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A8440QUARTET4VSPSYSTEM, A8447, A8447R0F

Table of contents:
Info of A8440QUARTET4VSPSYSTEM
Info of A8447
Info of A8447R0F

A8440QUARTET4VSPSYSTEM, A8447, A8447R0F Selling Leads, Datasheet

MFG:CELESTICA Package Cooled:new pb free D/C:06+

A8440QUARTET4VSPSYSTEM, A8447, A8447R0F Picture

A8440QUARTET4VSPSYSTEM, A8447, A8447R0F Datasheet download

Five Points

Part Number: A8440QUARTET4VSPSYSTEM

MFG: CELESTICA

Package Cooled: new pb free

D/C: 06+

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A8447 General 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 continuous and discontinuous modes to maintain light load regulation. An internal blanking circuit is used to filter out transients due to the reverse recovery of the external clamp diode. Typical blanking time is 200 ns.

This new device is ideal for various end products including applications with 8 to 50 V input voltage range and require up to 3 A output current, such as uninterruptible power supplies, point of sale (POS) applications, and industrial applications with 24 or 36 V bus.

A8447 Maximum Ratings

Wide input voltage range: 8 to 50 V
Integrated low R_DS(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

Printer power supplies
Office automation equipment
POS thermal, laser, photo, and inkjet printers
Tape drives
Industrial applications

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