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XC6401 Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC6401 Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 24 page 1/24 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 50mV 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 ● Mobile Phones ● Cordless phones and radio communication equipment ● Portable games ● Cameras, Video recorders ● Portable Audio Equipment ● PDAs ■ TYPICAL APPLICATION CIRCUITS ■ 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 (50mV 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 Temperature Range : -40℃ ~ +85℃ Low ESR Capacitor Compatible : Ceramic capacitor Low Output Noise Ultra Small Packages : SOT-26W,USP-6B,USP-6C ■ TYPICAL PERFORMANCE CHARACTERISTICS VIN VSS VOUT1 VOUT2 EN1 EN2 CIN 1uF CL2 1uF CL1 1uF 6 VOUT2 VOUT1 VSS EN2 VIN EN1 5 4 1 2 3 CIN 1uF CL1 1uF CL2 1uF ● Interactive Load Transient Response ● SOT-26W ● USP-6 ETR0309_005 |
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