The IS32LT3967B is a dual-channel switching LED driver controller featuring a wide input voltage range and support for multiple topologies including buck, boost, buck-boost, and SEPIC. It is designed for automotive applications such as high beam/low beam headlights and daytime running lights. Each channel can be independently controlled with PWM for dimming and includes protection against over-voltage, output short-circuits, and thermal overload. It incorporates spread spectrum technology and frequency synchronization to minimize EMI signatures.
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| Input Voltage Range | 4.5 to 60V |
| Output Channels | 2Unit |
| Switching Frequency | 100 to 1000kHz |
| Standard Operating Temperature | -40 to +125°C |
| Gate Drive Voltage | 7.5V |
| PWM Dimming Range | 1000:1Ratio |
| Automotive | AEC-Q100 Grade 1 |
| RoHS | Compliant |
