Charge Pumps
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Function : | Step Up, Step Down | Output Voltage : | 5 V to 11 V, 1.8 V to 11 V | ||
Output Current : | 20 mA | Maximum Operating Temperature : | + 85 C | ||
Package / Case : | SOT-23 | Packaging : | Reel |
The LM2681M6 is one member of the LM2681 family.The LM2681 CMOS charge-pump voltage converter peratesasavoltagedoublerforaninputvoltageintherangeof+2.5V to +5.5V. Two low cost capacitors and a diode(needed during start-up) is used in this circuit to provide up to 20mA of output current. The LM2681 can also work as a voltage divider to split a voltage in the range of +1.8V to+11V in half. The LM2681M6 could be used in:(1) Cellular Phonesn; (2) Pagersn ; (3)PDAs; (4)OperationalAmplifier Power Suppliersn ; (5)Interface Power Suppliersn ; (6)Handheld Instruments.
Features of the LM2681M6 are:(1) Doubles or Splits Input Supply Voltagen; (2) SOT23-6 Packagen ; (3)15 Typical Output Impedancen; (4) 90%Typical Conversion Efficiency at 20 mA.
The absolute maximum ratings of the LM2681M6 can be summarized as:(1)supply voltage:5.8 V;(2)V+ and OUT Continuous Output Current:30mA;(3)Output Short-Circuit Duration to GND:1 sec;(4)Continuous PowerDissipation (TA= 25):-0.5 to +20 V;(5)Operating Junction TemperatureRange: 40to 85;(6)Storage Temperature Range:65 to +150.If you want to know more information such as the electrical characteristics about the LM2681M6, please download the datasheet in www.seekic.com or www.chinaicmart.com.