Page 12

ams Datasheet

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[v1-24] 2015-Aug-13

AS3729 − Application Information

Figure 18:

Typical Application Circuit

AS3729 Typical Application: This figure shows the connection of the DCDC controller and the AS3729 Power

Stage.

Figure 19:

Layout Guidelines

Layout Guidelines: This figure shows

the recommended layout and

placement of the external components

for the 2-phase AS3729 Power Stage

Application Information

VSUP

TEMP

CTRL1

CTRL2

LX2

LX1

PVSS

PVSS

0.47uH

0.47uH

FB_SDx

Vout (0.6-1.5V@6A)

DVM, 10mV steps

22uF

VSUP

10uF

10uF

22uF

AS3729

DCDC

0.6 – 1.5V

6A

3MHz

FB_SDx

CTRL2_SDx

CTRL1_SDx

TEMP_SDx

Vout

L1

CTRL1

TEMP

CTRL2

FB

GND

L2

AS3729

XXXX