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LM2591 数据表(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM2591
功能描述  SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
Download  20 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM2591 数据表(HTML) 4 Page - National Semiconductor (TI)

  LM2591 Datasheet HTML 1Page - National Semiconductor (TI) LM2591 Datasheet HTML 2Page - National Semiconductor (TI) LM2591 Datasheet HTML 3Page - National Semiconductor (TI) LM2591 Datasheet HTML 4Page - National Semiconductor (TI) LM2591 Datasheet HTML 5Page - National Semiconductor (TI) LM2591 Datasheet HTML 6Page - National Semiconductor (TI) LM2591 Datasheet HTML 7Page - National Semiconductor (TI) LM2591 Datasheet HTML 8Page - National Semiconductor (TI) LM2591 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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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 in2.
Note 12: Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 0.5 in2 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 in2 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 in2 of (1 oz.) copper area on
the LM2591HVS side of the board, and approximately 16 in2 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
www.national.com
4


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