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WM8352 数据表(PDF) 21 Page - Wolfson Microelectronics plc

部件名 WM8352
功能描述  Wolfson AudioPlus™ Stereo CODEC with Power Management
PDF  336 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8352 数据表(HTML) 21 Page - Wolfson Microelectronics plc

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Production Data
WM8352
w
PD, February 2011, Rev 4.4
21
7.4
LDO REGULATOR ELECTRICAL CHARACTERISTICS
Test Conditions
VIN = 3.7, VOUT = 1.8V, TA = +25ºC unless otherwise noted.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LDO1 to LDO4 (WM8352 in ACTIVE State)
Input Voltage
VIN
After start-up
1.6
3.7
5.5
V
Output voltage
VOUTn
0.9
3.3
V
Regulation Accuracy
+/-3.3
%
Dropout Voltage
100mA, VIN < 1.8V
200
mV
100mA, VIN < 2.7V
700
Load current
100
150
mA
Quiescent Current
27
1% of load
μA
Leakage Current
<2.5
μA
Power Supply Rejection Ratio
PSRR
1kHz, VOUT =1.8V,
25mA load
-50
dB
100Hz
ON Resistance in switch mode
RON
LDOn_SWI = 1
2
3.5
Ω
LDO1 (WM8352 in OFF State)
Output Voltage
VOUT1
0.95 ×
VOUT1 in
ACTIVE
V



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