wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 21

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wm8350

Manufacturer Part Number
wm8350
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet

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Production Data
7.4
Test Conditions
V
w
IN
LDO1 to LDO4 (WM8350 in ACTIVE State)
Output voltage
Regulation Accuracy
Dropout Voltage
Load current
Quiescent Current
Leakage Current
Power Supply Rejection Ratio
ON Resistance in switch mode
LDO1 (WM8350 in OFF State)
Output Voltage
Input Voltage
= 3.7, V
LDO REGULATOR ELECTRICAL CHARACTERISTICS
OUT
PARAMETER
= 1.8V, T
A
= +25ºC unless otherwise noted.
SYMBOL
VOUTn
VOUT1
PSRR
R
VIN
ON
TEST CONDITIONS
100mA, V
100mA, V
1kHz, V
LDOn_SWI = 1
After start-up
25mA load
100Hz
OUT
IN
IN
=1.8V,
< 1.8V
< 2.7V
MIN
1.6
0.9
27
VOUT1 in
ACTIVE
0.95 ×
+/-3.3
TYP
<2.5
200
700
100
-50
3.7
2
1% of load
PD, June 2009, Rev 4.1
MAX
150
5.5
3.3
3.5
WM8350
UNIT
mV
mA
µA
µA
dB
%
V
V
V
21

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