전자부품 데이터시트 검색엔진 |
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LM2660 데이터시트(PDF) 10 Page - National Semiconductor (TI) |
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LM2660 데이터시트(HTML) 10 Page - National Semiconductor (TI) |
10 / 12 page Other Applications (Continued) REGULATING V out It is possible to regulate the output of the LM2660/LM2661 by use of a low dropout regulator (such as LP2951). The whole con- verter is depicted in Figure 8. This converter can give a regulated output from −1.5V to −5.5V by choosing the proper resistor ratio: where, Vref = 1.235V The error flag on pin 5 of the LP2951 goes low when the regulated output at pin 4 drops by about 5%. The LP2951 can be shut- down by taking pin 3 high. Also, as shown in Figure 9 by operating LM2660/LM2661 in voltage doubling mode and adding a linear regulator (such as LP2981) at the output, we can get +5V output from an input as low as +3V. DS012911-27 FIGURE 8. Combining LM2660/LM2661 with LP2951 to Make a Negative Adjustable Regulator DS012911-28 FIGURE 9. Generating +5V from +3V Input Voltage www.national.com 10 |
유사한 부품 번호 - LM2660 |
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유사한 설명 - LM2660 |
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