component
CAT4104V-GT3
Public Made by Adomby adom
onsemi LED Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownCAT4104V-GT3
onsemi · LED Drivers · SOIC-8
CAT4104V-GT3 from onsemi, in a SOIC-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 | LED1 | output | LED1 cathode terminal provides a regulated LED sink current (up to 175 mA per channel), is rated up to 25 V with outputs off, and becomes high impedance in shutdown. |
| 2 | LED2 | output | LED2 cathode terminal provides a regulated LED sink current (up to 175 mA per channel), is rated up to 25 V with outputs off, and becomes high impedance in shutdown. |
| 3 | LED3 | output | LED3 cathode terminal provides a regulated LED sink current (up to 175 mA per channel), is rated up to 25 V with outputs off, and becomes high impedance in shutdown. |
| 4 | LED4 | output | LED4 cathode terminal provides a regulated LED sink current (up to 175 mA per channel), is rated up to 25 V with outputs off, and becomes high impedance in shutdown. |
| 5 | GND | power_in | Ground reference for the device, which must be connected to the PCB ground plane. |
| 6 | EN/PWM | input | Device enable and PWM dimming input with guaranteed logic high at 1.3 V and logic low at 0.4 V, where holding it low for 4 ms typical puts the device into zero-current shutdown. |
| 7 | VIN | power_in | Supply pin for the device, specified at 3.0 to 5.5 V, and all LED channels are disabled when the supply falls below the undervoltage threshold (2.0 V). |
| 8 | RSET | passive | LED current set pin connected to an external resistor to GND, regulated to 1.2 V, with LED channel current equal to 100 times the RSET current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOIC-8 |
| Category | LED 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 |
|---|---|---|---|---|---|---|---|
| LED Current Accuracy | ILED-ACC | -2 | 2 | % | I_LED vs I_LEDNOM | 2 | |
| LED Channel Matching | ILED-DEV | -5 | 1 | 5 | % | I_LED vs I_LEDAVG (Note 3) | 2 |
| RSET Pin Voltage | VRSET | 1.17 | 1.2 | 1.23 | V | 2 | |
| Quiescent Current | IQ | 0.6 | 6 | mA | No LED, RSET = Float / No LED, RSET = 770 Ω | 2 | |
| Shutdown Current | IQSHDN | 1 | A | VEN = 0 V | 2 | ||
| EN/PWM Logic High Level | VHI | 1.3 | V | 2 | |||
| EN/PWM Logic Low Level | VLO | 0.4 | V | 2 | |||
| EN/PWM low time | TLO | 1 | s | 3 | |||
| EN/PWM low time to shutdown delay | TPWRDWN | 4 | 8 | ms | 3 | ||
| Input voltage VIN | VIN | -0.3 | 6 | V | VIN, RSET, EN/PWM voltages | 2 | |
| RSET and EN/PWM voltages | -0.3 | 6 | V | VIN, RSET, EN/PWM voltages | 2 | ||
| LED1 to LED4 voltages | -0.3 | 25 | V | LED1, LED2, LED3, LED4 voltages | 2 | ||
| Storage Temperature Range | -65 | 160 | C | 2 | |||
| Junction Temperature Range | -40 | 150 | C | 2 | |||
| Lead Temperature | 300 | C | 2 | ||||
| Supply voltage VIN | VIN | 3 | 5.5 | V | 2 | ||
| LED pin voltage, outputs off | 25 | V | Voltage applied to LED1 to LED4, outputs off | 2 | |||
| LED pin voltage, outputs on | 6 | V | Voltage applied to LED1 to LED4, outputs on (Note 2) | 2 | |||
| Ambient Temperature Range | -40 | 85 | C | 2 | |||
| LED current per LED pin | ILED | 10 | 175 | mA | ILED per LED pin | 2 | |
| Dropout Voltage | VDOUT | 400 | mV | ILED = 175 mA | 2 | ||
| EN/PWM Internal pull-down resistance | REN/PWM | 200 | k | 2 | |||
| Thermal Shutdown | TSD | 150 | C | 2 | |||
| Thermal Hysteresis | THYS | 20 | C | 2 | |||
| RSET to LED Current gain ratio | ILED/IRSET | 100 | 25 mA LED current | 2 | |||
| Undervoltage lockout threshold | VUVLO | 2 | V | 2 | |||
| Turn-On time, EN/PWM rising to ILED from shutdown | TPS | 1.5 | s | ILED = 175 mA | 3 | ||
| Turn-On time, EN/PWM rising to ILED from shutdown | TPS | 1.3 | s | ILED = 80 mA | 3 | ||
| Turn-On time, EN/PWM rising to ILED | TP1 | 600 | ns | ILED = 175 mA | 3 | ||
| Turn-Off time, EN/PWM falling to ILED | TP2 | 400 | ns | ILED = 175 mA | 3 | ||
| Turn-Off time, EN/PWM falling to ILED | TP2 | 300 | ns | ILED = 80 mA | 3 | ||
| LED rise time | TR | 700 | ns | ILED = 175 mA | 3 | ||
| LED rise time | TR | 440 | ns | ILED = 80 mA | 3 | ||
| LED fall time | TF | 360 | ns | ILED = 175 mA | 3 | ||
| LED fall time | TF | 320 | ns | ILED = 80 mA | 3 | ||
| EN/PWM high time | THI | 5 | s | 3 | |||
| Thermal resistance junction to ambient, SOIC-8 | θJA | 160 | °C/W | Double-sided PCB with two square inches of copper for heat spreading | 10 |
CAD (KiCad official)
- Symbol:
CAT4104V-GT3 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
cat4104v-gt3-etched.step/cat4104v-gt3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cat4104v-gt3.step/cat4104v-gt3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (14 pp, sha256
ecf8ead93f20c320, retrieved 2026-10-16, tier: lcsc) - 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).