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DA9053 Datasheet, PDF (39/183 Pages) Dialog Semiconductor – Flexible High-Power System PMIC with Switching USB Power Manager
DA9053
Flexible High-Power System PMIC with 1.8 A
Switching USB Power Manager
5.13.3 BUCKMEM
Table 28: BUCKMEM Characteristics
Parameter
Symbol
Conditions
Input voltage
VDD
Output capacitor
COUT
Output capacitor ESR
Inductor value
Inductor resistance
Output voltage
LBUCK
LDCR
VBMEM
Output voltage accuracy
Output voltage ripple
Load regulation transient VTRLOAD
Line regulation transient VTRLINE
Output current
IMAX
Current limit
(programmable)
ILIM
Quiescent current in OFF
mode
IQFF
Quiescent current in
synchronous rectification
mode
IQON
Switching frequency
f
Switching duty cycle
D
Turn on time
TON
Output pull down resistor
Efficiency
On resistance pMOS
η
RpMOS
f > 100 kHz
all caps + track
impedance
IOUT = IMAX
incl. static line / load
regulation
IOUT = IMAX
IOUT = 0 mA / 500 mA,
dI/dt = 30 mA/µs
VDD = 3.0 V.to.3.6 V
IOUT = 500 mA
tr=tf=10 µs
BUCKMEM_ILIM=00
BUCKMEM_ILIM=01
BUCKMEM_ILIM=10
BUCKMEM_ILIM=11
open loop Note 5
@ VOUT = 0.5 V, can
be switched off via
MEM_PD_DIS
IOUT=30 mA to IMAX
VDD <4.2 V
incl. pin and routing
Min
2.8
Note 1
-30 %
-30 %
0.95
-3
1000
-20 %
-20 %
-20 %
-20 %
10
Typ
20
25
2.2
100
Note 2
Note 3
10
20
5
Note 4
800
1000
1200
1500
2.5
2
85
0.33
Max
5.0
Note 1
+30 %
50
+30 %
150
2.525
+3
40
10
20 %
20 %
20 %
20 %
1
90
2.2
200
0.46
Unit
V
µF
mΩ
µH
mΩ
V
%
mV
mV
mV
mA
mA
mA
mA
mA
µA
mA
MHz
%
ms
Ω
%
Ω
Datasheet
CFR0011-120-00
Revision 2.1
39 of 183
31-Aug-2016
© 2016 Dialog Semiconductor