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A4406
Constant On-Time Buck Regulator with External and Internal Linear Regulator
FEATURES AND BENEFITS
• AEC-Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range (50 V maximum);
for start/stop, cold crank, and load dump requirements • 2.2 MHz constant on-time buck regulator • 50 V absolute maximum input voltage for surges • Valley current sensing achieves shortest buck on-times • 5.5 to 46 V input voltage range • −40°C to 150°C junction temperature range • Power-on reset (NPOR pin) with adjustable rising delay • 5 V (V5P pin) internal low dropout tracking
linear regulator with both overcurrent foldback and short-to-battery protection • 3.
A4406 Datasheet
