wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 20

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8351
Test Conditions
T
DC-DC3 and DC-DC4
Input Voltage
Output Voltage
VOUT Accuracy
Line Regulation
Load Regulation
Quiescent Current
Shutdown current
P-channel On
Resistance
N-channel On
Resistance
P-channel
leakage current
N-channel
leakage current
Switching
Frequency
w
A
PARAMETER
= +25ºC unless otherwise noted.
I
V
SYMBOL
V
Q STANDBY
I
I
Q ACTIVE
OUT LOAD
Q SLEEP
OUT LINE
V
V
R
R
I
I
f
V
I
LXP
LXN
SW
OUT
OUT
DSN
SD
DSP
IN
V
V
/ 3.4V
V
5.5V
V
I
I
I
Active ( excluding switching losses)
Standby (excluding switching losses)
Sleep
V
V
V
V
OUT
OUT
OUT
IN
OUT
IN
OUT
IN
IN
IN
IN
= 3.7V
= 2.7V to
= 3.7V, I
= 3.7V, I
= 3.7V, L(n) = GND
= 3.7V, L(n) = 3.7V
= 1mA to 500mA
= 0A to 0.05A
= 0A to 0.010A
= 0.85V / 1.8V
= 1.8V
L(n)
L(n)
= 100mA
= 100mA
CONDITIONS
I
I
(100mA lim)
I
OUT
OUT
OUT
= 0.25A
= 0.025A
= 0.005A
I
0.5A
I
0.005A
OUT
OUT
=
=
Active
Sleep
Active
Standby
Sleep
Active
Standby
Sleep
0.85
MIN
2.7
+/- 0.18
+/- 3.0
+/- 0.4
+/- 0.4
+/- 0.5
+/- 0.2
+/- 0.3
2.048
+4.5
0.01
0.29
0.02
-1.5
TYP
318
120
3.7
0.2
1.4
25
+/- 0.5
+/- 0.5
PD, June 2009, Rev 4.1
MAX
5.5
3.4
UNITS
Production Data
MHz
μA
μA
μA
μA
%
%
%
Ω
Ω
V
V
20