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A8447

Allegro MicroSystems
Part Number A8447
Manufacturer Allegro MicroSystems
Description High Voltage Step Down Regulator
Published May 2, 2007
Detailed Description A8447 High Voltage Step Down Regulator Features and Benefits ▪ ▪ ▪ ▪ ▪ ▪ ▪ Wide input voltage range: 8 to 50 V Integrate...
Datasheet PDF File A8447 PDF File

A8447
A8447

Overview
A8447 High Voltage Step Down Regulator Features and Benefits ▪ ▪ ▪ ▪ ▪ ▪ ▪ Wide input voltage range: 8 to 50 V Integrated low RDS(on) DMOS switch 3 A continuous output current Adjustable fixed off-time Highly efficient Adjustable output: 0.
8 to 24 V Small package with exposed thermal pad Description The A8447 is a 3 A, high efficiency general-purpose buck regulator designed for a wide variety of applications.
The output voltage is adjustable from 0.
8 to 24 V, based on a resistor divider and the 0.
8 V ± 3 % reference.
External components include an external clamping diode, inductor, and filter capacitor.
The offtime is determined by an external resistor to ground.
It operates in both continu...


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