ams Datasheet

Page 1

[v1-24] 2015-Aug-13

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AS3729

5A Power Stage

The AS3729 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 of 2.5A per phase.

datasheet.

Key Benefits & Features

The benefits and features of AS3729, 5A Power Stage are listed

below:

Figure 1:

Added Value of Using AS3729

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 2.5A output stages are running on 3MHz

• Separate power NMOS & PMOS for 2.5A per phase

• Separate coil current feedback per phase

• Stand-alone zero-crossing operation

Over-temperature protection

• Integrated temperature monitoring

Cost effective, small package

• 16-pin WL-CSP: 1.615mm x 1.615mm, 0.4mm pitch

General Description