wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 21
wm8351
Manufacturer Part Number
wm8351
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8351.pdf
(328 pages)
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Production Data
7.4
Test Conditions
V
w
IN
LDO1 to LDO4 (WM8351 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 (WM8351 in OFF State)
Output Voltage
Input Voltage
= 3.7, V
LDO REGULATOR ELECTRICAL CHARACTERISTICS
PARAMETER
OUT
= 1.8V, T
A
= +25ºC unless otherwise noted.
SYMBOL
VOUTn
VOUT1
PSRR
R
VIN
ON
TEST CONDITIONS
100mA, V
1kHz, V
100mA, V
LDOn_SWI = 1
After start-up
25mA load
100Hz
OUT
IN
IN
=1.8V,
< 1.8V
<2.7V
MIN
0.9
1.6
27
VOUT1 in
ACTIVE
+/-3.3%
0.95 ×
<2.5
TYP
200
700
100
-50
3.7
2
1% of load
PD, June 2009, Rev 4.1
MAX
150
3.3
3.5
5.5
WM8351
UNIT
mV
mA
μA
μA
dB
%
Ω
V
V
V
21
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