component
AL1665S-13
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Diodes Incorporated LED Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AL1665S-13
Diodes Incorporated · LED Drivers · SOP-8
AL1665S-13 from Diodes Incorporated, in a SOP-8. 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 | ADIM | input | Analog dimming input that accepts a 50mV to 2.5V DC signal, giving a 5% to 100% dimming range. |
| 2 | NTC/PWM | input | NTC input for thermal foldback and PWM dimming input, where logic high must be above 1V and logic low below 0.5V for a 0.5% to 100% range at 1kHz. |
| 3 | COMP | passive | Loop compensation pin with an absolute maximum voltage of -0.3 to 7 V, where a 1µF to 2µF CCOMP is recommended and the pre-charge voltage is set by RCOMP. |
| 4 | CS | input | Current sense pin to be connected to the source of the primary switch, rated -0.3 to 7 V, with the primary current clamp at 2 V. |
| 5 | GND | power_in | Ground reference for the device, to which all voltages are measured. |
| 6 | OUT | output | Gate driver output with a driver output voltage rating of -0.3 to 20 V. |
| 7 | VCC | power_in | Supply voltage for the gate driver and control circuits, with an operating range of 8.5 V to VCC_OVP (min) and an absolute maximum of 30 V. |
| 8 | FB | input | Feedback voltage sensing input from the auxiliary winding, rated -0.3 to 7 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOP-8 |
| Category | Display Modules / LED Drivers / Display Drivers |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Ambient Temperature | TA | -40 | 105 | °C | 4 | ||
| Operating VCC Voltage | VCC | 8.5 | V | 4 | |||
| Power Supply Voltage | VCC | -0.3 | 30 | V | 3 | ||
| Voltage at CS to GND | VCS | -0.3 | 7 | V | 3 | ||
| FB Input Voltage | VFB | -0.3 | 7 | V | 3 | ||
| Voltage at Loop Compensation Pin | VCOMP | -0.3 | 7 | V | 3 | ||
| Driver Output Voltage | VOUT | -0.3 | 20 | V | 3 | ||
| Voltage at NTC/PWM to GND | VNTC/PWM | -0.3 | 7 | V | 3 | ||
| Voltage at ADIM to GND | VADIM | -0.3 | 7 | V | 3 | ||
| Operating Junction Temperature | TJ | -40 | 150 | °C | 3 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 3 | ||
| Lead Temperature (Soldering, 10s) | TLEAD | 300 | °C | Soldering, 10s | 3 | ||
| Power Dissipation | PD | 0.65 | W | TA = +50°C | 3 | ||
| ESD (Human Body Model) | 2000 | V | 3 | ||||
| ESD (Charged-Device Model) | 1000 | V | 3 | ||||
| VCC_TH Startup Threshold Voltage | VCC_TH | 15.8 | 18.5 | 19.5 | V | 4 | |
| Minimal Operating Voltage After Turn On | VOPR_MIN | 5.8 | 7.8 | 9 | V | 4 | |
| VCC OVP Voltage | VCC_OVP | 21.8 | 25 | 29.5 | V | 4 | |
| Shunt Current in OVP Mode | ICC_OVP | 3.1 | mA | VCC > VCC_OVP | 4 | ||
| Startup Current | IST | 120 | 300 | µA | VCC = VCC_TH -0.5V, Before Start Up | 4 | |
| Operating Current @ 4KHz | ICC | 1 | 2 | mA | VCC=20V, VDIM=3V, VFB=VCS=VCOMP=1V, COUT=1nF | 4 | |
| Output Clamp Voltage | VOUT_CLAMP | 9.8 | 12 | 15.5 | V | VCC = 20V | 4 |
| Minimum On Time | tON_MIN | 1000 | 2010 | ns | 4 | ||
| Maximum Off Time | tOFF_MAX | 290 | 405 | µs | 4 | ||
| Internal Reference Voltage | VREF | 0.394 | 0.4 | 0.406 | V | 4 | |
| FB CV Threshold | VFB_CV | 2.86 | 3 | 3.26 | V | 4 | |
| Analog Dimming Range on ADIM | 0.05 | 2.5 | V | 4 | |||
| Analog Dimming High Level | 2.45 | 2.5 | 2.55 | V | 4 | ||
| Analog Dimming Range Ratio | 5 | 100 | % | 4 | |||
| Reference Current for Direct Connection of NTC/PWM | IOTP(REF) | 70.5 | 85 | 91 | µA | 5 | |
