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LPA2162 датащи(PDF) 5 Page - Lowpower Semiconductor inc

номер детали LPA2162
подробное описание детали  Integrated PWM/PFM boost convertor
PDF  11 Pages
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производитель  POWER [Lowpower Semiconductor inc]
домашняя страница  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LPA2162 датащи(HTML) 5 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LPA2162
LPA2162–00
May.-2013
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 5 of 11
f=1KHz
-78
crosstalk
CS
VDD=7V,VORMS
=1V,GV=20dB
f=1KHz
-95
dB
Signal-to-noise ratio
SNR
VDD=7V,VORMS
=1V,GV=20dB
f=1KHz
80
dB
Output noise
VN
VDD=7.0V,INPUT
ac-grounded with
CIN=0.47uF
A-weighing
100
1
μV
No
A-weighing
150
Dynamic range
DYN
VDD=7.0V,THD=1
%
f=1KHz
90
dB
Eifficency
η
RL=8Ω,THD=10% f=1KHz
85
%
RL=4Ω,THD=10% f=1KHz
82
IQ
Quiescen
t current
VDD=7.5V
No load
16
80
mA
VDD=7V
11
75
VDD=5.0V
8
70
Electrical Characteristics For Step Up Convertor
(Vin=3.6V,Vout=5V,Cin=100uF,Cout=22uF//100uF,L1=4.7uH)
Parameter
Conditions
Boost of LPA2162
Units
Min
Typ
Max
Supply Voltage
2.7
5.5
V
Output Voltage Range
3
7.5
V
Supply Current(Shutdown)
VEN=VOUT=0V,VSW=5V
5
uA
Supply Current
VFB=0.7V
150
uA
Feedback Voltage
1.2
1.25
1.3
V
Feedback Input Current
VFB=1.2V
50
nA
Switching Frequency
FREQ=VCC
500
KHz
Maximum Duty Cycle
85
90
%
EN Input Low Voltage
0.4
V
EN Input High Voltage
1.4
V
EXT pin driver current
1
A



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