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參數(shù)資料
| 型號： | LM2591HVS-3.3 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator |
| 中文描述： | 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封裝： | TO-263, 5 PIN |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 730K |
| 代理商： | LM2591HVS-3.3 |
All Output Voltage Versions
Electrical Characteristics
(Continued)
Note 11:
Junction to ambient thermal resistance (no external heat sink) for the package mounted TO-220 package mounted vertically, with the leads soldered to
a printed circuit board with (1 oz.) copper area of approximately 1 in
.
Note 12:
Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 0.5 in
2
of (1 oz.) copper area.
Note 13:
Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 2.5 in
2
of (1 oz.) copper area.
Note 14:
Junction to ambient thermal resistance with the TO-263 package tab soldered to a double sided printed circuit board with 3 in
2
of (1 oz.) copper area on
the LM2591HVS side of the board, and approximately 16 in
of copper on the other side of the p-c board. See application hints in this data sheet and the thermal
model in
Switchers Made Simple
available at http://power.national.com.
Typical Performance Characteristics
(Circuit of
Figure 1
)
Normalized
Output Voltage
Line Regulation
10129302
10129303
Efficiency
Switch Saturation
Voltage
10129304
10129305
L
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4
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PDF描述 |
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| LM2591HVS-ADJ | SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator |
| LM2591HVT-ADJ | SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator |
| LM2591HVT-3.3 | SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator |
| LM2591HVS-5.0 | SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2591HVS-5.0 | 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 |
| LM2591HVS-5.0/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 PWR CONVERTER 150KHz 1A ST-DOWN VLTG REG 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 |
| LM2591HVS-5.0/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu |
| LM2591HVS-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 |
| LM2591HVS-ADJ/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 PWR CONVERTER 150KHz 1A ST-DOWN VLTG REG 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 |
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