Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

DA9021 Datasheet(PDF) 31 Page - Dialog Semiconductor

Part # DA9021
Description  System PMIC with high efficiency USB power manager
PDF  142 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9021 Datasheet(HTML) 31 Page - Dialog Semiconductor

Back Button DA9021 Datasheet HTML 27Page - Dialog Semiconductor DA9021 Datasheet HTML 28Page - Dialog Semiconductor DA9021 Datasheet HTML 29Page - Dialog Semiconductor DA9021 Datasheet HTML 30Page - Dialog Semiconductor DA9021 Datasheet HTML 31Page - Dialog Semiconductor DA9021 Datasheet HTML 32Page - Dialog Semiconductor DA9021 Datasheet HTML 33Page - Dialog Semiconductor DA9021 Datasheet HTML 34Page - Dialog Semiconductor DA9021 Datasheet HTML 35Page - Dialog Semiconductor Next Button
Zoom Inzoom in Zoom Outzoom out
 31 / 142 page
background image
DA9021/22
System PMIC with high efficiency USB power manager
Datasheet
Revision 2.5
17-Feb-2017
CFR0011-120-00 Rev 5
31 of 142
© 2017 Dialog Semiconductor
8.8
DC/DC buck converters
8.8.1
BUCKCORE
Table 20: BUCKCORE
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
VBCORE
IOUT = IMAX
0.725
Note 1
2.075
V
Output voltage
accuracy
incl. static line / load
regulation
-3
Note 2
+3
%
Output voltage
ripple
IOUT = IMAX
5
mV
Load regulation
transient
VTRLOAD
IOUT = 0 mA / 500 mA,
dI/dt = 50 mA/µs
15
35
mV
Line regulation
transient
VTRLINE
VDD = 3.0 V to 3.6 V
IOUT = 500 mA
tr=tf=10 µs
3
8
mV
Output current
IMAX
During DVC transitions
Between DVC
transitions
700
800
Note 3
mA
Current limit
(programmable)
ILIM
Note 4
BUCKCORE_ILIM=00
-20 %
700
20 %
mA
BUCKCORE_ILIM=01
-20 %
800
20 %
mA
BUCKCORE_ILIM=10
-20 %
1000
20 %
mA
BUCKCORE_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
95
%
Turn on time
TON
2.2
ms
Output pull down
resistor
@ VOUT = 0.5 V, can be
switched off via
CORE_PD_DIS
200
Ω
Efficiency
η
IOUT = 30 mA to IMAX
VDD < 4.2 V
85
%



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com