參數(shù)資料
型號: LM2599-ADJMWC
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
封裝: WAFER
文件頁數(shù): 19/36頁
文件大?。?/td> 897K
代理商: LM2599-ADJMWC
Application Information (Continued)
This reduction in start up current is useful in situations where
the input power source is limited in the amount of current it
can deliver. In some applications Soft-start can be used to
replace undervoltage lockout or delayed startup functions.
If a very slow output voltage ramp is desired, the Soft-start
capacitor can be made much larger. Many seconds or even
minutes are possible.
If only the shutdown feature is needed, the Soft-start capaci-
tor can be eliminated.
DS012582-40
FIGURE 24. Output Voltage, Input Current,
at Start-Up, WITH Soft-start
DS012582-41
FIGURE 25. Output Voltage, Input Current,
at Start-Up, WITHOUT Soft-start
DS012582-42
FIGURE 26. Typical Circuit Using Shutdown /Soft-start and Error Flag Features
LM2599
www.national.com
26
相關PDF資料
PDF描述
LM2599-3.3MWC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
LM2621MDC 2.85 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, UUC
LM2622-ADJMWC 2.3 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, UUC
LM2630MTC-ADJ/NOPB SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20
LM2630MTC-ADJX SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20
相關代理商/技術參數(shù)
參數(shù)描述
LM2599S-12 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2599S-12/NOPB 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2599S-3.3 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2599S-3.3/NOPB 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2599S-5.0 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT