Buck LED driver IC drives high-power LEDs from an 8 V to 80 V supply range. The device supports average output current up to 1.5 A with an integrated high-side switch and hysteretic current regulation. Hybrid dimming reaches down to 0.5 percent of the target current, with analog dimming, dim-to-off, and digital soft-start functions. Protection features include cycle-by-cycle current limitation, under-voltage lockout, and thermal protection in a PG-DSO-8 package.
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| Product type | DC-DC LED driver IC |
| Converter topology | Buck |
| Supply voltage range | 8 to 80V |
| Maximum output current | 1500mA |
| Dimming method | Hybrid dimming |
| Hybrid dimming minimum | 0.5% |
| Analog dimming range | 100 to 12.5% |
| Maximum duty cycle | 99% |
| Maximum switching frequency | 2MHz |
| Output current accuracy | 3 typical% |
| Efficiency | More than 95% |
| Qualification | Industrial |
| Package | PG-DSO-8 |
| Moisture sensitivity level | 3 |
| Moisture packing | Dry |
| RoHS | Compliant |
| Lead-free | Yes |
| Halogen Free | Yes |
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These are design resources that include the Infineon ILD8150E
Design guide for the Infineon ILD8150 80V high-side buck LED driver featuring hybrid dimming, 1.5A output current, and 97% efficiency for general lighting applications.
