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LM21212-2 データシート(PDF) 8 Page - Texas Instruments

部品番号 LM21212-2
部品情報  12A High Efficiency Synchronous Buck Regulator with Adjustable Switching Frequency
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

LM21212-2 データシート(HTML) 8 Page - Texas Instruments

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VPGOOD (5V/Div)
IL (10A/Div)
VOUT (1V/Div)
VOUT (500 mV/Div)
VPGOOD (5V/Div)
VTRACK (500 mV/Div)
IOUT (10A/Div)
VOUT (500 mV/Div)
VPGOOD (5V/Div)
VENABLE (5V/Div)
VOUT (500 mV/Div)
VPGOOD (5V/Div)
VENABLE (5V/Div)
IOUT (10A/Div)
LM21212-2
SNVS715A – MARCH 2011 – REVISED MARCH 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified: VVIN = 5V, VOUT = 1.2V, L= 0.56µH (1.8mΩ RDCR), CSS = 33nF, fSW = 500 kHz (RADJ= 95.3kΩ), TA
= 25°C for efficiency curves, loop gain plots and waveforms, and TJ = 25°C for all others.
Startup with Prebiased Output
Startup with SS/TRK Open Circuit
200 µs/DIV
2 ms/DIV
Figure 19.
Figure 20.
Startup with applied Track Signal
Output Over-Current Condition
200 ms/DIV
10 µs/DIV
Figure 21.
Figure 22.
8
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Product Folder Links: LM21212-2


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