| OTP Blanking Time when Circuit Starts Operating | tOTP(START) | 250 | 370 | µs | 5 | ||
| NTC/PWM Pin Voltage at which Thermal Foldback Starts | VTF(START) | 0.94 | 1 | 1.06 | V | 5 | |
| NTC/PWM Pin Voltage at which Thermal Foldback Stops | VTF(STOP) | 0.64 | 0.69 | 0.74 | V | 5 | |
| VREF @ VNTC/PWM = 600mV (Percent of VREF) | VREF(50) | 40 | 50 | 60 | % | VNTC/PWM = 600mV | 5 |
| Overheating Temperature Regulation | TREG | 150 | °C | 5 | |||
| Shutdown Temperature | 180 | °C | 5 | ||||
| Thermal Resistance (Junction to Ambient) | ϴJA | 136 | °C/W | 3 | |||
| Thermal Resistance (Junction to Case) | ϴJC | 30 | °C/W | 3 | |||
| Output Voltage Rise Time | tR | 100 | ns | CL = 1nF | 4 | ||
| Output Voltage Fall Time | tF | 100 | ns | CL = 1nF | 4 | ||
| Maximum On Time | tON_MAX | 15 | µs | 4 | |||
| Maximum Frequency | fMAX | 150 | kHz | 4 | |||
| Primary Current Clamp Voltage | VCS_CLAMP | 2 | V | 4 | |||
| Primary Overcurrent Voltage | VCS_OCP | 3 | V | 4 | |||
| Trans-Conductance | Gm | 27 | µA/V | 4 | |||
| Amplifier Source Current | ISOURCE | 7.2 | µA | 4 | |||
| Pullup Voltage when NTC/PWM Open | VNTC/PWM(PULL-UP) | 2.5 | V | NTC/PWM Pin Open | 5 | ||
| Fault Detection Level for OTP | VOTP(OFF) | 0.5 | V | VNTC/PWM Falling | 5 | ||
| NTC/PWM Pin Level for Operation Recovery after an OTP Detection | VOTP(ON) | 0.7 | V | VNTC/PWM Rising | 5 |
CAD (KiCad official)
- Symbol:
AL1665S-13 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
al1665s-13-etched.step/al1665s-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);al1665s-13.step/al1665s-13.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (17 pp, sha256
131bf42924dda993, retrieved 2026-11-02, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# AL1665S-13
**Diodes Incorporated** · LED Drivers · SOP-8
AL1665S-13 from Diodes Incorporated, in a SOP-8. 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 | ADIM | input | Analog dimming input that accepts a 50mV to 2.5V DC signal, giving a 5% to 100% dimming range. |
| 2 | NTC/PWM | input | NTC input for thermal foldback and PWM dimming input, where logic high must be above 1V and logic low below 0.5V for a 0.5% to 100% range at 1kHz. |
| 3 | COMP | passive | Loop compensation pin with an absolute maximum voltage of -0.3 to 7 V, where a 1µF to 2µF CCOMP is recommended and the pre-charge voltage is set by RCOMP. |
| 4 | CS | input | Current sense pin to be connected to the source of the primary switch, rated -0.3 to 7 V, with the primary current clamp at 2 V. |
| 5 | GND | power_in | Ground reference for the device, to which all voltages are measured. |
| 6 | OUT | output | Gate driver output with a driver output voltage rating of -0.3 to 20 V. |
| 7 | VCC | power_in | Supply voltage for the gate driver and control circuits, with an operating range of 8.5 V to VCC_OVP (min) and an absolute maximum of 30 V. |
| 8 | FB | input | Feedback voltage sensing input from the auxiliary winding, rated -0.3 to 7 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOP-8 |
| Category | Display Modules / LED Drivers / Display Drivers |
| Pins | 8 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Ambient Temperature | TA | -40 | | 105 | °C | | 4 |
| Operating VCC Voltage | VCC | 8.5 | | | V | | 4 |
| Power Supply Voltage | VCC | -0.3 | | 30 | V | | 3 |
| Voltage at CS to GND | VCS | -0.3 | | 7 | V | | 3 |
| FB Input Voltage | VFB | -0.3 | | 7 | V | | 3 |
| Voltage at Loop Compensation Pin | VCOMP | -0.3 | | 7 | V | | 3 |
