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DA9053 Datasheet(PDF) 40 Page - Renesas Technology Corp

Part # DA9053
Description  Flexible High-Power System PMIC with 1.8 A Switching USB Power Manager
PDF  185 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA9053 Datasheet(HTML) 40 Page - Renesas Technology Corp

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DA9053
Flexible High-Power System PMIC with 1.8 A
Switching USB Power Manager
Datasheet
Revision 2.1
31-Aug-2016
CFR0011-120-00
40 of 183
© 2016 Dialog Semiconductor
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
On resistance nMOS
RnMOS
incl. pin and routing
0.3
Ω
PFM mode
Typical mode switching
current
50
mA
Output current
IOUT
90
mA
Current limit
ILIM
-20 %
200
+30 %
mA
Quiescent current in
PFM mode
IQPFM
IOUT = 0
25
45
µA
Frequency of operation
0
5
MHz
Efficiency
η
IOUT = 10 mA to
90 mA
VDD < 4.2 V
80
%
Mode transition time
16
18
µs
VMEM_SW switch
RON
VBMEM=1.8 V
Vdrop=200 mV
0.65
Ω
VMEM_SW switch
Turn on time
VBMEM=1.8 V
Cload=10 µF max
200
400
µs
VMEM_SW switch
Rpull-down
VBMEM=1.8 V
Vout=100 mV
200
Ω
Note 1
Must be in the range of VDDOUT +/- 0.3 V.
Note 2
Programmable in 25 mV increments with micro voltage ramp step size of 6.25 mV/us while slewing.
Note 3
Minimum tolerance is +/-35 mV.
Note 4
BUCKMEM requires > 1 V between VDD and VBMEM. This ratio depends on LDCR and routing
impedances.
Note 5
Quiescent current measurement in open loop synchronous mode. In closed loop configuration,
switching losses at Iload = 0 will also increase IQON.
5.13.4
BUCKPERI
Table 29: BUCKPERI Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input voltage
VDD
2.8
Note 1
5.0
Note 1
V
Output capacitor
COUT
-30 %
20
+30 %
µF
Output capacitor ESR
f > 100 kHz
all caps + track
impedance
25
50
m
Ω
Inductor value
LBUCK
-30 %
2.2
+30 %
µH
Inductor resistance
LDCR
100
150
m
Ω
Output voltage
VBPERI
0.95
Note 2
2.525
V
Output voltage accuracy
incl. static line / load
-3
Note 3
+3
%



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