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NCP1729 - Switched Capacitor Voltage Inverter

Datasheet Summary

Description

applied to the Vin pin.

phase operation (Figure 15).

During the first phase, switches S2 and S4 are open and S1 and S3 are closed.

Features

  • Operating Voltage Range of 1.5 V to 5.5 V.
  • Output Current Capability in Excess of 50 mA.
  • Low Current Consumption of 122 mA.
  • Power Saving Shutdown Input for a Reduced Current of 0.4 mA.
  • Operation at 35 kHz.
  • Low Output Resistance of 26 W.
  • Space Saving TSOP.
  • 6 Package.
  • NCV Prefix for Automotive and Other.

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Datasheet Details

Part number NCP1729
Manufacturer ON
File Size 175.95 KB
Description Switched Capacitor Voltage Inverter
Datasheet download datasheet NCP1729 Datasheet
Additional preview pages of the NCP1729 datasheet.

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NCP1729 Switched Capacitor Voltage Inverter The NCP1729 is a CMOS charge pump voltage inverter that is designed for operation over an input voltage range of 1.5 V to 5.5 V with an output current capability in excess of 50 mA. The operating current consumption is only 122 mA, and a power saving shutdown input is provided to further reduce the current to a mere 0.4 mA. The device contains a 35 kHz oscillator that drives four low resistance MOSFET switches, yielding a low output resistance of 26 W and a voltage conversion efficiency of 99%. This device requires only two external 3.3 mF capacitors for a complete inverter making it an ideal solution for numerous battery powered and board level applications. The NCP1729 is available in the space saving TSOP−6 package.
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