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DA9131 Scheda tecnica(PDF) 13 Page - Dialog Semiconductor

Il numero della parte DA9131
Spiegazioni elettronici  High-Performance, Dual-Channel DC-DC Converter for Mobile and Portable Applications
PDF  56 Pages
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Produttore elettronici  DIALOG [Dialog Semiconductor]
Homepage  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9131 Scheda tecnica(HTML) 13 Page - Dialog Semiconductor

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DA9131
High-Performance, Dual-Channel DC-DC Converter for
Mobile and Portable Applications
Datasheet
Revision 2.0
11-Aug-2021
CFR0011-120-00
13 of 56
© 2021 Dialog Semiconductor
Parameter
Description
Conditions
Min
Typ
Max
Unit
fSW
Switching frequency
4
MHz
tON_MIN
Minimum turn-on pulse
0 % duty is also supported
5
7
11
ns
tBUCK_EN
Turn-on time
CHx_EN = high
20
μs
RPD
Output pull-down resistance
at the LX node, see
CHx_PD_DIS
VIN = 3.7 V
VOUT = 0.5 V
145
150
161
Ω
RON_PMOS
On resistance of switching
PMOS
VIN = 3.7 V
17
25
37
mΩ
RON_NMOS
On resistance of switching
NMOS
VIN = 3.7 V
6
10
16
mΩ
PWM Mode
IQ_PWM
Quiescent current
VIN = 3.7 V
No load
16
mA
ηPWM
Efficiency
VIN = 3.6 V
VOUT = 1 V
IOUT = 10 % (IMAX) to 80 %
(IMAX)
85
%
AUTO Mode
VOUT_TR_LD
Load transient response
VOUT = 1 V
IOUT = 0 to 5 A at 25 °C
ambient
dl/dt = 10
A/μs
-40
80
mV
PFM Mode
IQ_PFM
Quiescent current in PFM
1-phase
VIN = 3.7 V
No load
No switching
88
μA
ηPFM
Efficiency
VIN = 3.6 V
VOUT = 1 V
IOUT = 10 mA
80
%
Note 1
tON > 40 ns
Note 2
For short durations to meet peak current requirements, IOUT can be operated at up to 10 % higher than
the specified maximum operating condition. The part should not be operated in this mode for extended
periods and is not guaranteed for continuous operation.



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