參數(shù)資料
型號: AS3543-ECTP
廠商: ams
文件頁數(shù): 30/92頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO FRONT END 68CTBGA
標(biāo)準(zhǔn)包裝: 4,000
類型: 音頻編解碼器
應(yīng)用: 便攜式音頻,電話
安裝類型: 表面貼裝
封裝/外殼: 68-TFBGA
供應(yīng)商設(shè)備封裝: 68-CTBGA(6x6)
包裝: 帶卷 (TR)
www.austriamicrosystems.com
Revision 1.11
35 - 91
AS3543 3v2
Data Sheet - D e t a i l e d D e s c r i p t i o n - P o w e r M a n a g e m e n t F u n c t i o n s
9.2.3
Parameter
BVDD=3.6, TA= 25
o
C, unless otherwise mentioned
Figure 24. DCDC Step-down Performance Characteristics
Table 22. DCDC Parameter
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VIN
Input voltage
BVDD
2.7
5.5
V
VOUT
Regulated output voltage
0.65
3.4
V
VOUT_tol
Output voltage tolerance
minimum +/- 50mV
-3%
3%
mV
Iload
Maximum Load current
250
mA
ILIMIT
Current limit
450
mA
RPSW
P-Switch ON resistance
BVDD=3.0V
0.5
0.7
RNSW
N-Switch ON resistance
BVDD=3.0V
0.5
0.7
fSW
Switching frequency
depending on DCDC_Cntr settings
1/2
MHz
fSWsc
Switching frequency
in shortcut case
0.6
MHz
Cout
Output capacitor
Ceramic, +/- 10% tolerance
10
F
Lx
Inductor
+/- 10% tolerance
2.2
4.7
H
ηeff
Efficiency
Iout=100mA, Vout=3.0V
97
%
IVDD
Current consumption
Operating current without load
Low power mode current
Shutdown current
220
100
0.1
A
tMIN_ON
Minimum on time
80
ns
tMIN_OFF
Minimum off time
40
ns
VLineReg
Line regulation
Static
2
mV
Transient; Slope: tr=10s, 100mV step,
200mA load
10
VLoadReg
Load regulation
Static
5
mV
Transient; Slope: tr=10s,
100mA step
50
Efficiency vs. Output Current
70
75
80
85
90
95
100
0,1
1
10
100
1000
OUTPUT CURRENT [mA]
E
F
IC
IE
N
C
Y
[%
]
VIN=3.6V
VOUT=3.0V
VOUT=1.8V
VOUT=1.2V
ams
AG
Technical
content
still
valid
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