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LP2950 bảng dữ liệu(PDF) 17 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LP2950
Giải thích chi tiết về linh kiện  Series of Adjustable Micropower Voltage Regulators
PDF  26 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP2950 bảng dữ liệu(HTML) 17 Page - National Semiconductor (TI)

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Typical Applications (Continued)
Low Drift Current Source
5 Volt Current Limiter
00854608
00854610
*Minimum input-output voltage ranges from 40mV to 400mV, depending on
load current. Current limit is typically 160mA.
Regulator with Early Warning and Auxiliary Output
Latch Off When Error Flag Occurs
00854611
j Early warning flag on low input voltage
j Main output latches off at lower input voltages
j Battery backup on auxiliary output
j Operation: Reg. #1’s Vout is programmed one diode drop above 5V. Its
error flag becomes active when Vin ≤ 5.7V. When Vin drops below 5.3V, the
error flag of Reg. #2 becomes active and via Q1 latches the main output off.
When Vin again exceeds 5.7V Reg. #1 is back in regulation and the early
warning signal rises, unlatching Reg. #2 via D3.
00854612
www.national.com
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