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AS3722 Datasheet(PDF) 38 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) 38 Page - ams-OSRAM AG

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ams Datasheet
Page 37
[v1-01] 2015-Sep-07
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AS3722 − Detailed Descriptions- Power Management Functions
Figure 30:
DC/DC Buck Controller External Components
DC/DC Buck Controller External Components: Shows the external component parameter of the DC/DC buck
controllers
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
External Components 6A
AS3729
# power stages
1
CFB
Output capacitor
Ceramic X5R or X7R, high
performance
40
47
μF
Ceramic X5R or X7R, cost
optimized
20
22
μF
CVSUP_SDx
Input capacitor
Ceramic X5R or X7R
6
10
μF
LSDx
Inductor
4A rated, 3MHz operation,
low Ron
0.3
0.47
μH
External Components 8A (HV)
AS3728
# power stages
1
CFB
Output Capacitor
Ceramic X5R or X7R / 6.3V
high performance
64
82
μF
Ceramic X5R or X7R / 6.3V
cost optimized
32
47
μF
CHVSUP
HV Input Capacitor
Ceramic X5R or X7R / 25V
10
22
μF
CBOOST
Boost Capacitor
Ceramic X5R or X7R / 6.3V
100
nF
C5VSUP
5V Supply Capacitor
Ceramic X5R or X7R / 6.3V
1
μF
LInductor
5A rated, 1MHz operation,
low RON
0.5
1
μH



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