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LM2767,pdf,datasheet (Switched
消耗积分:3 |
格式:rar |
大小:322 |
2009-09-08
王伟
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The LM2767 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of +1.8V to +5.5V. Two low cost capacitors and a diode are used in this circuit to provide at least 15 mA of output current.
The LM2767 operates at 11 kHz switching frequency to avoid audio voice-band interference. With an operating current of only 40 µA (operating efficiency greater than 90% with most loads), the LM2767 provides ideal performance for battery powered systems. The device is manufactured in a SOT23-5 package.
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