=1nF, VCC=13V (Note 5) | 5 | ||
| Delay of Short Circuit Protection | 22 | 32 | 40 | ms | RRI=100kΩ | 5 | |
| Delay to Output | 100 | ns | Note 5 | 5 | |||
| Green Mode Threshold | 2 | V | 5 | ||||
| Delay of Hiccup Protection | 25 | μs | VCC OVP | 5 | |||
| Supply Voltage | VCC | 10 | 25 | V | 4 | ||
| Power Supply Voltage | VCC | 30 | V | 4 | |||
| Gate Output Current | IO | 350 | mA | 4 | |||
| Input Voltage to FB, SENSE, RI | VFB, VSENSE, VRI | -0.3 | 7 | V | 4 | ||
| Power Dissipation | PD | 500 | mW | TA < +25°C | 4 | ||
| Operating Junction Temperature | TJ | -40 | 150 | °C | 4 | ||
| Storage Temperature Range | TSTG | 150 | °C | printed as +150 | 4 | ||
| ESD (Human Body Model) | 3000 | V | 4 | ||||
| ESD (Machine Model) | 300 | V | 4 | ||||
| Thermal Resistance (Junction to Ambient) | θJA | 250 | °C/W | 4 |
CAD (KiCad official)
- Symbol:
AP3103AKTR-G1 - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
ap3103aktr-g1-etched.step/ap3103aktr-g1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ap3103aktr-g1.step/ap3103aktr-g1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (12 pp, sha256
68f48a3214097c45, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).
# AP3103AKTR-G1
**Diodes Incorporated** · AC-DC Controllers & Regulators · SOT-23-6
AP3103AKTR-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 and current return for the driver and control circuits. |
| 2 | FB | input | Feedback input connected directly to the opto-coupler; input voltage is rated -0.3 to 7 V, and PWM stops below 1.55 V. |
| 3 | RI | input | Sets the bias current that determines the normal switching frequency via a resistor to ground (65 kHz typ at 100 kΩ); input voltage is rated -0.3 to 7 V. |
| 4 | SENSE | input | Current sense input with 250 ns leading-edge blanking and 0.85 V typical maximum sense voltage; input voltage is rated -0.3 to 7 V. |
| 5 | VCC | power_in | Supply voltage of the driver and control circuits, with a recommended range of 10 to 25 V and an absolute maximum of 30 V. |
| 6 | GATE | output | Gate driver output, clamped at 13 V typical, with a maximum output current of 350 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23-6 |
| Category | Power Management ICs |
| 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 |
|---|---|---|---|---|---|---|---|
| Startup Current | ISTARTUP | | 5 | 25 | μA | VCC=16V, TA=+25°C | 5 |
| Operating Supply Current (VFB=0V) | ICC | 0.5 | 0.85 | 1.2 | mA | VFB=0V, CL=1nF, RRI=100kΩ | 5 |
| Operating Supply Current (VFB=3V) | ICC | 0.6 | 1.2 | 2 | mA | VFB=3V, CL=0nF, RRI=100kΩ | 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 | RRI=100kΩ | 5 |
| Green Mode Frequency | | 20 | | 30 | kHz | RRI=100kΩ | 5 |
| Frequency Temperature Stability | | | | 5 | % | -20oC to +125oC (Note 5) | 5 |
| Frequency Voltage Stability | | | | 3 | % | VCC=12V to 30V | 5 |
| Frequency Dithering | | -8 | | 8 | % | typ ±6 | 5 |
| Maximum SENSE Voltage | VCS | 0.8 | 0.85 | 0.9 | V | VFB=3.6V, RRI=100kΩ | 5 |
| FOCP Voltage | | 1.65 | 1.8 | 1.95 | V | | 5 |
| LEB Time of SENSE | | 150 | 250 | 350 | ns | RRI=100kΩ | 5 |
| Soft-start Time | | 3 | 5 | 8 | ms | RRI=100kΩ | 5 |
| Ratio of Input Voltage to Current Sense Voltage | | 2.5 | 3 | 3.5 | V/V | | 5 |
| FB Input Impedance | | 7 | 10 | 13 | kΩ | | 5 |
| FB Source Current | | -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 | | | 150 | 250 | ns | CL=1nF, VCC=13V (Note 5) | 5 |
| Falling Time | | | 50 | 100 | ns | CL=1nF, VCC=13V (Note 5) | 5 |
| Delay of Short Circuit Protection | | 22 | 32 | 40 | ms | RRI=100kΩ | 5 |
| Delay to Output | | | 100 | | ns | Note 5 | 5 |
| Green Mode Threshold | | | 2 | | V | | 5 |
| Delay of Hiccup Protection | | | 25 | | μs | VCC OVP | 5 |
| Supply Voltage | VCC | 10 | | 25 | V | | 4 |
| Power Supply Voltage | VCC | | | 30 | V | | 4 |
| Gate Output Current | IO | | | 350 | mA | | 4 |
| Input Voltage to FB, SENSE, RI | VFB, VSENSE, VRI | -0.3 | | 7 | V | | 4 |
| Power Dissipation | PD | | | 500 | mW | TA < +25°C | 4 |
| Operating Junction Temperature | TJ | -40 | | 150 | °C | | 4 |
| Storage Temperature Range | TSTG | | | 150 | °C | printed as +150 | 4 |
| ESD (Human Body Model) | | | | 3000 | V | | 4 |
| ESD (Machine Model) | | | | 300 | V | | 4 |
| Thermal Resistance (Junction to Ambient) | θJA | | | 250 | °C/W | | 4 |
## CAD (KiCad official)
- Symbol: `AP3103AKTR-G1`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `ap3103aktr-g1-etched.step` / `ap3103aktr-g1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ap3103aktr-g1.step` / `ap3103aktr-g1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/AP3103AKTR-G1.pdf) (12 pp, sha256 `68f48a3214097c45`, retrieved 2026-10-22, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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](docs/ap3103aktr-g1-datasheet.pdf)