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AS3517H-ECTP Datasheet(PDF) 38 Page - ams AG

Part # AS3517H-ECTP
Description  Stereo Audio Codec with enhanced System Power Management
PDF  94 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3517H-ECTP Datasheet(HTML) 38 Page - ams AG

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AS3517 V17
Data Sheet, Confidential
© 2003-2007, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Parameter
Table 28 DCDC Buck Typical Performance Parameter
Symbol
Parameter
Min
Typ
Max
Unit
Notes
VIN
Input voltage
3.0
5.5
V
BVDD
VOUT
Regulated output voltage
0.65
3.4
V
VOUT_tol
Output voltage tolerance
-50
50
mV
250
mA
DCDC 1&2
ILOAD
Maximum Load current
500
mA
DCDC 3
450
mA
DCDC 1&2
ILIMIT
Current limit
800
mA
DCDC 3
0.5
0.7
Ω
BVDD=3.0V; DCDC 1&2
RPSW
P-Switch ON resistance
0.34
0.7
Ω
BVDD=3.0V; DCDC 3
0.5
0.7
Ω
BVDD=3.0V; DCDC 1&2
RNSW
N-Switch ON resistance
0.37
0.7
Ω
BVDD=3.0V; DCDC 3
fSW
Switching frequency
1.2
MHz
fSWsc
Switching frequency
0.6
MHz
in shortcut case
Cout
Output capacitor
10
μF
Ceramic, +/- 10% tolerance
Lx
Inductor
3.3
4.7
μH
+/- 10% tolerance
ηeff
Efficiency
97
%
Iout=100mA, Vout=3.0V
IVDD
Current consumption
220
100
0.1
μA
Operating current without load
Low power mode current
Shutdown current
tMIN_ON
Minimum on time
80
ns
tMIN_OFF
Minimum off time
40
ns
2
mV
Static
VLineReg
Line regulation
10
mV
Transient; Slope: tr=10μs,
100mV step, 200mA load
5
mV
Static
VLoadReg
Load regulation
50
mV
Transient; Slope: tr=10μs,
100mA step
BVDD=3.6V; Tamb=25ºC; unless otherwise specified
Figure 23 DCDC Step-down Performance Characteristics
Revision 1v3
37
- 93



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