AS3729 Datasheet, PDF (1/19 Pages) ams AG – 5A Power Stage

General Description
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.
Ordering Information and Content Guide appear at end of
datasheet.
Figure 1:
Added Value of Using AS3729
Key Benefits & Features
The benefits and features of AS3729, 5A Power Stage are listed
below:
Benefits
Support for single or dual phase operation
2 x 2.5A output stages are running on 3MHz
Over-temperature protection
Cost effective, small package
Features
• 2 phases with separate control input
• Separate power NMOS & PMOS for 2.5A per phase
• Separate coil current feedback per phase
• Stand-alone zero-crossing operation
• Integrated temperature monitoring
• 16-pin WL-CSP: 1.615mm x 1.615mm, 0.4mm pitch
Applications
The device is a high current dual-phase DCDC and ideal for:
• Mobile phones
• Tablets
• Notebooks
ams Datasheet
[v1-24] 2015-Aug-13
Page 1
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