wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 19
wm8352
Manufacturer Part Number
wm8352
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8352.pdf
(335 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
wm8352GEB
Manufacturer:
WOLFSON
Quantity:
20 000
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- Download datasheet (3Mb)
Production Data
7.3
Test Conditions
T
DC-DC1 and DC-DC6
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.
DC-DC STEP DOWN CONVERTER ELECTRICAL CHARACTERISTICS
SYMBOL
I
V
V
Q STANDBY
I
I
Q ACTIVE
OUT LOAD
OUT LINE
QSLEEP
V
V
R
R
I
I
f
V
I
LXP
LXN
SW
OUT
OUT
DSN
SD
DSP
IN
5.5V
Active (excluding switching losses)
Standby (excluding switching losses)
Sleep
V
V
/ 3.4V
V
V
I
I
I
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
= 0.001A to 1A
= 0A to 0.1A
= 0A to 0.01A
= 0.85V / 1.8V
= 1.8V
L(n)
L(n)
= 100mA
= 100mA
CONDITIONS
I
I
I
OUT
OUT
OUT
= 0.5A
= 0.1A
= 0.005A
I
0.5A
I
0.005A
OUT
OUT
=
=
Sleep
Active
Standby
Sleep
Active
Standby
Sleep
Active
0.85
MIN
2.7
+/- 3.0
+/- 0.5
+/- 0.4
+/- 0.2
+/- 0.2
+/- 0.3
0.167
2.048
TYP
+4.5
0.25
0.01
0.09
0.01
-1.5
265
115
3.7
2.8
+/-
25
+/- 0.5
+/- 0.5
MAX
5.5
3.4
PD, June 2009, Rev 4.1
UNITS
MHz
μA
μA
μA
μA
%
%
%
Ω
Ω
WM8352
V
V
19
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