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XC9801B50253KR Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC9801B50253KR Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 12 page 1/12 XC9801/XC9802 Series Regulated Voltage Step-Up Charge Pump ICs ■ 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 used as a voltage doubler. As well as the ultra small MSOP-8A and USP-8 packages, the small consumption current and high efficiencies of the series make the XC9801 suitable for use with all types of battery operated applications. ■APPLICATIONS ●Palm top computers, PDAs ●On board local power supplies ●Various battery powered devices ■TYPICAL APPLICATION CIRCUIT ■FEATURES Input Voltage Range : 1.8V ~ 5.5V Output Voltage Range : 2.5V ~ 6.0V Small Input Current : 80 μA (no load:XC9802) Output Current : 80mA (3.6V →5.0V step-up) Oscillation Frequency : 300kHz Stand-by Current (CE ’L’) : 2.0 μA (MAX.) PFM Operation During Light Loads (XC9802) CE (Chip Enable) Function Can be used as a step-up doubler (sense = 0V) Packages : MSOP-8A, USP-8 Environmentally Friendly : EU RoHS Compliant, Pb Free ■TYPICAL PERFORMANCE CHARACTERISTICS Regulation Output ETR0802_003a |
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