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WM8351 Datasheet(PDF) 29 Page - Wolfson Microelectronics plc

Part # WM8351
Description  Wolfson AudioPlus??Stereo CODEC with Power Management
PDF  330 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8351 Datasheet(HTML) 29 Page - Wolfson Microelectronics plc

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Production Data
WM8351
w
PD, April 2012, Rev 4.5
29
EFFICIENCY vs LOAD
DCDC2
40
50
60
70
80
90
100
0.001
0.01
0.1
1
LOAD (A)
VOUT = 5.0V
VIN = 3.1V
VIN = 3.7V
VIN = 4.2V
ACTIVE
Figure 5 DC-DC2 Efficiency Vs Load Current Vo=5V
9.2.2
OUTPUT VOLTAGE REGULATION
Figure 6 DC-DC1 Output Voltage Vs Output Current
Figure 7 DC-DC1 Output Voltage Vs Input Voltage
O UT PUT VO LT AG E
vs
INPUT VO LT AG E
1.810
1.815
1.820
1.825
1.830
1.835
2.7
3.2
3.7
4.2
4.7
5.2
VI (V)
Vo= 1.8V
Io = 0.5A
OU TP U T V O L T AG E
vs
L O AD CU RR E N T
1.780
1.785
1.790
1.795
1.800
0.0
0 .1
0.2
0 .3
0 .4
0 .5
IO (A)
Vo= 1.8V
Vi = 3.7V



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