| Driver Output Voltage | VOUT | -0.3 | | 20 | V | | 3 |
| Voltage at NTC/PWM to GND | VNTC/PWM | -0.3 | | 7 | V | | 3 |
| Voltage at ADIM to GND | VADIM | -0.3 | | 7 | V | | 3 |
| Operating Junction Temperature | TJ | -40 | | 150 | °C | | 3 |
| Storage Temperature | TSTG | -65 | | 150 | °C | | 3 |
| Lead Temperature (Soldering, 10s) | TLEAD | | | 300 | °C | Soldering, 10s | 3 |
| Power Dissipation | PD | | | 0.65 | W | TA = +50°C | 3 |
| ESD (Human Body Model) | | | | 2000 | V | | 3 |
| ESD (Charged-Device Model) | | | | 1000 | V | | 3 |
| VCC_TH Startup Threshold Voltage | VCC_TH | 15.8 | 18.5 | 19.5 | V | | 4 |
| Minimal Operating Voltage After Turn On | VOPR_MIN | 5.8 | 7.8 | 9 | V | | 4 |
| VCC OVP Voltage | VCC_OVP | 21.8 | 25 | 29.5 | V | | 4 |
| Shunt Current in OVP Mode | ICC_OVP | 3.1 | | | mA | VCC > VCC_OVP | 4 |
| Startup Current | IST | | 120 | 300 | µA | VCC = VCC_TH -0.5V, Before Start Up | 4 |
| Operating Current @ 4KHz | ICC | | 1 | 2 | mA | VCC=20V, VDIM=3V, VFB=VCS=VCOMP=1V, COUT=1nF | 4 |
| Output Clamp Voltage | VOUT_CLAMP | 9.8 | 12 | 15.5 | V | VCC = 20V | 4 |
| Minimum On Time | tON_MIN | | 1000 | 2010 | ns | | 4 |
| Maximum Off Time | tOFF_MAX | | 290 | 405 | µs | | 4 |
| Internal Reference Voltage | VREF | 0.394 | 0.4 | 0.406 | V | | 4 |
| FB CV Threshold | VFB_CV | 2.86 | 3 | 3.26 | V | | 4 |
| Analog Dimming Range on ADIM | | 0.05 | | 2.5 | V | | 4 |
| Analog Dimming High Level | | 2.45 | 2.5 | 2.55 | V | | 4 |
| Analog Dimming Range Ratio | | 5 | | 100 | % | | 4 |
| Reference Current for Direct Connection of NTC/PWM | IOTP(REF) | 70.5 | 85 | 91 | µA | | 5 |
| OTP Blanking Time when Circuit Starts Operating | tOTP(START) | 250 | | 370 | µs | | 5 |
| NTC/PWM Pin Voltage at which Thermal Foldback Starts | VTF(START) | 0.94 | 1 | 1.06 | V | | 5 |
| NTC/PWM Pin Voltage at which Thermal Foldback Stops | VTF(STOP) | 0.64 | 0.69 | 0.74 | V | | 5 |
| VREF @ VNTC/PWM = 600mV (Percent of VREF) | VREF(50) | 40 | 50 | 60 | % | VNTC/PWM = 600mV | 5 |
| Overheating Temperature Regulation | TREG | | 150 | | °C | | 5 |
| Shutdown Temperature | | | 180 | | °C | | 5 |
| Thermal Resistance (Junction to Ambient) | ϴJA | | 136 | | °C/W | | 3 |
| Thermal Resistance (Junction to Case) | ϴJC | | 30 | | °C/W | | 3 |
| Output Voltage Rise Time | tR | | 100 | | ns | CL = 1nF | 4 |
| Output Voltage Fall Time | tF | | 100 | | ns | CL = 1nF | 4 |
| Maximum On Time | tON_MAX | | 15 | | µs | | 4 |
| Maximum Frequency | fMAX | | 150 | | kHz | | 4 |
| Primary Current Clamp Voltage | VCS_CLAMP | | 2 | | V | | 4 |
| Primary Overcurrent Voltage | VCS_OCP | | 3 | | V | | 4 |
| Trans-Conductance | Gm | | 27 | | µA/V | | 4 |
| Amplifier Source Current | ISOURCE | | 7.2 | | µA | | 4 |
| Pullup Voltage when NTC/PWM Open | VNTC/PWM(PULL-UP) | | 2.5 | | V | NTC/PWM Pin Open | 5 |
| Fault Detection Level for OTP | VOTP(OFF) | | 0.5 | | V | VNTC/PWM Falling | 5 |
| NTC/PWM Pin Level for Operation Recovery after an OTP Detection | VOTP(ON) | | 0.7 | | V | VNTC/PWM Rising | 5 |
## CAD (KiCad official)
- Symbol: `AL1665S-13`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `al1665s-13-etched.step` / `al1665s-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `al1665s-13.step` / `al1665s-13.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/AL1665S-13.pdf) (17 pp, sha256 `131bf42924dda993`, retrieved 2026-11-02, tier: manufacturer)
- **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](docs/al1665s-13-datasheet.pdf)