The IS32LT3958A is a current mode PWM controller designed to drive a low side external NMOS FET for wide input/output voltage range and high LED current applications. It supports boost, buck-boost, SEPIC, and buck topologies. The device features a high-side sense resistor architecture for flexible current sensing and includes an integrated PWM generator for standalone dual brightness output. It is designed for automotive and high-performance lighting applications with extensive protection features including under-voltage lockout, over-voltage protection, and thermal shutdown.
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| Input Voltage Range | 5 to 70V |
| PWM Dimming Frequency | 100 to 1000Hz |
| PWM Duty Cycle | 5 to 100% |
| Feedback Voltage Reference | 200mV |
| Switching Frequency | Adjustable (up to 1000)kHz |
| Operating Temperature | -40 to +125°C |
| Aec-q100 | Qualified |
| RoHS | Compliant |
