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AS3722 Datasheet(PDF) 33 Page - ams-OSRAM AG

Part # AS3722
Description  Multi-Phase DCDC Controller PMIC
PDF  199 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3722 Datasheet(HTML) 33 Page - ams-OSRAM AG

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Page 32
ams Datasheet
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[v1-01] 2015-Sep-07
AS3722 − Detailed Descriptions- Power Management Functions
The Step-Down controller SD0 is a multi-phase controller which
can use up to 4 power stages (8 phases) with a maximum output
current of 20Arms. The output current is easily scalable by
varying the number of phases and power-stages from 2.5Arms
to 20Arms.
Figure 26:
SD0 DC/DC Buck Controller 16A Block Diagram
SD0 DC/DC Buck Controller: Shows basic connection of the SD0 controller to two external power stages
(AS3729B) for 16A output current.
TEMP
CTRL1
CTRL2
LX2
LX1
PVSS
0.47uH
0.47uH
FB_SDx
Vout (0.4-1.5V@16A)
DVM, 10mV steps
47uF
VSUP
10uF
47uF
AS3729B
SD
controller
TEMP 1_SDx
CTRL1_SDx
CTRL2_SDx
FB_SDx
VSUP
10uF
TEMP
CTRL1
CTRL2
LX 2
LX1
PVSS
PVSS
0.47uH
0.47uH
47uF
VSUP
10uF
47uF
AS3729B
VSUP
10uF
TEMP 2_SDx
CTRL3_SDx
CTRL4_SDx
PVSS
TEMP 3_SDx
CTRL5_SDx
CTRL6_SDx
TEMP 4_SDx
CTRL7_SDx
CTRL8_SDx



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