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LM26 bảng dữ liệu(PDF) 12 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM26
Giải thích chi tiết về linh kiện  400mA Sub-Miniature Adjustable DC-DC Converter Optimized for RF Power Amplifiers
PDF  16 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM26 bảng dữ liệu(HTML) 12 Page - National Semiconductor (TI)

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Device Information (Continued)
SOFT-START
The LM2614 has soft start to reduce current inrush during
power-up and startup. This reduces stress on the LM2614
and external components. It also reduces startup transients
on the power source. Soft start is implemented by ramping
up the reference input to the error amplifier of the LM2614 to
gradually increase the output voltage.
THERMAL SHUTDOWN PROTECTION
The LM2614 has a thermal shutdown protection function to
protect itself from short-term misuse and overload condi-
tions. When the junction temperature exceeds 150˚C the
device turns off the output stage and when the temperature
drops below 130˚C it initiates a soft start cycle. Prolonged
operation in thermal shutdown conditions may damage the
device and is considered bad practice.
VCON Transient Response
(Circuit in Figure 4)
20036719
FIGURE 8.
VCON Transient Response in Dropout
(Circuit in Figure 4)
20036720
FIGURE 9.
Load Transient Response
(Circuit in Figure 3)
20036727
FIGURE 10.
Line Transient Response
(Circuit in Figure 3)
20036728
FIGURE 11.
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