wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 21

• Manufacturer Part Number: wm8352
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
7.4
Test Conditions
V
w
IN
LDO1 to LDO4 (WM8352 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 (WM8352 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
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
3.7
-50
2
1% of load
PD, June 2009, Rev 4.1
MAX
150
5.5
3.3
3.5
WM8352
UNIT
mV
mA
μA
μA
dB
%
Ω
V
V
V
21