XC9801/XC9802 Series Regulated Voltage Step-Up Charge Pump ICs ETR08004-007b ■ GENERAL DESCRIPTION The XC9801 series are fixed regulated voltage step-up charge pump ICs which provide stable, highly efficient, positive voltages with the only external components required being 2 capacitors.
Since regulating is done via the control of the charge pump's gate voltage waveform, ripple is minimal.
Output voltage is selectable in 100mV steps within a 2.
5V ~ 6.
0V range.
Control of the XC9802 switches to PFM (pulse skip) during light loads without affecting output impedance or ripple so that the IC is protected against drops in efficiency.
Connecting the SENSE pin to the GND pin allows the IC to be ...

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