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XC6401 Series
Dual LDO Regulators, Low ESR Cap. Compatible
GENERAL DESCRIPTION
The XC6401 series are highly accurate, Dual, low noise, CMOS LDO voltage regulators. Performance features of the series
includes low output noise, high ripple rejection ratio, low dropout and very fast turn-on times.
The XC6401 includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase
compensators internally. The XC6401’s current limiters' foldback circuit also operates as a short protect for the output current
limiter. The output voltage for each regulator is set independently by laser trimming. Voltages are selectable in 0.05V steps
within a range of 0.8V to 5.0V. The XC6401 series is also fully compatible with low ESR ceramic capacitors, reducing cost
and improving output stability.
This high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response
performance and high PSRR achieved across a broad range of frequencies. The EN function allows the output of each
regulator to be turned off independently, resulting in greatly reduced power consumption. The XC6401 series is available in
the SOT-26W or USP-6B, USP-6C ‘chip-scale’ package.
APPLICATIONS
Smat phones / Mobile phones
Portable games
Digital still cameras / camcorders
Digital audio equipment
Mobile devices / terminals
FEATURES
Maximum Output Current : More than 150mA (300mA limit)
Dropout Voltage : 100mV @100mA
Operating Voltage Range : 1.5V ~ 6.0V
Output Voltage Range : 0.8V~5.0V (0.05V increments)
Highly Accurate : ±2% (VOUT>1.5V)
: ±30mV (VOUT≦1.5V)
Low Power Consumption : 25μA (TYP.)
Standby Current : Less than 0.1μA (TYP.)
High Ripple Rejection : 70dB @1kHz
Operating Ambient Temperature : -40℃ ~ +85℃
Low ESR Capacitor Compatible : Ceramic capacitor
Low Output Noise
Packages : SOT-26W, USP-6B, USP-6C
Environmentally Friendly : EU RoHS Compliant, Pb Free
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