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DA9021 датащи(PDF) 32 Page - Dialog Semiconductor

номер детали DA9021
подробное описание детали  System PMIC with high efficiency USB power manager
PDF  142 Pages
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производитель  DIALOG [Dialog Semiconductor]
домашняя страница  http://www.dialog-semiconductor.com/
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DA9021 датащи(HTML) 32 Page - Dialog Semiconductor

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DA9021/22
System PMIC with high efficiency USB power manager
Datasheet
Revision 2.5
17-Feb-2017
CFR0011-120-00 Rev 5
32 of 142
© 2017 Dialog Semiconductor
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
On resistance
pMOS
RpMOS
incl. pin and routing
0.5
Ω
On resistance
nMOS
RnMOS
incl. pin and routing
0.3
Ω
PFM mode
Output voltage
VBCORE
IOUT < 70 mA
0.5
Note 5
2.075
V
Typical mode
switching current
40
mA
Output current
IOUT
70
mA
Current limit
ILIM
-20 %
150
+30 %
mA
Quiescent current
in PFM mode
IQPFM
IOUT = 0 mA
25
35
µA
Frequency of
operation
0
5
MHz
Efficiency
η
IOUT = 10 mA to 70 mA
80
%
Mode transition
time
16
18
µs
Note 1
Programmable in 25 mV increments with micro voltage ramp step size of 6.25 mV/µs while slewing
Note 2
Minimum tolerance is +/-30 mV
Note 3
VDD > 3.0 V, using Coilcraft LPS3015-222ML
Note 4
The current limits will be automatically doubled when BUCKCORE is merged with BUCKPRO
Note 5
Max. VDD – 1.0 V
8.8.2
BUCKPRO
Table 21: BUCKPRO (DA9021 only)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input voltage
VDD
VDDOUT -
0.3 V
2.8 V min
VDDOUT +
0.3 V
5 V max
V
Output capacitor
COUT
-30 %
20
+30 %
µF
Output capacitor
ESR
f > 100 kHz all caps +
track impedance
25
50
mΩ
Inductor value
LBUCK
-30 %
2.2 to
4.7
+30 %
µH
Inductor resistance
RESR
100
150
mΩ
Output voltage
VBPRO
IOUT = IMAX
0.725
Note 1
2.075
V
Output voltage
accuracy
incl. static line / load
regulation
-3
Note 1
+3
%
Output voltage
ripple
IOUT = IMAX
5
mV
Load regulation
transient
VTRLOAD
IOUT = 0 mA to 500 mA
step,
dI/dt = 50 mA/µs
15
30
mV



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