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The CAT4109 is a 3-channel constant-current LED driver requiring no inductor. LED channel currents up to 175mA are programmed independently via separate external resistors. Low output voltage operation of 0.4V at 175mA allows for more power efficient designs across wider supply voltage range. The three LED pins are compatible with high voltage up to 25V supporting applications with long strings of LEDs. Three independent control inputs PWM1 PWM2 PWM3 control respectivelly LED1 LED2 LED3 channels. The device also includes an output enable (OE) control pin to disable all three channels independently of the PWMx input states. Thermal shutdown protection is incorporated in the device to disable the LED outputs whenever the die temperature exceeds 150C. The device is available in a 16-lead SOIC package.
| number_of_outputs | 3 |
| rohs_status | Compliant |
| reach_svhc_compliance | No SVHC |
| lead_free_status | Lead Free |
| halogen_free_status | Halogen Free |
| mounting_style | Surface Mount |
| packaging | Cut Tape (CT) |
| lifecycle_status | Active |
| output_current | 175 mA |
| pin_count | 16 |
| topology | Linear |
| Device Topology | Constant Current |
| No. of Outputs | 3Outputs |
| Output Current | 175mA |
| Output Voltage | - |
| Driver Case Style | SOIC |
| No. of Pins | 16Pins |
| Input Voltage Min | 3V |
| Input Voltage Max | 5.5V |
| Switching Frequency | - |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 150°C |
| Packaging | Each |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (07-Jul-2017) |
| Dimming Control Type | PWM |
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