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DA9021 Datasheet(PDF) 36 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) 36 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
36 of 142
© 2017 Dialog Semiconductor
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Load regulation
transient
VTRLOAD
IOUT = 0 mA and
300 mA step,
dI/dt = 30 mA/µs
20
40
mV
Line regulation
transient
VTRLINE
VDD = 3.0 V to 3.6 V
IOUT = 300 mA
tr = tf = 10 µs
5
10
mV
Output current
IMAX
During DVC transitions
Between DVC
transitions < 2.075 V
650
750
Note 3
mA
Current limit
(programmable)
ILIM
BUCKMEM_ILIM=00
-20 %
700
20 %
mA
BUCKMEM_ILIM=01
-20 %
800
20 %
mA
BUCKMEM_ILIM=10
-20 %
1000
20 %
mA
BUCKMEM_ILIM=11
-20 %
1200
20 %
mA
Quiescent current in
OFF mode
IQOFF
1
µA
Quiescent current in
synchronous
rectification mode
IQON
2.2
mA
Switching frequency
f
2
MHz
Switching duty cycle
10
90
%
Turn on time
TON
2.2
ms
Output pull down
resistor
@ VOUT = 0.5 V, can be
switched off via
MEM_PD_DIS
250
Ω
Efficiency
η
IOUT=30 mA to IMAX
VDD < 4.2 V
85
%
On resistance pMOS
RpMOS
incl. pin and routing
0.5
Ω
On resistance nMOS
RnMOS
incl. pin and routing
0.3
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
20
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 +/- 35 mV
Note 3
VDD > 3.0 V, using Coilcraft LPS3015-222ML



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