AS3728 datasheet(2/19 Pages) AMSOSRAM

2 / 19 page

ams Datasheet

Page 1

[v1-03] 2015-Aug-31

Document Feedback

AS3728

8A Power Stage

The AS3728 is a companion power stage, intended to be used

with AS372x products.

It cannot be used without a DCDC controller. It contains the

power FETs for 2 phases and is capable to handle output

currents up of 4A per phase.

Ordering Information and Content Guide appear at end of

datasheet.

Key Benefits & Features

The benefits and features of AS3728, 8A Power Stage are listed

below:

Figure 1:

Added Value of Using AS3728

Applications

The device is a high current dual-phase DCDC and ideal for:

• Mobile phones

• Tablets

• Notebooks

Benefits

Features

• Support for single or dual phase operation

• 2 phases with separate control input

• 2 x 4A output stages are running on 1.3MHz

• Separate power low-side NMOS & high-side NMOS for

4A per phase

• Separate coil current feedback per phase

• Stand-alone zero-crossing operation

• Over – temperature protection

• Integrated temperature monitoring

• Cost effective, small package

• WL-CSP24 with 0.4mm pitch

General Description

AS3728 Scheda tecnica(PDF) 2 Page - ams-OSRAM AG