參數(shù)資料
型號: LM2577NADJ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PDIP24
封裝: 0.300 INCH, PLASTIC, DIP-16
文件頁數(shù): 31/31頁
文件大小: 1406K
代理商: LM2577NADJ
Electrical Characteristics—LM1577-ADJ, LM2577-ADJ (Continued)
Note 8: Junction to ambient thermal resistance with approximately 1 square inch of pc board copper surrounding the leads. Additional copper area will lower thermal
resistance further. See thermal model in “Switchers Made Simple” software.
Note 9: If the TO-263 package is used, the thermal resistance can be reduced by increasing the PC board copper area thermally connected to the package. Using
0.5 square inches of copper area,
θJA is 50C/W; with 1 square inch of copper area, θJA is 37C/W; and with 1.6 or more square inches of copper area, θJA is 32C/W.
Typical Performance Characteristics
Reference Voltage
vs Temperature
Reference Voltage
vs Temperature
01146834
01146835
Reference Voltage
vs Temperature
Reference Voltage
vs Supply Voltage
01146836
01146837
Reference Voltage
vs Supply Voltage
Reference Voltage
vs Supply Voltage
01146838
01146839
LM1577/LM2577
www.national.com
9
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PDF描述
LM2577S-15/NOPB 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PSSO5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2577N-ADJ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
LM2577N-ADJ/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
LM2577S-12 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
LM2577S-12/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
LM2577S-12/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter IC