參數(shù)資料
型號： AS1344-BTDT
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： DC/DC變換器
英文描述： 42V DCDC for OLED; Package Type: TDFN(3x3)-10
封裝： TDFN(3x3)-10
文件頁數(shù)： 15/19頁
文件大?。?/td> 1807K
代理商： AS1344-BTDT
www.austriamicrosystems.com
Revision 1.05
15 - 19
AS1344
Datasheet - Application Information
Capacitor Selection
A 10μF capacitor is recommended for C
IN
as well as a 4.7μF for C
OUT
. Small-sized X5R or X7R ceramic capacitors
should be used as they retain capacitance over wide ranges of voltages and temperatures.
Output Capacitor Selection
Low ESR capacitors should be used to minimize V
OUT
ripple. Multi-layer ceramic capacitors are recommended since
they have extremely low ESR and are available in small footprints. A 4.7 to 10μF output capacitor is sufficient for most
applications. Larger values up to 22μF may be used to obtain extremely low output voltage ripple and improve tran-
sient response. The rated voltage of the capacitor should not be lower than the output voltage.
Input Capacitor Selection
Low ESR input capacitors reduce input switching noise and reduce the peak current drawn from the battery. Ceramic
capacitors are recommended for input decoupling and should be located as close to the device as is practical. A 10μF
input capacitor is sufficient for most applications. Larger values may be used for a better stabilization of the supply volt-
age.
Table 6. Recommended Output Capacitors
Part Number
GRM32DR71H335KA88B
GRM32ER71H475KA88
GRM31CR61E106KA12
C3225X5R1H335K
C3216X5R1E475K
C3225X5R1E106K
C
TC Code
X7R
X7R
X5R
X5R
X5R
X5R
Rated Voltage
50V
50V
25V
50V
25V
25V
Dimensions (L/W/T)
1210
1210
1206
1210
1206
1210
Manufacturer
Murata
3.3μF
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