Datasheet Details
Part number:
NCP1729
Manufacturer:
ON
File Size:
175.95 KB
Description:
Switched capacitor voltage inverter.
Datasheet Details
Part number:
NCP1729
Manufacturer:
ON
File Size:
175.95 KB
Description:
Switched capacitor voltage inverter.
The NCP1729 charge pump converter inverts the voltage applied to the Vin pin.
Conversion consists of a two *phase operation (Figure 15).
During the first phase, switches S2 and S4 are open and S1 and S3 are closed.
During this time, C1 charges to the voltage on Vin and load current is supplie
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
NCP1729 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
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