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DA9062 Datasheet(PDF) 16 Page - Dialog Semiconductor

Part # DA9062
Description  Entry level PMIC for applications requiring up to 8.5 A
PDF  93 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9062 Datasheet(HTML) 16 Page - Dialog Semiconductor

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DA9062
Entry level PMIC for applications requiring up to 8.5 A
Datasheet
Revision 3.2
18-Feb-2015
16 of 93
© 2016 Dialog Semiconductor
4.5
Buck converters
4.5.1
Buck1, Buck2
Unless otherwise noted, the following is valid for TA = -40 to +85 ºC.
Table 11: Buck1, Buck2 electrical characteristics
Parameter
Symbol
Test conditions
Min
Typ
Max
Unit
Input voltage
VDD
2.8
5.5
V
Output capacitor
COUT
Half-current mode
including voltage and
temperature coefficient
-50%
2 * 22
+30%
µF
Full-current mode
including voltage and
temperature coefficient
-50%
2 * 47
+30%
Output capacitor ESR
RCOUT_ESR
COUT = 2 * 22 µF
f > 100 kHz
including wiring parasitics
15
50
m
COUT = 2 * 47 µF
f > 100 kHz
including wiring parasitics
7.5
25
Inductor value
LBUCK
Half-current mode
including current and
temperature dependence
0.6
1.0
1.3
µH
Full-current mode
including current and
temperature dependence
0.5
1.0
1.3
Inductor resistance
RL_DCR
Half-current mode
80
120
m
Full-current mode
60
100
Output voltage
VBUCK
Programmable in 10 mV steps
0.7
1.57
V
Output voltage accuracy
VBUCK_ACC
VDD = 4.2 V, VBUCK = 1.03 V
excluding static line/load
regulation and voltage ripple
-1%
+1%
Including static line/load
regulation and voltage ripple
Note 1
-3%
+3%
Transient load regulation
VTR_LOAD
VDD = 3.6 V, VBUCK = 1.15 V
IOUT = 200 to 1000 mA
dI/dt = 3 A/µs
L = 1 µH
30
45
mV
Transient line regulation
VTR_LINE
VDD = 3.0 to 3.6 V
IOUT = 500 mA
tR = tF = 10 µs
0.2
3
mV
Output current
IOUT
Half-current mode
L > 0.6 µH
900
mA
Half-current mode
L > 0.9 µH
1250
Full-current mode
L > 0.9 µH
2500



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