Part Number
|
A4407 |
Manufacturer
|
Allegro Micro Systems |
Description
|
2.2 MHz Constant On-Time Buck Regulator |
Published
|
Aug 26, 2017 |
Detailed Description
|
A4407
2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators
Features and Benefit...
|
Datasheet
|
A4407
|
Overview
A4407
2.
2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators
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 • Constant on-time (COT) buck pre-regulator • Valley current sensing achieves shortest buck on-times • 2.
2 MHz (VIN - adjusted) switching frequency • 5 V internal low-dropout tracking linear regulator with
foldback short circuit and short-to-battery protections • 5 V internal low-dropout linear regulator with foldback
short circuit protection • 3.
3 V external FET controller/driver with p...
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