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DA9021 Datasheet(PDF) 35 Page - Dialog Semiconductor

Part # DA9021
Description  System PMIC with high efficiency USB power manager
PDF  142 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9021 Datasheet(HTML) 35 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
35 of 142
© 2017 Dialog Semiconductor
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output pull down
resistor
@ VOUT = 0.5 V
200
Ω
Efficiency
η
IOUT < IMAX
VDD < 4.2 V
80
85
%
Efficiency
(half pass device)
Note 4
η2
IOUT=50 mA to 300 mA
VDD < 4.2 V
90
95
%
On resistance pMOS
RpMOS
incl. pin and routing
0.25
Ω
On resistance nMOS
RnMOS
incl. pin and routing
0.3
Ω
Bypass resistance
RBYPASS
at VDDPERI=3.6 V
1.0
Ω
PFM mode
Typical mode
switching current
40
mA
Output current
Imax
70
mA
Current limit
ILIM
-20 %
150
+30 %
mA
Quiescent current in
PFM mode
IQPFM
IOUT = 0
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 50 mV increments up to 3 V then in 100 mV increments, maximum output voltage is
less than VDD
Note 2
Minimum tolerance is +/- 35 mV
Note 3
VDD > 3.0 V using Coilcraft LPS3015-222ML
Note 4
See control BPERI_HS
8.8.4
BUCKMEM
Table 23: BUCKMEM
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 %
10
+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
VBMEM
IOUT = IMAX
0.95
Note 1
2.525
V
Output voltage
accuracy
incl. static line / load
regulation
-3
Note 2
+3
%
Output voltage ripple
IOUT = IMAX
10
mV



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