A4410

A4410 Adjustable Frequency Buck or Buck/Boost Pre-Regulator with a Synchronous Buck, 3 Internal LDOs, Window Watchdog Timer, and NPOR FEATURES AND BENEFITS Automotive AEC-Q100 qualified 2.8 VIN to 36 VIN operating range, 40 VIN maximum Buck or buck/boost pre-regulator (VREG) Adjustable PWM switching frequency: 250 kHz – 2.4 MHz PWM frequency can be synchronized to external clock 1.25 V/750 mADC/1 APEAK synchronous buck (1V25) 3.3 V (3V3) and 5 V (V5) internal LDO regulators with fold back short circuit protections 5 V (V5P) internal tracking LDO regulator with fold back short circuit and short-to-battery protections TRACK sets either 3V3 or V5 as the reference for V5P Power-on reset with fixed delay of 15 ms for 1V25/3V3 UV and OV protection (NPOR) Programmable watchdog timer with a 30 ms activation delay Active low, watchdog timer enable/disable pin (WDENn) Dual band gaps for increased reliability: BGVREF, BGFAULT Co...