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): 16/19頁
文件大?。?/td> 1807K
代理商: AS1344-BTDT
www.austriamicrosystems.com
Revision 1.05
16 - 19
AS1344
Datasheet - Application Information
Diode Selection
A Schottky diode must be used to carry the output current into the Cout and load during the NMOS switch-off time.
Note:
Do not use ordinary rectifier diodes, since the slow recovery times will compromise efficiency.
The MBR0520 is a good choice because of the very low forward voltage and the extremely fast switching. If the output
voltage exceeds 20V the use of the PMEG4005 or the MBR0540 (40V Schottky diodes) is recommended. These
diodes are designed to handle an average forward current of 500mA. In applications with higher loads, the PMEG4010
or the MBRM140 should be used, due to the rated average forward current of 1A.
Table 8. Recommended Diodes
Part Number
MBR0540
MBR0520
PMEG4005
PMEG4010
Reverse Voltage
40V
20V
40V
40V
Forward Current
0.5A
0.5A
0.5A
1A
Package
SOD123
SOD123
SOD123
SOD123
Manufacturer
MCC
Philips
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