Charge Pump, Switched Capacitor Voltage Inverter with Shutdown, 50 mA, 12 kHz

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The MAX1720 is a CMOS charge pump voltage inverter that is designed for operation over an input voltage range of 1.15 V to 5.5 V with an output current capability in excess of 50 mA. The operating current consumption is only 67 ?A, and a power saving shutdown input is provided to further reduce the current to a mere 0.4 ?A. The device contains a 12 kHz oscillator that drives four low resistance MOSFET switches, yielding a low output resistance of 26 ? and a voltage conversion efficiency of 99%. This device requires only two external 10?F capacitors for a complete inverter making it an ideal solution fornumerous battery powered and board level applications.

  • LCD Panel Bias
  • Cellular Telephones
  • Pagers
  • Personal Digital Assistants
  • Electronic Games
  • Digital Cameras
  • Camcorders
  • Hand Held Instruments
  • Operating Voltage Range of 1.15 V to 5.5 V
  • Output Current Capability in Excess of 50 mA
  • Low Current Consumption of 67 µA
  • Power Saving Shutdown Input for a Reduced Current of 0.4 µA
  • Operation at 12 kHz
  • Low Output Resistance of 26 W

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MAX1720EUTG

Last Shipments

Pb

A

H

P

TSOP-6

1

260

REEL

3000

N

1.15 to 5.5

-Vin or 2Vin

90

90

12

Yes

Price N/A

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MAX1720EUT

Obsolete

Pb

A

H

P

TSOP-6

1

235

REEL

3000

N

1.15 to 5.5

-Vin or 2Vin

50

90

12

Yes

Price N/A

More Details

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