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AS3715 Datasheet(PDF) 24 Page - ams-OSRAM AG

Part # AS3715
Description  Dual or Single Power Path PMIC
PDF  159 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3715 Datasheet(HTML) 24 Page - ams-OSRAM AG

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ams Datasheet
Page 23
[v1-03] 2015-Aug-10
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AS3715 − Detailed Description – Power Management Functions
Parameter
Figure 19:
DC/DC Buck Controller Parameter
DC/DC Buck Controller Parameter: Shows the key electrical parameter of the DC/DC buck controller.
Figure 20:
DC/DC Buck Controller External Components
DC/DC Buck Controller External Components: Shows the external component parameter of the DC/DC buck
controller.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIN
Input voltage
Pin VSUP_SDx
2.5
5.5
V
VOUT
Regulated output voltage
0.61
1.5
V
VOUT_tol
Output voltage tolerance
min. ±20mV
-2
2
%
IVDD
Current consumption
Dual phase without load
136
uA
fSW
Switching frequency
fclk_int = 4MHz
2.7
3
MHz
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
External Components 6A or 8A
AS3729(B)
# power stages
1
COUT_SD4
Output capacitor
Ceramic X5R or X7R, high performance
40
47
μF
Ceramic X5R or X7R, cost optimized
20
22
μF
CVSUP_SD4
Input capacitor
Ceramic X5R or X7R
6
10
μF
LSD4
Inductor
4A rated, 3MHz operation, low Ron
0.3
0.47
μH
External Components 8A (HV)
AS3728
# power stages
1
COUT_SD4
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_SD4
HV Input Capacitor
Ceramic X5R or X7R / 25V
10
22
μF
CBOOT_SD4
Boost Capacitor
Ceramic X5R or X7R / 6.3V
100
nF
C5VVSUP_SD4
5V Supply Capacitor
Ceramic X5R or X7R / 6.3V
1
μF
LSDx_SD4
Inductor
5A rated, 1MHz operation, low RON
0.5
1
μH



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