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AS3722 数据表(PDF) 44 Page - ams AG

部件名 AS3722
功能描述  Multi-Phase DCDC Controller PMIC
PDF  198 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3722 数据表(HTML) 44 Page - ams AG

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Page 44
ams Datasheet
Document Feedback
[v1-01] 2015-Sep-07
AS3722 − Detailed Descriptions- Power Management Functions
LDO Parameter: Shows the key electrical parameter of the linear regulators
Note(s) and/or Footnote(s):
1. Guaranteed by design and verified by laboratory evaluation and characterization; not production tested
Figure 43:
LDO External Components
LDO External Components: Shows the external component parameter of the linear regulators
LDO3 SW; VSUP>=3.3V,
VOUT=1.0V0-11
250
mΩ
PSRR
Power supply
rejection ratio
f=1kHz
60
dB
f=100kHz
30
IOFF
Shut down current
100
nA
IVDD
Supply current
without load
30
43
μA
tSTART
Startup time
low current used during
start-up
500
μs
VLineReg
Line regulation
Static
0.07
%/V
Transient; Slope: tr=15μs;
delta 1V
20
mV
VLoadReg
Load regulation
Static
0.014
%/m
A
Transient; Slope: tr=15μs;
1mA->300mA
30
mV
RDIS
discharge resistance
LDO1-11 off; Vout=1V
720
Ω
LDO0 off; Vout=1V
360
Ω
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
COUT_LDO0
Output capacitor
Ceramic X5R or X7R
1
μF
COUT_LDO1-11
Output capacitor
Ceramic X5R or X7R
0.7
μF
CVIN_LDO0-11
Input capacitor
Ceramic X5R or X7R
1
μF
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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