A4406
Constant On-Time Buck Regulator With One External and One Internal Linear Regulator
Features and Benefits
• AEC-Q...
A4406
Constant On-Time Buck Regulator With One External and One 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 −40ºC to 150ºC 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 3.3 V (V33 pin) external linear regulator DMOS driver with a programmable current limit (up to 500 mA) and Continued on the next page…
Package: 20-pin TSSOP with exposed thermal pad (suffix LP)
Not to scale
Description
The A4406 is an automotive power ma...
